MATHEMATICS HIGH SCHOOL

If -2(3y+5)=-4, find the value of 5y

Answers

Answer 1
Answer: Step 1: Divide both sides by -2



Step 2: Simplify  to 



Step 3: Simplify  to 2

3y + 5 = 2

Step 4: Subtract 5 from both sides

3y = 2 - 5 

Step 5: Simplify 2 - 5 to −3

3y = -3

Step 6: Divide both sides by 3 



Step 7: Cancel 3

y = -1

Done! :) your answer is y = -1 3

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COLLEGE

Find the value or values of y in the quadratic equation y2 + 4y + 4 = 7. A. y = −2 + √ 7 , y = −2 − √ 7 B. y = 2, y = 7 C. y = −2√ 7 , y = 2√ 7 D. y = 2 + 2√ 7 , y = 2 − 2√ 7

Answers

Answer:

Option A

The values of y are: or .

Step-by-step explanation:

Subtract 7 from both the sides:

On Simplify:

Solve with the quadratic formula:

For a quadratic equation of the form the solutions are:

For a=1, b=4 and c=-3 we have,

=

on solving we get, =

therefore, the values of y are:

or





A) y = -2 + rt7, y = -2 - rt7
MIDDLE SCHOOL

Order least to greatest 2/3,60%,0.65,4/5

Answers

All you have to do is divide the fractions to get a decimal the move the decimal 2 spaces to the right, then you wil have your percent. & it will be easier to put them in order
HIGH SCHOOL

The day after Halloween candy was marked down 40% which expression represents the new retail price a. 1.4pB. 0.4pC. 0.6pD. 1.6p

Answers

Assuming the original price was £1.00
the answer is C) 0.60p
HIGH SCHOOL

The real number 12 belongs to which set of numbers?

Answers

The number 12 belongs to a set of even numbers

12 is an even number because it can be divided by 2 without getting a reminder
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