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borishaifa [10]
3 years ago
15

(−2/3) x (5/4) = test pls help

Mathematics
2 answers:
serious [3.7K]3 years ago
8 0

Answer:

The answer is -5/6

Step-by-step explanation:

in pic

(hope this helps can I pls have brain list (crown) ☺️

frosja888 [35]3 years ago
3 0
First, you’d get (-2 over 3)x 1.25
Next, it’ll be (-2 over 3) x 5 over 4
Then it’ll be -1 over 3 x 5 over 2,
Multiply and your final answer will be -5 over 6, or 0.83333…
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A vehicle factory manufactures cars. The unit cost C (the cost in dollars to make each car) depends on the number of cars made.
likoan [24]

Answe(0.5x²-180x+25,885= 47,925.25

Step-by-step explanation:

x=1

8 0
1 year ago
One of the skylights on the roof of Bianca’s building is in the shape of the solid below.
luda_lava [24]

Answer:

588 sq. in.

Step-by-step explanation:

The total volume of air inside the skylight is in the shape of a pyramid, not the rectangular prism at the bottom.

So, if we look at the pyramid, it has a square base with dimensions 14 x 14. Its height is 11 - 2 = 9.

Formula for volume of a pyramid is:

V = 1/3 * Area of Base * height

Area of Base (since it is a square) = 14 * 14 = 196

Height is 9

<em>plugging into the formula, we get:</em>

<em>V=\frac{1}{3}*BaseArea*height\\=\frac{1}{3}*196*9\\=588</em>

<em />

<em>Hence, volume is 588 sq. in.</em>

8 0
3 years ago
3/4 (184+t) =237 what is t?
Iteru [2.4K]

Answer:

t = -6.25

Step-by-step explanation:

3/4 (184+t) =237

multiply by 3/4

184 + t =  177.75

subtract 184

t = -6.25

8 0
2 years ago
Simplify (4 √ 14 + 4 √ 10 ) ( 3 √ 7 − 4 √ 5 )
Iteru [2.4K]

Answer:

4 sqrt(2) - sqrt(70)

Step-by-step explanation:

Simplify the following:

(4 sqrt(14) + 4 sqrt(10)) (3 sqrt(7) - 4 sqrt(5))

Factor 4 out of 4 sqrt(14) + 4 sqrt(10) giving 4 (sqrt(14) + sqrt(10)):

4 (sqrt(14) + sqrt(10)) (3 sqrt(7) - 4 sqrt(5))

(sqrt(10) + sqrt(14)) (3 sqrt(7) - 4 sqrt(5)) = sqrt(10) (-4 sqrt(5)) + sqrt(10)×3 sqrt(7) + sqrt(14) (-4 sqrt(5)) + sqrt(14)×3 sqrt(7) = -20 sqrt(2) + 3 sqrt(70) - 4 sqrt(70) + 21 sqrt(2) = sqrt(2) - sqrt(70):

Answer:  4 sqrt(2) - sqrt(70)

4 0
3 years ago
What represents the period of the sine function represented in the graph?
Kisachek [45]

Answer:

D. pi

Step-by-step explanation:

7 0
3 years ago
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