MATHEMATICS HIGH SCHOOL

-8 + 5 ( 1 + x) = 2x - 20
multi step equation, please solve ill give brainliest (with steps)

Answers

Answer 1
Answer:

Answer:

The answer is x=-17/3

Step-by-step explanation:

The Steps:

-8 + 5(1 + x) = 2x - 20

-8 + 5 + 5x = 2x - 20

-3 + 5x = 2x - 20

-3 + 3x = -20

3x = -17

x = -17/3

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Answers

Answer:

Slope of parallel line: -7/6

Slope of perpendicular line: 6/7

Step-by-step explanation:

7x + 6y = 5

6y = -7x + 5

y= -7/6x + 5/6

Two road crews, working together, repaired 1 mile of road in 4 hours. working separately, one of the crews takes about 6 hours to repair a similar road. how much time would the other crew, working alone, need to repair a similar road?

Answers

see the attached photo

A quadratic equation is shown below:x2 − 14x + 41 = 0

Which of the following is the first correct step to write the above equation in the form (x − p)2 = q, where p and q are integers?

A. Add 8 to both sides of the equation
B. Add 9 to both sides of the equation
C. Subtract 8 from both sides of the equation
D. Subtract 9 from both sides of the equation

Answers

Hello,

Answer A

x²-2*7*x+41+8=8
==> (x-7)²=8

8TH GRADE MATH
g(3)=

Answers

Answer:

4

Step-by-step explanation:

The first term of an AP is 5, common difference is 3 and the last term is 80. Find the number of terms.

Answers

Answer:

n=26

Step-by-step explanation:

an=a+(n-1)d

80=5+(n-1)3

80=5+3n-3

80-2=3n

78/3=n

n=26

Mr. López teaches his classes how to make maraca instruments by filling plastic eggshells with dried beans Mr. López uses the equation p= 0.75n to find the number of pounds, p, of beans needed for “n” classes.What is the constant of proportionality between p and n?


Pleaseee I need it
Thank you

Answers


The constant of proportionality between p (pounds of beans) and n (number of classes) in the equation p = 0.75n is 0.75. In this equation, 0.75 represents the ratio of the number of pounds of beans (p) to the number of classes (n). It tells you that for each class, 0.75 pounds of beans are needed, making it the constant of proportionality.
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