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BartSMP [9]
3 years ago
6

the middle of a game, Dawn has a score of -17. At the end of the game, Dawn’s score increases by 21. What is Dawn’s score at the

end of the game? Show your work.
Mathematics
1 answer:
Elina [12.6K]3 years ago
4 0

Answer:

4

Step-by-step explanation:

-17 + 21 is the same thing as 21 - 17, and 21 - 17 is 4

hope this helps! :D

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Which is the side length of a cube with a volume of 125 m3?
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The formula for the volume of a cube is:

V = a^3

Plug in what we know:

125 = a^3

Cube the other side:

a = \sqrt[3]{125}
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If i have 37 test and i do 12 test a week how many weeks its gonna take
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Step-by-step explanation:

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kotykmax [81]

Answer:

The first Answer is five because four times five plus ten is 30 and fives times six is 30

The second answer is X equals 3 because if you plug in 11x for y then add that to the existing x you get 12 and if you divide 36 by 12 you get 3

Step-by-step explanation:

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Two sides of a triangle measure 15 inches and 18 inches, respectively. Which of these is NOT a possible length for the third sid
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What is the factored form of the expression?<br><br> d^2 = 36d + 324
Veseljchak [2.6K]

Answer:

(x-43.45)(x+7.45)=0

Step-by-step explanation:

We have the quadratic equation d^{2}=36d+324  i.e. d^{2}-36d-324=0

As, the roots of the quadratic equation ax^{2}+bx+c=0 are given by x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}.

So, from the given equation, we have,

a = 1, b = -36 , c = -324.

Substituting the values in x=\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}, we get,

x=\frac{36\pm \sqrt{(-36)^{2}-4\times 1\times (-324)}}{2\times 1}

i.e. x=\frac{36\pm \sqrt{1296+1296}}{2}

i.e. x=\frac{36\pm \sqrt{2592}}{2}

i.e. x=\frac{36\pm 50.9}{2}

i.e. x=\frac{36+50.9}{2}  and x=\frac{36-50.9}{2}

i.e. x=\frac{86.9}{2}  and x=\frac{-14.9}{2}

i.e. x = 43.45 and x = -7.45

Thus, the roots of the equation are 43.45 and -7.45.

Hence, the factored form of the given expression will be (x-43.45)(x+7.45)=0

3 0
3 years ago
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