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3 years ago

8

Liz the string is for 6 yards long and Jay's string is 57's yard long Hooshang is longer drive a number line tomorrow the length

of both strings

1 answer:

Stolb23 [73]3 years ago

8 0

3 6 9 12
<--------->
15 18 21

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Alex and Charlene are playing a card game, where each card has a value, he has a total of -16.5 points . What was his cards valu

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-8.25 i know this because i divided it by two

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4 years ago

5. You answered 21 out of 25 questions correctly on a test. Did you reach your goal of getting at least 80%?

hichkok12 [17]

Answer:

You scored more than 80 %

Step-by-step explanation:

21/25

We need to change this to a decimal, then to a percent

21/25 *4/4 = 84/100

This is out of 100 so it is 84%

84>80.

You scored more than 80 %

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4 years ago

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The polynomial below is a perfect square trinomial of the form A2 - 2AB + B2.

sertanlavr [38]

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3 years ago

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Graph a line with a slope of 3/4 that contains the point (2,-3).

mel-nik [20]

Answer:

Start at the y-intercept (0, -4.5) and then use rise over run (Up 3 and right 4)

Step-by-step explanation:

y - y1 = m(x - x1)

y + 3 = 3/4(x - 2)

y + 3 = 3/4x - 3/2

y = 3/4x - 9/2

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3 years ago

Find the missing side lengths. Leave your answers as radicals in simplest form.

tankabanditka [31]

Answer:

A.

$x = \frac{7\sqrt{6}{3}$

$y = \frac{7\sqrt{6}}{3}$

Step-by-step explanation:

Reference angle = 60°

Opposite = $\frac{7\sqrt{2}}{2}$

Hypotenuse = x

Adjacent = y

✔️To find x, apply the trigonometric function SOH:

Sin 60° = Opp/Hyp

$sin 60° = \frac{\frac{7\sqrt{2}}{2}}{x}$

$\frac{\sqrt{3}}{2} = \frac{\frac{7\sqrt{2}}{2}}{x}$ (sin 60 = √3/2)

$\frac{\sqrt{3}}{2} = \frac{7\sqrt{2}}{2}*\frac{1}{x}$

$\frac{\sqrt{3}}{2} = \frac{7\sqrt{2}}{2x}$

Cross multiply

$\sqrt{3}*2x = 7\sqrt{2}*2$

$2\sqrt{3}*x = 14\sqrt{2}$

Divide both sides by 2

$\sqrt{3}*x = 7\sqrt{2}$

Divide both sides by √3

$x = \frac{7\sqrt{2}}{\sqrt{3}}$

Rationalize

$x = \frac{7\sqrt{2}*\sqrt{3}}{\sqrt{3}*\sqrt{3}}$

$x = \frac{7\sqrt{6}{3}$

✔️To find y, apply the trigonometric function TOA:

Tan 60° = Opp/Adjacent

$Tan 60° = \frac{\frac{7\sqrt{2}}{2}}{y}$

$\sqrt{3} = \frac{\frac{7\sqrt{2}}{2}}{y}$ (tan 60 = √3)

$\sqrt{3} = \frac{7\sqrt{2}}{2}*\frac{1}{y}$

$\sqrt{3} = \frac{7\sqrt{2}}{2y}$

Cross multiply

$\sqrt{3}*2y = 7\sqrt{2}$

$2\sqrt{3}*y = 7\sqrt{2}$

Divide both sides by √3

$y = \frac{7\sqrt{2}}{\sqrt{3}}$

Rationalize

$y = \frac{7\sqrt{2}*\sqrt{3}}{\sqrt{3}*\sqrt{3}}$

$y = \frac{7\sqrt{6}}{3}$

4 0

3 years ago