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alexdok [17]
3 years ago
5

Tim buys 4 hats at $7.99 each. How much does he spend?

Mathematics
1 answer:
Sindrei [870]3 years ago
8 0
Your answer should be $31.96 because when you multiply 7.99 by 4 that’s what your going to end up with.
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19. Two angles are supplementary. The measure of one angle is four times the measure of the other angle. Find the measure of eac
Marysya12 [62]

36 and 144

Explanation

Two Angles are Supplementary when they add up to 180 degrees

Step 1

Let

x= angle 1

y= angle2

The measure of one angle is four times the measure of the other angle,then

\begin{gathered} \text{angle}1=4\cdot\text{angle}2\text{    } \\ x=4y\text{   Equation(1)} \end{gathered}

x and y are supplementary angles , then

x+y=180\text{   Equation (2)}

Step 2

use Equation (1) and (2) to find x and y

\begin{gathered} x=4y \\ x+y=180 \end{gathered}

replace Equation (1) in Equation (2)

\begin{gathered} 4y+y=180 \\ 5y=180 \\ y=\frac{180}{5} \\ y=36 \end{gathered}

replace the value of y= 36 in equation (1) to find x

\begin{gathered} x=4y \\ x=4\cdot36 \\ x=144 \end{gathered}

Hence, the answer is 36 and 144

8 0
1 year ago
How do you find the unknown length for a special right angel
alukav5142 [94]

Answer: Pythagorean theroem

Step-by-step explanation:

The easiest method to use in terms of a missing side as long as you know at least two other variables whether its another side or angle

8 0
3 years ago
Find the greatest common factor of 8,6, and 10​
son4ous [18]

Answer: 2

2x4=8

2x3=6

2x5=10

Step-by-step explanation:

7 0
4 years ago
D • (-4) = 32 solve for d
RSB [31]

Answer:

d = -8

Step-by-step explanation:

Isolate the variable, d. Note the equal sign, what you do to one side, you do to the other. Divide -4 from both sides of the equation:

d * -4 = 32\\\frac{d * -4}{-4} = \frac{32}{-4}\\d = \frac{32}{-4}\\d = -8

d = -8 is your answer.

~

7 0
2 years ago
Read 2 more answers
Matt reasoned that he can write 9/1000 as 0.9. Is he correct?
Lubov Fominskaja [6]
The answer is no, he's not correct.

You're looking at 9/1000, which means you move the (invisible) decimal point after 9 three places to the left (because you're dividing and there are 3 zeros after the 1 in 1000). This would give you 0.009.
3 0
3 years ago
Read 2 more answers
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