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Whitepunk [10]
3 years ago
11

5x ^ 2 if x equals negative 2

Mathematics
2 answers:
amm18123 years ago
8 0
5(-2)^2
-10^2
100
Negative times a negative is a positive
Lady bird [3.3K]3 years ago
6 0

Answer:

-100

Step-by-step explanation: -10^2

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a rectangular prism has a volume of 1374.28 cubic inches.The prism is 9.4 inches wide and 17.2 inches long.What is the height of
NISA [10]
The volume V of a prism can be found by:
The volume of a rectangular prism can be found through:
V=lwh
Where l is the length, w is the width, and h is the height.

The height can be found by rearranging the equation to:
h= \frac{V}{wl}

Take the volume (1374.28) and divide it by the length times the width (9.4*17.2=161.68).
1374.28/161.68= 8.5 inches is the height of the prism.
6 0
3 years ago
The expression d/t can be used to find the average speed of an object that travel a distance d in time t. What is sc cars averag
Firlakuza [10]
You just divide the distance travelled by the time like so: 145mi/2.5h and get 58mph. You can convert the 145mi into meters and 2.5h into seconds (145mi is approximately 233345m; 2.5h is 9000 seconds) and get an approximate speed of 26m/s if you want to convert to SI units.
4 0
3 years ago
Suppose x=18,y=24, and z=30 in the figure, which is not drawn to scale. Determine the following values. Enter exact answers (as
sammy [17]

Answer:

See explanation

Step-by-step explanation:

cos(θ)= 18/30 = 3/5

sin(θ)= 24/30 = 4/5

tan(θ)= 24/18 = 4/3

cos(ϕ)= 24/30 = 4/5

sin(ϕ)= 18/30 = 3/5

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3 0
3 years ago
3. There are 24 girls and 36 boys in Yuki's
Natasha2012 [34]

Answer:

a) 24:36 simplified: 2:3

b) 40%

c) 1%

Step-by-step explanation:

b) total people:

24 + 36= 60

24/60 = 0.4 40%

c) 1/60 = 0.01

01%

5 0
3 years ago
Rectangle, Square, or Rhombus?
saveliy_v [14]

Answer:

maybe rhombus

Step-by-step explanation:

don't take my word for it

4 0
2 years ago
Read 2 more answers
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