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Grace [21]
3 years ago
15

Evaluate the expression into simplest form

Mathematics
1 answer:
sattari [20]3 years ago
5 0
Work  out  the top subtraction first:

3/9 -  8/12

= 1/3 - 2/3

= 1/3


and the bottom part:-

3/8 * 2 = 6/8 = 3/4

so now we divide -1/3 by 3/4

= -1/3 * 4/3  = -4/9

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Shkiper50 [21]

Answer:

Convert  15 %  to a decimal.  

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3 0
2 years ago
lighting if a 25-foot-tall house cast a 75-foot shadow at the same time that a streetlight casts a 60-foot shadow how tall is th
jolli1 [7]

Answer:

The street light is 20 feet tall.

Step-by-step explanation:

This question depends on a proportion. Keep your height of the object in one ratio and the length of the shadow in the other.

25/x = 75/60      Notice the height of the structure is on the left. The length of the shadow is on the right. Cross multiply

75x =  60 * 25     Combine the right

75x = 1500          Divide by 75

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The street light is 20 feet tall.

3 0
2 years ago
Rewrite with only sin x and cos x.
aivan3 [116]

Answer:

cos x (2 sin x − 1)

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Use double angle formula.

2 sin x cos x − cos x

Factor.

cos x (2 sin x − 1)

5 0
2 years ago
Angle Measurements
Naddik [55]

Answer:

X = 11

Complementary angles

Step-by-step explanation:

Complementary angles are when two angles add up to 90 degrees.

3x + 10 + 47 = 90

3x + 10 = 43

3x = 33

x = 11

4 0
3 years ago
How to find the answer
Shalnov [3]

its 90 measurement CBG (I think) is corresponding to measurement DAE

7 0
2 years ago
Read 2 more answers
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