The square of a number added to 3 times the number is 28. Find the number.

Answers

Answer 1

Answer:

[tex]\sqrt{x}[/tex]+3x=28

that is the equation :)


Related Questions

give the answer
the areaaaaaa

Answers

Answer:

16

Step-by-step explanation:

The figure shown is a trapezoid

Area of a trapezoid = 1/2(bottom base length + top base length) × height

Bottom base length = 7 units

Top base length = 1 unit

Height = 4 units

So area = 1/2 ( 7 + 1 ) × 4

==> add 7 and 1

Area = 1/2 (8) × 4

==> multiply 1/2 and 8

Area = 4 × 4

==> multiply 4 and 4

Area = 16

Two trains leave a station going in opposite directions. The northbound train averages 87 miles per hour. The southbound train averages 113 miles per hour. How long will it take for the trains to be 600 miles apart?

Answers

Answer:

It takes 3 hours for the train to be 600 Miles apart

Simply the expression.
4 (2m -6) - 3p - 2m + 8

Answers

Let's solve the equation.

4 (2m -6) - 3p - 2m + 8

= 8m - 24 - 3p - 2m + 8 (We simplified 4 (2m -6))

= 6m - 16 - 3p (We added the 8 to the 24)

= 6m - 3p - 16 (We organized the variables together so it matches an answer.)

The answer is A!

Answer: hii

The answer; 6m - 3p -16

Step-by-step explanation:

How to solve your problem:

4 (2m -6) - 3p - 2m + 8

Simplify.

Distribute.

4 (2m -6) - 3p - 2m + 8

8m - 24 - 3p - 2m + 8

Add the numbers:

8m - 24 - 3p - 2m + 8

8m - 16 - 3p - 2m

Combine like terms:

8m - 16 - 3p - 2m

6m - 16 - 3p

Rearrange terms:

6m - 16 - 3p

6m - 3p - 16

Solution:

6m - 3p -16

Hopefully this helps you ~

- Matthew

Julia made 7 batches of cookies and ate 3 cookies. There were 74 cookies left. Which expression can be used to determine the average number of cookies per batch?
A=74/4
B=(74+7)/3
C=(74+3)/7
D=74/3*7

Answers

Answer:

C

Step-by-step explanation:

She ate 3, so originally 77 cookies. Divide that by 7 batches, which is the equivalent to C

Dilation is enlarging or shrinking a figure by using a scale factor.
Using a scale factor bigger than one, creates a
figure.
Using a scale factor between 0 and
creates a
figure.
Create your own
dilation examples or find 2 images of dilation examples. Be
sure the two examples are different by showing one getting larger and one
getting smaller.

Answers

Answer:

Step-by-step explanation:

scale factor bigger than one,  in math   greater than,  the figure is larger than the object being used    a figure smaller than 1 creates a figure smaller than the original  

Luckily you can just use your web browser to scale a screen up or down in it's scale.  try it.. top right  ellipse for go ogle chrome lets you scale over 100 per cent  or 1  and also under 100 per cent  or less than 1  remember   100 per cent = 1.00  

Somebody please help

Answers

Answer:

IM FROM THE FUTURE :3

Step-by-step explanation:

the answer is -6 8-

i think 3:

help pls due in 5 minutes

Answers

Answer:

D

Step-by-step explanation:

[tex]2(\frac{7\times 6}{2})+3(13.1\times 7)[/tex]

ANSWER IS D

LeAnn is playing a math game. She chooses three cards. The value of each of her cards is shown.


First card: -12

Second card: 3

Third card: -5


What is the sum of the values of LeAnn’s three cards?

Answers

Answer:

-14

Step-by-step explanation:

The sum (addition) of the three numbers would be -14 because -12+-5 is -17. Then, -17+3 would be -14.

One limitation of the Chi Square test (and all tests of hypothesis) is that they cannot tell us if relationships between variables are:_________ A. significant B. random C. by chance D. none of the above

Answers

The answer to the limitation of the Chi Square test (and all tests of hypothesis) about relationships between variables  is none of the above.

What is the limitation of the chi square test?

The Limitation of this type of test is in its sample size requirements, as there is a lot of difficulty of interpretation when samples are large.

Note that Chi Square test and all tests of hypothesis can tell us if relationships between variables are significant, random and also if it occurred by chance and as such they are no limitations here.

Therefore, option d is correct.

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Maëlys veut installer une étagère à 60 cm du sol.
Pour vérifier que son installation est bien horizontale,
elle installe une corde à 30 cm au-dessus de l'étagère et
la tend jusqu'au sol afin d'être alignée avec le bord de
l'étagère. Elle arrive à 1,20 m du mur. La distance entre le
point d'attache et l'extrémité de l'étagère est de 50 cm.
l'installation de Maëlys est-elle bien horizontale ?

Answers

Si me amp Jake I help u it’s Definitely

Which relationships describe angles 1 and 2?
Select each correct answer.
vertical angles

adjacent angles
complementary angles

supplementary angles
2

Answers

Answer:

They are adjacent and supplementary

Step-by-step explanation:

Refer to the article "The Future of Money" in your Money, Money, Money magazine for a complete version of this text.


What is the overall structure of the "Pros and Cons of Cryptocurrency" section of "The Future of Money"?



It contrasts positive aspects of cryptocurrency with negative aspects of cryptocurrency.


It uses comparison to show differences between digital currency and traditional currency.


It explains how advances in computer and phone technologies created a need for cryptocurrency.


It uses reasons and evidence to support opinions about the future of cryptocurrency

Answers

The general structure of this section of the text is to describe both positive and negative aspects of cryptocurrency.

What is "The Future of Money about"?

This is a text that describes the recent evolution of money into more modern forms as well as possible ways money might evolve.

What is the section "Pros and Cons of Cryptocurrency" about?

This section focuses on the pros (advantages) and cons (disadvantages) of cryptoccurency. Due to this, the section follows a contrasting structure to show negative and positive aspects.

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Answer:

It contrasts positive aspects of cryptocurrency with negative aspects of cryptocurrency.

Step-by-step explanation:

i hope this help anyone that see this :D

Four lines meet at a point. The sun of three of the angles at the point is 267. The size of the other angle is​

Answers

Answer: 93

Step-by-step explanation:

Jane has a piece of wood in the shape of a right rectangular prism. She cuts out 44 identical square holes in the wood. What is the surface area of the piece of wood after she cuts it?.

Answers

Would the answer be 60?

342.5 divided by 34.25

Answers

342.5 divided by 34.25 is 10
change the divisor 34.25 to a whole number by moving the decimal point 2 places to the right. then move the decimal point in the dividend the same 2 places to the right. then you have 34250/3425=10
342.5/34.25=10
both calculated to 0 decimal places

Sonja is spinning a spinner with 15 equal sectors labeled 1 through 15.


What is P(multiple of 6)?


2/15

4/15

2/5

3/5

Answers

Answer:

2/15

Step-by-step explanation:

there are only 2 numbers which are multiples of 6, which are both 6 and 12. That means it would be a 2/15 probability. You cannot simplify it more, so it will remain the same.

Answer:

2/15

Step-by-step explanation:

:)

The group wants to travel from its current location on the map to the South Pole, and then directly back to the base camp. How many miles will they have to travel? Explain your answer.​

Answers

Using the Pythagorean Theorem, it is found that the group will have to travel 90 miles.

What is the Pythagorean Theorem?

The Pythagorean Theorem relates the length of the legs [tex]l_1[/tex] and [tex]l_2[/tex] of a right triangle with the length of the hypotenuse h, according to the following equation:

[tex]h^2 = l_1^2 + l_2^2[/tex]

In this problem:

First, the group travels 5 x 5 = 25 miles to the south pole.Then, the distance to the camp is the hypotenuse of a right triangle with sides of 25 miles and of 12 x 5 = 60 miles, hence:

[tex]d^2 = 25^2 + 60^2[/tex]

[tex]d = \sqrt{25^2 + 60^2}[/tex]

d = 65.

The total distance is given by:

Td = 25 + 65 = 90 miles.

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How many arrangements are there of the letters in the word "greet?"

Answers


Answer: 60

5 / 2

= 5×4×3×2×1/2×1

=120 / 2

= 60.
I hoped this helped! :)

Can someone help me please!!?

Answers

Answer:

AB = 21

Step-by-step explanation:

the line EB is parallel to the side of the triangle DC and intersects the other 2 sides proportionally , that is

[tex]\frac{AE}{ED}[/tex] = [tex]\frac{AB}{BC}[/tex] ( substitute values )

[tex]\frac{14}{12}[/tex] = [tex]\frac{AB}{18}[/tex] ( cross- multiply )

12 AB = 14 × 18 = 252 ( divide both sides by 12 )

AB = 21

A newly formed life insurance company has underwritten term policies on 120 women between the ages of forty and forty-four. Suppose that each woman has a 1/150 probability of dying during the next calendar year, and that each death requires the company to pay out $50,000 in benefits. Approximate the probability that the company will have to pay at least $150,000 in benefits next year

Answers

The probability that the company will have to pay at least $150,000 in benefits next year is 0.047 if the there are 120 women.

What is probability?

It is defined as the ratio of the number of favorable outcomes to the total number of outcomes, in other words the probability is the number that shows the happening of the event.

The probability of dying:

P(dying) = 1/150

P(living) = 1 - P(dying) = 1 - 1/150 = 140/150

There are 120 women.

P(x≥3) = 1 - [P(x=0) +P(x=1) + P(x=2)]

[tex]\rm P(x\geq 3)=1-[(120 \ choose \ 0)(1/150)^0)((149/150)^{120})+[/tex]  

                  [tex]\rm (120 \ choose \ 1) ((1/150)^1) ((149/150)^{119}) +[/tex]

                  [tex]\rm (120 \ choose \ 2)((1/150)^2)((149/150)^{118})][/tex]

P(x≥3) = 0.047

Thus, the probability that the company will have to pay at least $150,000 in benefits next year is 0.047 if the there are 120 women.

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Show your work to earn full credit.

Jenae goes to the mall to buy a jacket. A store is having a sale for 30% off the original price of the jacket. Jenae also has a $10 off coupon she will use to make the purchase. The expression below can be used to find her final price for a jacket with an original price of p dollars.

0.7p - 10

The jacket she decides to purchase has an original price of p=$87.99. What is the final price of the jacket Jenae is buying?

Answers

Answer:

$51.60

Step-by-step explanation:

This is essentially substitutionI have found that shops tend to round up the .99, so I will work with $880.7 × 88 - 10 = $61.60 - 10 = $51.60

In a survey of 800 people, 42% said they shopped online last week. How many people said they shopped online last week?

Answers

336

explanation:

percent. part

_______ = _____

100. whole

42. ?

____ = ____

100. 800

cross multiply

800×42=33,600

then divide by 100

33,600/100=336

Answer:

336

Step-by-step explanation:

If 42% said they shopped online last week, that means the number of people who said they shopped online last week is 42% of 800. "Of" just means we should multiply, and since 42% = 42/100 (since % is just /100), we can use the following to find the answer (I used cross multiplication to simplify):

42          800         42         8

---    *               =     ----    *       =     336

100                           1

Find the volume of the figure. Round answer to nearest hundredths place.

Answers

Answer: 540 nearest hundred is 500

Step-by-step explanation:

I multiplyed them together to get the answer.

Answer:

4834.9

Step-by-step explanation:

1) Split the Figure into a Cone and a Cylinder

2) Cylinder Formula V=πr²h And Cone  V=1/3hπr²

3) π[tex]9^{2}[/tex]15 + 1/2(12)π([tex]9^{2}[/tex])

4) 3817.04+1017.88

5) 4834.9

Solve for x.
3x² -10 = -5

Answers

Answer:

first one is the correct answer


x=15/3 it has to be the 15/3 math isn’t my strong suit but my bf says 15/3

What is the slope of the line?

Answers

Answer:

[tex]-\frac{2}{3} x[/tex]

Step-by-step explanation:

Hey there!

To find slope, you take [tex]\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

In this case

y2: 6

y1: 4

x2: -3

x1: 0

Now we plug in this information

[tex]\frac{6-4}{-3-0} \\\\\frac{2}{-3} \\\\-\frac{2}{3}[/tex]

Since this is the slope, you have to add a "x"

So, the slope is [tex]-\frac{2}{3} x[/tex]

What's the answer to this question? 4*(5t+1)/5

Answers

Answer:

[tex]\boxed{\sf{4t+\dfrac{4}{5} }}[/tex]

Step-by-step explanation:

In order to solve this, you must use the distributive property.

[tex]\sf{\dfrac{4\left(5t+1\right)}{5}}[/tex]

Distributive property:

⇒ A(B+C)=AB+AC


⇒ 4(5t+1)

Multiply by expand.

4*5t=20t

4*1=4

Rewrite the problem down.

20t+4

20t+4/5

[tex]\text{FRACTION RULES: }\\\\\\\Longrightarrow: \sf{\dfrac{A\pm \:B}{C}=\dfrac{A}{C}\pm \dfrac{A}{C}}[/tex]

[tex]\Longrightarrow: \sf{\dfrac{20t+4}{5}=\dfrac{20t}{5}+\dfrac{4}{5}}[/tex]

You have to divide the numbers from left to right.

⇒ 20/5=4

[tex]\Longrightarrow: \boxed{\sf{4t+\dfrac{4}{5} }}[/tex]

Therefore, the correct answer is 4t+4/5.

Answer:

[tex]4t + \frac{4}{5}[/tex]

Step-by-step explanation:

Step 1:  Distribute

[tex]\frac{4(5t + 1)}{5}[/tex]

[tex]\frac{(4 * 5t) + (4 * 1)}{5}[/tex]

[tex]\frac{20t + 4}{5}[/tex]

Step 2:  Isolate the numerator into two fractions

[tex]\frac{20t +4}{5}[/tex]

[tex]\frac{20t}{5} + \frac{4}{5}[/tex]

[tex]4t + \frac{4}{5}[/tex]

Answer:  [tex]4t + \frac{4}{5}[/tex]

John, Britteny, Chloe, Kenji, Warner, and Juliette are in a race and are all considered equally fast what is the probability that John and Britteny would be the first two finishers

Detailed explanations are most welcome

Answers

Answer:

1/3

Step-by-step explanation:

There are 6 people partaking in this race.If John and Brittney are to be the first two finishers, then 2 out of the 6 people are the said first two finishers.That gives 2/6.By reducing the fraction, we have:(2÷2)/(6÷2) = 1/3.

Hope this helps!

Professor Mallory determines the distribution of students on five variables in her target population. She then uses nonprobability sampling to select students who fill the pre-established proportions of people in each combination of variables. Which sampling strategy did she use

Answers

The sampling strategy she use was a quota.

Quotas are meant to establish boundaries on the number of specific goods that are allowed to be lawfully imported into the country throughout a distinct period of time. In that, quotas are similar embargoes, except quotas don´t have explicit political purposes as embargoes do.

A Fixed quota would be a maximum amount not to be surpassed, while a tariff rate surcharge allows it, but with a higher duty.

Melissa will paint a jewelry box that is in the shape of a cube. The surface area of the cube can be determined using the formula A = 682 wheres represents the side length the cube Determine the surface area of the box that Melissa will paint to the nearest tenth of a square inch if x = 2.​

Answers

The surface area of the box that Melissa will paint is 24 square units

Surface are of a cube

A cube is a solid figure with 6 faces. The formula for calculating the surface area of the cube is expressed as:

A = 6L^2

where

L is the side length of the cube

Given

L = 2units

Substitute

A = 6(2)^2
A = 6 * 4
A = 24 square units

Hence the surface area of the box that Melissa will paint is 24 square units

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How many times larger is the 5 in 528, 394 as in 352, 107?

A. 5 times as large as

B. 10 times as large as

C. 50 times as large as

D. 100 times as large as

E. 500 times as large as

Answers

Answer: B 10 Times large

Step-by-step explanation:The first 5 is 500,000 And the second 5 is 50,000

500,000÷ 50,000= 10

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