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Black_prince [1.1K]
3 years ago
8

What is -3 (x-8)=87​

Mathematics
2 answers:
horsena [70]3 years ago
6 0

x= -21

Step-by-step explanation:

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AfilCa [17]3 years ago
5 0

Answer:

x=-21

Step-by-step explanation:

-3(x-8)=87​

-3x+24=87

-3x=63

x=-21

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On a test, George was asked to find the square root of 0.45.
Natali5045456 [20]

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Step-by-step explanation:

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3 years ago
A recipe requires 3/4 of a cup of flour.
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<h2>168.75 g</h2>

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8 0
3 years ago
In ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45. What is the value of the cosine of ∠X to the nearest hundredth?
kotegsom [21]

The value of ∠X = 58.11°, If ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45.

Step-by-step explanation:

The given is,

                   In ΔWXY, ∠Y=90°

                        XW = 53

                         YX = 28

                        WY = 45

Step:1

             Ref the attachment,

             Given triangle XWY is right angled triangle.

             Trigonometric ratio's,

                              Cos ∅  = \frac{Adj}{Hyp}    

             For the given attachment, the trigonometric ratio becomes,

                              Cos ∅  = \frac{XY}{XW}.....................................(1)

             Let, ∠X = ∅

             Where, XY = 28

                         XW =  53

             Equation (1) becomes,

                                 Cos ∅  = \frac{28}{53}

                                 Cos ∅ = 0.5283

                                        ∅ = cos^{-1} (0.5283)

                                        ∅ = 58.109°

Result:

          The value of ∠X = 58.11°, If ΔWXY, the measure of ∠Y=90°, XW = 53, YX = 28, and WY = 45.

             

4 0
3 years ago
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