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storchak [24]
2 years ago
15

Are 1/2x+3/4-5/8x-7/8 and 1/8(x+1) equivalent expressions? show your work.

Mathematics
1 answer:
jolli1 [7]2 years ago
8 0
Put these questions in Mathpapa’s Simplify calculator. It will give you the answer and all of the work you need.
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Timothy has a savings account that he started five years ago to begin saving for college. The
torisob [31]

Answer:

A. $1500.00

Step-by-step explanation:

Assuming this is a simple interest savings account.

<u>Simple interest formula</u>

I = Prt

where:

  • I = total interest
  • P = principal amount
  • r = interest rate (in decimal form)
  • t = time (in years)

Given:

  • I = $225
  • r = 3% = 0.03
  • t = 5 years

Substitute the given values into the formula and solve for P:

⇒ I = Prt

⇒ 225 = P(0.03 ×5)

⇒ 225 = P(0.15)

⇒ P = 225 ÷ 0.15

⇒ P = 1500

Therefore, Timothy started the account with $1500.00.

4 0
1 year ago
Read 2 more answers
When you add 18 to 1/4 of a number you get the number itself
JulijaS [17]
X - the number

\frac{1}{4}x+18=x \\&#10;18=x-\frac{1}{4}x \\&#10;18=\frac{3}{4}x \ \ \ |\times \frac{4}{3} \\&#10;18 \times \frac{4}{3} = x \\&#10;6 \times 4=x \\&#10;x=24

The number is 24.
8 0
3 years ago
An angle measures 14° more than the measure of its complementary angle. What is the measure of each angle?
Mars2501 [29]

Answer:Complementary angles are two angles whose degree measurements add up to 90 degrees. The first angle would be (x + 14.4) and its complementary angle would be x. Therefore, you would set up this problem as: x + (x + 14.4) = 902x + 14.4 = 902x = 75.6 x = 37.8  (one angle)And (x + 14.4) = 52.2 (other angle). 

To check: 37.8 + 52.2 = 90

Step-by-step explanation:

7 0
2 years ago
What are the roots of the equation? x2−x−42=0 Enter your answers in the boxes.
Levart [38]

Answer:

x = 7  x = -6

Step-by-step explanation:

x^2−x−42=0

Factor

What two numbers multiply to -42 and add to -1

-7*6 = -42

-7+6 = -1

(x-7) (x+6) =0

Using the zero product property

x-7 =0   x+6 =0

x = 7  x = -6

8 0
3 years ago
Can someone pls help
lapo4ka [179]

Answer:

7

Step-by-step explanation:

8 0
3 years ago
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