find the value of 7x+5 given that -2x+7=5. simplify your answer as much as possible

Answers

Answer 1

Answer:

12

Step-by-step explanation:

-2x + 7=5

or, 7-5=2x

or, 2=2x

or, 2/2=x

or, 1=x

Then,

7x+5

=7×1+5

=7+5

=12

Answer 2

Answer:

x=1

Step-by-step explanation:

-7 both sides that will give you -2

-2x=-1 divide by -2 and u will get on i think that what you were asking


Related Questions

Un laboratorio desea saber la efectividad de un nuevo medicamento para el control de la diabetes. Al realizar un experimento en 10000 individuos encuentra que en el 90 % de ellos el medicamento resulta ser efectivo. Suponiendo que los 10000 individuos son representativos de la muestra, conteste las siguientes preguntas:
a) ¿Cuál es la población?
b) ¿Cuál es la muestra?
c) Identifique el parámetro de interés
d) Identifique la estadística e indique cuál es su valor e) ¿Se conoce el valor del parámetro?

PORFAVOR LA EXPLICACION AL RESPONDER LAS PREGUNTAS

Answers

Queremos encontrar diferentes cosas en un experimento dado. Daremos una breve explicación para cada respuesta.

a) La población es el grupo de gente que se estudia, en este caso la medicina es para diabeticos, por lo que la población en este caso sería toda la gente que padece dicha enfermedad.

b) La muestra se refiere a la parte de la población que participa en el experimento, en este caso son 10,000 personas con diabetes.

c) El parametro de interes, es decir, lo que le interesa estudiar a los cientificos, será la efectividad del medicamento que estan desarrollando.

d) Sí, se conoce el valor del parametro, se sabe que en 90% de los casos es efectivo, escribiendo esto de forma decimal, podemos decir que el medicamento es efectivo con una probabilidad de 0.9.

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At a garage sale, Curtis paid $20 for a box of 40 baseball cards. He plans to re-sell the cards for $4 each. If x is the number of cards that he can re-sell, then the equation y = -20 +4x can be used to determine Curtis's profit (y, in dollars).

Answers

Answer:

180

Step-by-step explanation:

Well, I'm not sure but maybe??

what is 34÷6837 show ur work​

Answers

Answer:

Step-by-step explanation:

  If you're allowed to use a calculator, type in 34, the division symbol, 6837, and finally enter:

  34 / 6837 = 0.00497

Answer:

0.00497294135

Step-by-step explanation:

Help please thank you!

Answers

The photo below has the answer

Write the equation of a line going through the points (2,2) and (4,-3) in slope intercept form.

Step 1: Find slope


Step 2: find b



Step by step answer please.

Answers

Answer:

the slope is y2 - y1 over

x2 - x1

which means

[tex]( - 3- 2) = - 5[/tex]

[tex](4 - 2) = 2[/tex]

slope is m= -5/2

then you take a y from the first set of points for b

[tex]y = - \frac{5}{2} x \times 2[/tex]

hope it helps.

i need to know what 26.6 divided by 7 is.

Answers

Answer:3.8

Step-by-step explanation:

Acellus
Choose SSS, SAS, or neither to compare
these two triangles.
Help Resources
А
SAS
neither
SSS

Answers

Answer:

SSS

Step-by-step explanation:

2 colum proofs???? i don’t understand these

Answers

Answer:

where is it?

Step-by-step explanation:

Please please help me with this question please now and show your steps

Answers

Answer:

[tex]y = {x}^{2} - 8x + 7 \\ a = 1 \: and \: b = - 8 \\ the \: line \: of \: symmetry \: \\ x = \frac{ - b}{2a} = \frac{8}{2} \\ x = 4(line \: of \: symmetry) \\ y = {4}^{2} - 8(4) + 7 \\ = 16 + 32 + 7 = y = 55 \\ vertix \: is \: (4 ,55) \\ y = {0}^{2} - 8(0) + 7 \\ y = 7 \\ 0 = {x}^{2} - 8x + 7 \\ (x - 7)(x - 1) = 0[/tex]

Perform the indicated operation. Show all necessary work. a -2-(-9) b -2 -9 c -2- (-9)-(-2

please help i need to finish a test

Answers

Answer:

a=7 b=11 c=9

Step-by-step explanation:

-2-(9)      -2-(9) = -2+9=7 b -2-9=-11 c -2-(-9)-(-2) = -2+9+2=9

Answer:

Is the other answer correct?

Step-by-step explanation:

How to find the slope
(In general)

Answers

Using two of the points on the line, you can find the slope of the line by finding the rise and the run. The vertical change between two points is called the rise, and the horizontal change is called the run. The slope equals the rise divided by the run: Slope =riserun Slope = rise run .

Type of Slope: Visual Description

Undefined: vertical

Negative: downhill

Bob's Gift Shop sold 500 cards for Mother's Day. One salesman, Robert, sold 2% of the cards sold for Mother's Day. How many cards did Robert sell? Divide/scale down to solve for the missing percent.

Answers

Answer:

Robert sold 10 cards for Mother's Day

Step-by-step explanation:

2% of 500 is exactly like multiplying 0.02 with 500 which is 10

guys pls help me!!!!!!

Answers

Answer:

Step-by-step explanation:

i think its 64 degrees

Angles on a straight line equals 180⁰

180⁰-64⁰

116⁰

x=116⁰

help me please
i need it

Answers

Answer:

5

Step-by-step explanation:

read your book so that you can know your book

The answer to your question is 5

Please help me with this math probelm ASAP!! Will give brainliest!! :)

Answers

Answer:

z=21, x=1, y=9

Step-by-step explanation:

3z=63 (a property of a kite)

z= 21

3x-1=2x (another property of a kite)

x=1

y+4=13 (another property of a kite)

y=9

Be sure to know your properties!

Please help me with this. Thanks!

Answers

Answer:

the plane is descending at a rate of 8,300 feet per minute

Step-by-step explanation:

31,275 - 22,975 = 9,300

BRAINLIEST PLEASE!

The equation x²– 8x – 5 = 0 can be transformed into the equation (x - p)² = q, where p and q are real numbers. What are the values of p and q?​

Answers

The form (x - p)^2 = q is the form that completing the square will leave us with.

---Add 5 to both sides

x^2 - 8x = 5

---Divide the b term by 2, and square it. Then, add that number to both sides.

-8/2 = -4

(-4)^2 = 16

x^2 - 8x + 16 = 5 + 16

x^2 - 8x + 16 = 21

---Factor!

(x - 4)^2 = 21

p = 4

q = 21

Hope this helps!! :)

P and q have values of 4 and 21, respectively.

What is an expression?

In mathematics, expression is defined as the relationship of numbers, variables, and functions using mathematical signs such as addition, subtraction, multiplication, and division.

The form (x - p)²= q is what we get when we complete the square.

Adding the number 5 on both sides,

x² - 8x = 5

After dividing by two, square the b term. Then divide both sides by that figure.

-8/2 = -4

(-4)² = 16

x² - 8x + 16 = 5 + 16

x² - 8x + 16 = 21

Solve the factors,

(x - 4)² = 21

p = 4

q = 21

As a result, the values of p and q are 4 and 21, respectively.

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#SPJ2

3. Consider the equation 3x + 4 = 8x - 16. Solve for x using the given starting point."
Group 1
Group 2
Group 3
Group 4
Add 16 to both sides
Subtract 3x from both
sides
Subtract 4 from both
sides
Subtract 8x from both
sides

Answers

Answer:

X=-2.4

Step-by-step explanation:

3x+4=8x+16

-5x+4=16

-5x=12

x=-2.4

X=6
3x+4=8x-16
+16 +16
3x+20=8x
-3x -3x
30=5x
/5 /5
6=x

68 =34 =23

True or False? (Hint: Type true or false)

Answers

Answer:

I believe it's false

Step-by-step explanation:

Answer:

false

Step-by-step explanation:

..................


I will give brainliest if right, please help!

Which line uses all trochees?
A. Correct, the mall is over there
B. Roadrunners and barbecue
C. Toy store sausages swung by
D. Ask me questions now or later

Answers

Answer:

I believe it is c

Step-by-step explanation:

The metrical pattern of a trochee is said to have a "falling rhythm" because the emphasis comes at the beginning of the foot: "da-dum da-dum." This falling rhythm is the exact opposite of the iambic "rising rhythm" that is more common in both poetry and speech, so the cadence of trochaic meter tends to sound a little unnatural to the ear. While for this reason trochees are relatively rare in most poetry, the "downward" motion and "backward" orientation of trochees actually makes them a popular foot for writing about dark subjects like madness and death.

Answer:

Step-by-step explanation:

I don't understand this but D is the

sas, sss, aas, or not enough information

Answers

Answer:

Sas

Step-by-step explanation:

Because it’s side angle side

[tex]▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪[/tex]

The given triangles are congruent by :

SAS criterion

because two of their sides are equal and the angle between the is equal too (by vertical opposite angle pair).

How do i solve this table?

Answers

man im sorry because its hard to explain

Yes it’s a function

It’s a function because each input (the x) only has 1 output (the y)

An example where it wouldn’t be a function is a table like this:
1 | 4
1 | 5
2 | 7
3 | 12
4 | 19
Because 1 maps both to 4 and 5 so it’s not a function. But in your original table, it’s fine so it’s a function.

A movie theater uses a cone-shaped container to serve popcorn. The cone has a height of 12 inches and a volume of 16 π in2. What is the radius of the cone?

Answers

Volume can be defined as the capacity of a given container or a certain object.

The radius of the cone is 2 inches.

From the question, we are given the following parameters:

The height of the cone = 12 inches

The volume of the cone =  16 π in³

The formula to find the radius of the cone is given as:

√3V/πh

= √ 3 x 16π / π x 12

= 2 inches

Therefore, the radius of the cone is 2 inches.

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May I please receive help???

Please

Answers

Answer:

sorry i don't know the answer!

Step-by-step explanation:

if i knew i would'v helped..

The answer is 86 - 12= 74

The sum of three numbers is 137. The second number is 4 more than two times the first number. The third number is less than three times the first number. Find the three numbers.

Answers

Answer:

23, 50, 64

Step-by-step explanation:

137 = 23 + 50 + 64

Let the first number be x

Second number: 2x+4

Third number: 3x-5

Write the equation:

x + (2x + 4) + (3x-5) = 137

Solve for "x"

6x - 1 = 137

6x = 138

x = 23

Plug x (23) into the equation:

x + (2x + 4) + (3x-5) = 137

23 + 2(23) + 4 + 3(23) - 5 = 137

(23 + 46 + 4 + 69) - 5 = 137

142 - 5 = 137

A unit rate is a ratio that compares an amount of one quantity to _______________ unit of another quantity.

Answers

Answer:

one

Step-by-step explanation:

A unit rate compares a quantity to one unit of measure.

The length of a rectangle is three cm more than twice the width. Perimeter is 78 cm.

Answers

Answer:

width = 12cm and the length = 27cm

Step-by-step explanation:

A line has a slope of 9 and passes through the point (0, 5). What is its equation in slope -intercept form?

Answers

Answer:

y = 9x + 5

Step-by-step explanation:

Slope = m = 9

(0 , 5)

Slope intercept form: y = mx + b

y = 9x + b

Plugin x = 0 and y = 5

5 = 0 + b

b = 5

y = 9x + 5

Which of the following is a characteristic of a deferred payment plan? (2 points)
There is an introductory period where no interest is accrued.
The item purchased is used as collateral until the balance is paid in full.
A down payment is always required.
A certain number of payments must be made before the product is owned.

Answers

A characteristic of a deferred payment plan is that the item purchased is used as collateral until the balance is paid in full.

A deferred payment plan is a form of credit purchase, a way to pay for an item in arrears. The payment is usually divided into several installments, which are distributed over a certain period of time. Interest and fees are often added, which in the end makes the purchase considerably more expensive than if you had paid in cash.

Thus, through this payment system, the asset is delivered to the buyer before the payment is completed, thereby constituting the asset itself as an enforceable guarantee of payment compliance.

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Stefan just measured himself and found out he is 73.2 inches tall. The last time he measured, he was 60 inches tall. What percent taller is Stefan now?

Answers

73.2-60=13.2 stefan is 13.2 inches now
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