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34kurt
3 years ago
15

HELPPP pweaseeee :( im confused again

Mathematics
1 answer:
Komok [63]3 years ago
8 0

Answer:

its 23

Step-by-step explanation:

23-19 is 4

4 squared is 2

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-15= z/-2 answer please?​
faust18 [17]

Answer:

30

Step-by-step explanation:

-15=\frac{z}{-2}\\\\(-15)(-2)=z\\\\30=z

4 0
3 years ago
△ABC is reflected over the x−axis and then reflected over the y−axis to form ΔA''B''C'' as shown below.
Nastasia [14]

Answer:

c

because it is

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A Square was altered so that one side is increased by 9 inches in the other side is decreased by 2 inches.The area of the result
LekaFEV [45]

Let s represent the length of any one side of the original square.  The longer side of the resulting rectangle is s + 9 and the shorter side s - 2.

The area of this rectangle is (s+9)(s-2) = 60 in^2.

This is a quadratic equation and can be solved using various methods.  Let's rewrite this equation in standard form:  s^2 + 7s - 18 = 60, or:

s^2 + 7s - 78 = 0.  This factors as follows:  (s+13)(s-6)=0, so that s = -13 and s= 6.  Discard s = -13, since the side length cannot be negative.  Then s = 6, and the area of the original square was 36 in^2.

4 0
3 years ago
3. A survey conducted among a group of 50 students showed that; (APPLYING)
Pani-rosa [81]

Answer:

Step-by-step explanation:

this is a set problem (mathematical set)

30 students played soccer

9 students played cricket and soccer

x students played neither cricket nor soccer

3x students played cricket only.

we can see that in the first set 21 appears and in the middle of the set 9 because it says 30 students played soccer adding x and 3x we have the following formula

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5 0
3 years ago
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Art [367]

Answer:

ST=10

Step-by-step explanation:

8 0
3 years ago
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