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dimulka [17.4K]
3 years ago
11

Sheri ended the game with -8.5 points in a trivia

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
3 0

Answer:

- 2.25

Step-by-step explanation:

Did the math lol

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Base of triangle exceeds the height by 4. If the area is 178.5 square inches, find the length of the base and the height of the
xxMikexx [17]
Area of a triangle:
A= (1/2)(bh)

In this problem we are given:
A= 178.5 in^{2}
b= h+4 in
h= UNKNOWN ("h")

Plug in our values into the area equation and solve for "h":
A= \frac{1}{2} bh
178.5 = \frac{1}{2} ((h+4)h) (multiply each side by 2 to get rid of the 1/2)
357 =  ((h+4)h)
357 =  h^{2} +4h
0=  h^{2} +4h -357
(357/21=17)
0= (h+21)(h-17) (solve both inequalities separately)

0= (h+21)
-21= h ( a negative height is not possible so, this answer is incorrect.)

0=(h-17)
h=17 in

Answer: base = (h+4)= (17+ 4) b= 21 in h= 17in


Please comment with any further questions! :)

5 0
3 years ago
Represent the following expressions as a power of the number a where a ‡0.
Yuri [45]

Properties we are going to use :
1. (a^m)^n = a^mn
2. a^m : a^n = a^(m-n)

((a^-2)^-1)^-1 = (a^(-2 x -1))^-1 = (a^2)^-1 = a^-2

(a : a^-1)^2 = (a^1 - (-1))^2 = (a^2)^2 = a^4

Therefore, the expression is simplified down to a^-2 : a^4

a^-2 : a^4 = a^(-2 - 4) = a^-6.

3 0
1 year ago
Maya's fish tank has 17 liter of water in it. She plans to add 4 liters per minute until the tank has at least 53 liters. What a
Xelga [282]

Answer: you know it’s 9mins but Im not sure how I should make the equation probably I think (53= 9T + 4)

Step-by-step explanation:

8 0
2 years ago
What is the distance between (7, 8) and (-8, 0) on the coordinate grid?
MissTica

Answer: Are you asking for slope?

Step-by-step explanation:

8-0 = 8

7-(-8) = 15

8/15

6 0
3 years ago
Deborah bought a computer for 25% off the list price. If the list price is $2,428, how much did Deborah spend?
kow [346]
It is
607 because 607x4 is 2,428
5 0
3 years ago
Read 2 more answers
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