Help pls i rly need help

Help Pls I Rly Need Help

Answers

Answer 1

x = 16/7

Step by step explanation :

[tex] \frac{x}{2} - 1 = \frac{3 - x}{5} [/tex]

Taking LCM in Left Hand Side

[tex]⇢ \frac{x - 2}{2} = \frac{3 - x}{5} [/tex]

Now, By cross multiplying ,we get. ..

[tex]⇢5(x - 2) = 2(3 - x)[/tex]

[tex]⇢5x - 10 = 6 - 2x[/tex]

[tex]⇢5x + 2x = 6 + 10[/tex]

[tex]⇢7x = 16[/tex]

[tex]⇢ \boxed{ x = \frac{16}{7} }[/tex]

Answer 2

Answer:

x = 16/7

Step-by-step explanation:

Given

x/2 - 1 = 3 - x / 5

Solving

#1) Find the LCM.

Product of denominator values2 x 5 = 10

#2) Multiply both sides by 10.

10(x/2 - 1) = 10(3 - x / 5)5x - 10 = 2(3 - x)5x - 10 = 6 - 2x

#3) Bring x terms to the left and numbers to the right.

5x + 2x = 6 + 107x = 16x = 16/7

Related Questions

Volume of cones
A cone has a height of 15 meters and a diameter of 12 meters. What is its volume?
Use = 3.14 and round your answer to the nearest hundredth.

Answers

Answer:

150.72

Step-by-step explanation:

Answer:

it will 3.14.

Step-by-step explanation:

there is no number after 4

Is it possible that a packet of candies does not divide into 9 equal parts, but rather divides into 3 equal parts? Give an example with your answer.​

Answers

Answer:

Yes, if there are 6 candies it can be divided equally by 3 and not 9.

Step-by-step explanation:

Some of the dimensions of a square pyramid are shown in the diagram. The height of the square pyramid is 5.1 meters.

What is the volume of the square pyramid in cubic meters?

60 m3

40 m3

360 m3

120 m3

Answers

Answer:

27.2 m³

Step-by-step explanation:

Given:

Base edge = 4 mHeight = 5.1 meters

Formula:

[tex](\text{Base edge})^{2} \times \dfrac{\text{Height}}{3}[/tex]

Replace the base edge and the height in the formula:

[tex]\implies (\text{4})^{2} \times \dfrac{\text{5.1}}{3}[/tex]

Evaluate the volume of the prism:

[tex]\implies (\text{4})(4) \times 1.7[/tex]

[tex]\implies 16 \times 1.7[/tex]

[tex]\implies 27.2 \ \text{m}^{3}[/tex]

Answer:

27.2 cm³

Step-by-step explanation:

Volume of a square pyramid

[tex]\sf V=\dfrac13a^2h[/tex]

where:

a is the base edgeh is the height

Given:

a = 4 mh = 5.1 m

[tex]\sf \implies Volume=\dfrac13\cdot 4^2\cdot5.1=27.2\;cm^3[/tex]

Yael worked out at the gym for 2 hours. Her workout consisted of stretching for 21 minutes, jogging for 45 minutes, and lifting weights for the remaining amount of time. What percentage of Yael's workout was spent lifting weights?

Answers

Answer:

54

Step-by-step explanation:

Well you have 120 minutes at the gym

Minus 21 minutes for stretching

Minus Jogging for 45 minutes

120-66=54

So 54 minutes spent lifting

Find the volume of the sphere, round your answer to the nearest tenth

Answers

Answer:

904.8 units^3

Step-by-step explanation:

The formula for the area of a circle is [tex]4/3 \pi r^3[/tex]

By the picture we know r = 6

Thus our answer is 4/3 * π * [tex]6^3[/tex]

This is the same as 4/3 * 216 * π = 904.778684234

Rounding to the nearest tenth yields 904.8 units^3

Triangle ABC has vertices at (5, 0), (- 1, - 4) , and (3, - 6) . What is the perimeter of ABC , rounded to two decimal places ?

Answers

Answer:

18.01 units to 2 dec. places.

Step-by-step explanation:

Calculate the length of the 3 lines of the triangle

AB = √ [(5 --1)^2 + ( 0 - -4)^2]

= √(36 + 16)

= √52

= 7.211.

BC = √ [(-1-3)^2 + (-4- -6)^2]

= √(16 + 4)

= √20

= 4.472.

CA = √ [(3-5)^2 + (-6-0)^2]

= √(4 + 36)

= √40

= 6.325.

So the perimeter = 7.211 + 4.472 + 6.325

= 18.008

Fill in the blanks for the formula used
to find the percent change between
an old value and a new value.

Old Value

New Value

Answers

Answer:

  [tex]\text{\% change}=\dfrac{(\text{New value})-(\text{Old value})}{\text{Old value}}[/tex]

Step-by-step explanation:

A percentage change is quotient of the difference between the new value and old value, and the old value. That fraction is expressed as a percentage in the usual way.

__

Here, the problem statement tells you to fill in the blanks with "NOO."

  [tex]\text{\% change}=\dfrac{(\textbf{N}\text{ew value})-(\textbf{O}\text{ld value})}{\textbf{O}\text{ld value}}\times100\%[/tex]

Which statement is the correct interepration of the inequality -3>-4?

Answers

Answer:

-3>-4 is correct

Step-by-step explanation:

A school collects data to determine the favorite sport among seventh graders at middle school. Which sampling method produces an unbiased representative sample of the population?

Answers

Answer:

A random sample is meant to be an unbiased representation of the larger population.

The circumference of the circle is 87.92 cm. What is the diameter? (Use 3.14 for .)

Answers

Answer: The diameter is 28cm

Step-by-step explanation:

Circumference is [tex]2\pi r[/tex] where r is the radius or just [tex]\pi d[/tex] where d is the diameter. For this, we'll use the one with the diameter.

[tex]87.92=3.14d\\\frac{87.92}{3.14} =\frac{3.14d}{3.14} \\28=d[/tex]

Tyrone wants to know how much wrapping paper is
needed to cover a box with the dimensions shown,
1 in
6 in
1 in
3 in 1 in 11n
3 in
1 in
3 in
What is the surface area of the box?
A. 48 square inches
B. 27 square inches
O C. 18 square inches
D. 54 square inches

Please help quick! :)

Answers

Answer:18

Step-by-step explanation:

What two equivalent fractions for 8/8?

Answers

Answer:

2/2. and 4/4

Step-by-step explanation:

because 8/8 is 1 and 2/2 and 4/4 are both 1 .

do u mind giving me brainlest im trying to level up.

thank u

Sam Martin makes $7 per hour and works 40 hours per week. What would be the amount of his bi-weekly gross paycheck? _______________________________

Answers

Answer:

13,440 per year.

Step-by-step explanation:

His pay check would be deducted over 93% which is 12,406 spent on bills, and about $90 left to spend on whatever he wants. (LoL)

HELP HELPPP WITH THIS NOWW

Answers

Answer:

1. ≈301.6

2.≈10210.18

Step-by-step explanation:

1. A=2πrh+2πr2=2·π·4·8+2·π·42≈301.59289

A=2πrh+2πr2=2·π·25·40+2·π·252≈10210.17612

Using the tools from before, what is the theoretical probabilty of spinning an even number and rolling an odd number?

Answers

Roll two dice. Look at one die and note whether the “up” face is odd or even. If odd, there are 3 of the 6 faces

Some red, white, and blue candies
were placed in a bowl. Some contain nuts,
and some do not. Suppose one of the candies were chosen randomly from all
the candies in the bowl.
probability?
Which of the following represents a conditional
O A. The probability that it does not contain any nuts, given that the
candy is red
B. The probability that it contains nuts and is white
O c. The probability that the candy is not red
• D. The probability that the candy is blue

Answers

Answer:  Choice A

Reason:

The keyword "given" is a universal indicator we're dealing with conditional probabilities. It sets up prior knowledge to reduce down the sample space.

The fact that we know the candy is red means that we only focus on the red candies (and shrinks down the set).

Conditional probability is represented by probability that the candy is blue.

What is Conditional Probability?

One of the fundamental ideas in probability theory is the idea of the conditional probability formula. The conditional probability formula calculates the likelihood of an event, say B, given the occurrence of another event, say A.  

By knowing the conditional probability of event B given that event A has occurred and the individual probabilities of events A and B, the Bayes theorem may be used to calculate the conditional likelihood of event A given that event B has occurred.

We have,

Some red, white, and blue candies were placed in a bowl.

Some contain nuts, and some do not.

Here we are only focusing on the red candy which shows we have reduce the sample space.

Learn more about conditional probability here:

brainly.com/question/13044823

#SPJ7



99 like Sorbet
94 like Rocky Road and Berry
96 like Rocky Road
96 like Sorbet and Berry
99 like Berry
93 like all three
95 like Sorbet and Rocky Road

How many people prefer:
(a) none of the three?
(b) Sorbet, but not Rocky Road?
(c) Anything but Berry?
(d) only Rocky Road?
(e) Exactly two kinds of ice cream?
WILL GIVE BRAINLIEST PLLSSSS!!!!!

Answers

Answer:

b

Step-by-step explanation:

PLEASE HELP (easy points)

Answers

Answer:

the first one i think

Step-by-step explanation:

This angle cuts out
4
9
of the circle. Find the measure of the angle

Answers

Yes cause the passage is from the new correct one story

A bag contains green and black counters.
1
-
4
of the counters are black
Write the ratio of green to black counters.

Answers

Answer:

3:1

Step-by-step explanation:

if 1/4 of the counters are black then it means the total counters are 4 and so there are 3 remaining and those become the green counters

The ratio of green to black counters is 3:1

What is the Ratio?

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

Given that A bag contains green and black counters, 1/4 of the counters are black.

Since, 1/4 is black counters therefore, 1 - 1/4 are green counters

So, there are 3/4 green counters

Ratio = (3/4)/(1/4) = 3/1  3:1

Hence, The ratio of green to black counters is 3:1

For more references on Ratio, click;

https://brainly.com/question/13419413

#SPJ2

What is the total amount Mrs. Harrison will pay back

Answers

Answer:

You have to give a reference or a picture or a number or something.

Step-by-step explanation:

We can't guess what the numbers are you have to state them.

Answer:

$654

No explanation! sorry!

One calculator is discounted by 30% and now costs $42
another is discounted by 25% and now costs $42 dollars as well
which calculator had the cheaper original price? How much cheaper?

Answers


X*0.3 = 42
X=42/0.3 = 140

X*0.25 = 42
X=42/0.25 = 168

168-140= 28

30% one by 28.


20/3=x/6 what does X equal

Answers

Answer:

x equals 40 since 3 × 2 is 6 you do 20 × 2 which is 40

What is the axis of symmetry for y=8x² + 2x - 6?​

Answers

answer is x= - 1/8. see image for methods

A train traveled 1/5 of the distance between two cities and 3/4 of an hour at this rate how many hours will it take the train to travel the entire distance between these 230

Answers

Answer:

15/4 or 3 3/4

Step-by-step explanation:

since 1/5 has 1 as a numerator,

5 x 3/4=

15/4

it will take about 3 hours and 45 minutes

Please help this is due in the morning

Answers

JK is equal to the length of LM. So just set 3x+6+16=7x-11+14

Step-by-step explanation:

Using the Theorem,

LN*NL = KN*NJ

(7x-11)*14 = 16*(3x+6)

98x - 154 = 48x + 96

98x-48x = 96+154

50x = 250

x= 250/50

x= 5

MARK ME AS BRAINLIST

12 people are waiting at a subway stop to get on the train. However, the train only has space for 9 people to board. How many different combinations of people can get on the train?


220

220


1,320

1,320


13,305,600

13,305,600


79,833,600

79,833,600

Skip to navigation

Answers

ummm so please don’t report me but i need to answer 2 questions to be able to ask questions sorryyy

A ladder 15 feet long leans against a house and makes an angle
of 60° with the ground. Find the distance from the house to the
foot of the ladder.
A 13 feet
)
B 7.5 feet
C 10 feet
D
8.2 feet

Answers

Answer:

B

Step-by-step explanation:

assume a right angle between the house and the ground.

then the ladder is the hypotenuse and distance from ladder to house is d

using the cosine ratio in the right triangle and the exact value

cos60° = [tex]\frac{1}{2}[/tex] , then

cos60° = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{d}{15}[/tex] = [tex]\frac{1}{2}[/tex] ( cross- multiply )

2x = 15 ( divide both sides by 2 )

x = 7.5

distance from house to foot of ladder is 7.5 feet


Tuesday he used 3/5 as many of 1/8

Answers

Answer:

19/40 = 0.475 You can use either the fraction or the decimal

Step-by-step explanation:

3/5  - 1/8 = 3 · 8/5 · 8 - 1 · 5/8 · 5 = 24/40  - 5/40 = 24 - 5/40  = 19/40

Answer:

[tex] \frac{3}{5} - \frac{1}{8} = \frac{19}{40} [/tex]

TOTAL:

=0.475

Step-by-step explanation:

3/5 - 1/8 = 3.8/5.8 - 1.5/8.5 = 24/40

- 5/40 = 24-5/40 - 24-6/40 =19/40

For adding, subtracting, and comparing fractions, it is suitable to adjust both fractions to a common (equal, identical) denominator. The common denominator you can calculate as the least common multiple of both denominators - LCM(5, 8) = 40. In practice, it is enough to find the common denominator (not necessarily the lowest) by multiplying the denominators: 5 × 8 = 40. In the following intermediate step, it cannot further simplify the fraction result by canceling.

Name r 13 EUA 18. Find the measure of angle A Date Period A 16 139° B A= 13 20 19. Solve the triangle ABC with side lengths a = 14cm, b = 9cm, c = 6cm a = A= b = B= C= C =​

Answers

Answer:

A = 137°   a = 14 cm

B = 26°   b = 9 cm

C = 17°   c = 6 cm

Step-by-step explanation:

Cosine rule

[tex]c^2=a^2+b^2-2ab\cos (C)[/tex]

[tex]\implies C=\cos^{-1}\left(\dfrac{c^2-a^2-b^2}{-2ab}\right)[/tex]

where:

c is the side opposite angle Ca and b are the sides with C as the included angle.

Given:

a = 14 cmb = 9 cmc = 6 cm

[tex]\implies C=\cos^{-1}\left(\dfrac{6^2-14^2-9^2}{-2(14)(9)}\right)[/tex]

[tex]\implies C=\cos^{-1}\left(\dfrac{241}{252}\right)[/tex]

[tex]\implies C=16.99128694..\textdegree[/tex]

Sine Rule

[tex]\sf \dfrac{sinA}{a}=\dfrac{sinB}{b}=\dfrac{sinC}{c}[/tex]

(where A, B and C are the angles and a, b and c are the sides opposite the angles)

[tex]\sf \implies \dfrac{sinB}{9}=\dfrac{sin(16.991..)}{6}[/tex]

[tex]\sf \implies B=sin^{-1}\left(\dfrac{9sin(16.991..)}{6}\right)=25.99797699...\textdegree[/tex]

Sum of interior angles of a triangle = 180°

⇒ ∠A + ∠B + ∠C = 180°

⇒ ∠A = 180° - 25.997...°  - 16.9912...°

⇒ ∠A = 137.0107361...°

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