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Vlad1618 [11]
2 years ago
7

I need help with my test

Mathematics
2 answers:
Tamiku [17]2 years ago
7 0
It’s b ok I got you ok!!!!
AysviL [449]2 years ago
6 0

Answer:

a

Step-by-step explanation:

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Kristin spent $131 on shirts. Fancy shirts cost $28 and plain shirts cost $15. If she bought a total of 7 then how many of each
Tpy6a [65]
Hi there!!

First, Let plain shirts be x
Let fancy shirts be y 
x + y = 7
15x + 28y = 131 
Multiply first equation by 28 to eliminate y: 
28x + 28y = 196
<span>15x + 28y = 131 
</span>Subtracting the two equations:
13x = 65
<span>x = 5 </span>
Substituting x to get y:
x + y = 7
5 + y = 7
<span>y = 2 </span>
<span>Answer: 5 plain shirts and 2 fancy shirts
</span>
Hope this helps u!!
Have an amazing rest of ur day:)))
3 0
3 years ago
Which expression is equivalent to 15x – 2(3x + 6)? ASAP!!! Thanks!!!
Nikolay [14]
<span>A. 3(3x + 4) should be the correct answer.</span>
5 0
3 years ago
Read 2 more answers
a right triangle has a hypotenuse with a length of 20. the lengths of the legs are whole numbers. what are the lengths of the le
Y_Kistochka [10]

Answer:

12;16

Step-by-step explanation:

The Pythagorean theorem states that

a^2+b^2=c^2 where a and b are legs of a triangle, and c is the hypotenuse.

This means that we have to find 2 values that once squared, add up to 400. (20^2)

Based on this, we can use the values of 12 and 16 to satisfy this.

12^2+16^2=144*256=400

Therefore, the legs of the triangle are 12 and 16.

5 0
3 years ago
A bag contains orange and yellow sweets the ratio of orange to yellow sweets is 3:2 There are 51 orange sweets in the bag find t
GalinKa [24]

Answer: 34

Step-by-step explanation: the ratio is 3:2 we know that there are 51 orange sweets but we don’t know how many are yellow so the current ratio is 51:x we need to find x so if we divide 3 by 51 the answer is 17 so we need to multiply 17 by 2 which is 34 so x is equaled to 34 the final ratio is 51:34

hope it helped :)

6 0
3 years ago
As Greg swam across an 80 - meter river, the current carried him 30 m downstream. How
Leya [2.2K]

Answer:

85.44

Step-by-step explanation: bee go buzz squared by 2

8 0
3 years ago
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