2 years ago

I need help on number one please! Points!!!

Mathematics

1 answer:

ololo11 [35]2 years ago

4 0

Answer:

i cant see question one very much

Step-by-step explanation:

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If y=20 when x=8, whats the value of x when y=-2

lisabon 2012 [21]

Answer:

x=-4/5

Step-by-step explanation:

8/20=x/-2

simplify 8/20 into 2/5

2/5=x/-2

cross product

5*x=-2*2

5x=-4

x=-4/5

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3 years ago

How do You solve 2x-5=2x-6

faltersainse [42]

Step-by-step explanation:

2x-5=2x-6. First you collect like terms

2x-2x=-6+5

0=-1

This statement is false 0≠-1

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3 years ago

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Jerome bought 2 adult tickets and 7 student tickets for a play.How much did he spend?Show any equations used.Ticket pricesStuden

Stels [109]

From the information given,

Students ticket = $4

Adult ticket = $6

Let student ticket be x, and adult ticket be y.

This means;

$\begin{gathered} Cost=2y+7x \\ C=2(6)+7(4) \\ C=12+28 \\ C=40 \end{gathered}$

ANSWER:

The calculations show that Jerome spent a total of $40

3 0

1 year ago

A girl is on the beach and the angle of elevation from her feet to the top of a lighthouse is 62' If the lighthouse is 30ft tall

soldi70 [24.7K]

Answer:

15.95 feets

Step-by-step explanation:

Given that:

Angle of elevation = 62°

Using trigonometric relation :

Tanθ = opposite / Adjacent

From the drawing attached :

Opposite = 30 feets

Distance between girl and lighthouse = d

Tan 62 = 30 / d

1.8807264 * d = 30

d = 30 / 1.8807264

d = 15.951283

d = 15.95 feets

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3 years ago

Macy is making a border out of strips of wall boarder placed end to end along the 12-foot wall in her room. Each strip is foot l

3241004551 [841]

The answer is 4 let's make a equation to answer it 3*y=12 we need to get y simply multiply 1*3=3 2*3=66 is half way so we can double 2 to 4 4*3=12 so y=4. you only need 4 boards to complete the wall.

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3 years ago