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Levart [38]
4 years ago
8

What did i do wrong?

Mathematics
2 answers:
Vlad [161]4 years ago
5 0
That’s not a mixednumbrr
posledela4 years ago
4 0
To find the perimeter, we want to add up all of the sides. You got all of the sides that were labelled, but missed the long side on top. Also, the answer should be a mixed number, not an improper fraction.

We can find the long side by adding up the variables that were already given:

3x-1 + 3x-1 + 3x-1=9x-3

Now, we can set up the equation of perimeter to solve for x:

9x-3 + x + 3x-1 + x + 3x-1 + x + 3x-1 + x = 1038
22x - 6 = 1038
22x = 1032
x=1032/22
x=516/11
x=46 10/11
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During a Middle School basketball season, Antonio made 17 of his free throws out of 20. What percent of his free throws did he m
hram777 [196]

I see a fraction. Don't you. Here it is 17/20. Now, let's divide 17 by 20 to get a decimal number, which is 0.85. Next, we multiply 0.85 by 100 to get the percent because that is what the question desires for us to express our answer. As a result, we get 85%, and Antonio made 85% of his free throws. By the way, I hope my response helps you.  

8 0
3 years ago
Read 2 more answers
Solve the absolute value equation. |3x| = 12 A. {4, 4} B. {4, –4} C. {–4, –4} D. no solution
AlekseyPX
<span>|3x| = 12 actually represents two equations:  3x = 12 and -3x = 12.

Thus, the solutions are {-4, 4).</span>
8 0
3 years ago
Find the value of X
aliina [53]

Step-by-step explanation:

According phythagorous theorem,

x²=(12)²+(5)²

x²=144+25

x= root of 169

x=13

8 0
3 years ago
Read 2 more answers
Solve the system of equations by elimination.<br><br> 2x+8y=10<br><br> -4x-9y=-13<br><br> x = y =
Reptile [31]
So use cancelation
multiply first equation by 2
2x+8y=10
times 2
4x+16y=20
now add

4x+16y=20
<u>-4x-9y=-13   +
</u>0x+7y=7
7y=7
divide by 7
y=1

subsittue

2x+8y=10
2x+8(1)=10
2x+8=10
subtract 8 from both sides
2x=2
divide by 2
x=1


x=1
y=1
<u />
8 0
3 years ago
9 times the sum of b and 2 is 8
Ksivusya [100]

I suppose you want to solve the following equation for b:

9(b+2)=8

First of all, you need to divide both sides by 9:

b+2 = \dfrac{8}{9}

Then, subtract 2 from both sides:

b = \dfrac{8}{9}-2 = \dfrac{8}{9}-\dfrac{18}{9} = -\dfrac{10}{9}

7 0
3 years ago
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