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1 year ago

Please help its a quiz Click this is with picture

Mathematics

2 answers:

LenKa [72]1 year ago

5 0

Answer:

-16

Step-by-step explanation:

I just 23 - 7 at first and you'll get 16 but change 16 to a negative and tada ur done.

Bogdan [553]1 year ago

3 0

Answer:

-16

Step-by-step explanation:

Subtract the afternoon temperature from the evening temperature

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3 years ago

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

sattari [20]

Answer:

see explanation

Step-by-step explanation:

To find x use the sine ratio in the right triangle and the exact value

sin60° = $\frac{\sqrt{3} }{2}$ , then

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{14\sqrt{3} }{x}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

x $\sqrt{3}$ = 28 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

x = 28

-----------------------------------------------------------

To find y use the tangent ratio in the right triangle and the exact value

tan60° = $\sqrt{3}$ , then

tan60° = $\frac{opposite}{adjacent}$ = $\frac{14\sqrt{3} }{y}$ = $\sqrt{3}$ ( multiply both sides by y )

14 $\sqrt{3}$ = y $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

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3 years ago

Write the first five terms of the geometric sequence in which a1=8 and the common ratio is -1/2.

Oliga [24]

Answer:

First five terms are:

8 , (-4) , 2 , (-1) , (1/2)

Step-by-step explanation:

$a_{1}=8 \\\\r = \frac{-1}{2}\\\\a_{2}=\frac{-1}{2}*a_{1}= \frac{-1}{2}*8= -4\\\\a_{3}=\frac{-1}{2}*a_{2}=\frac{-1}{2}*-4=2\\\\a_{4}=\frac{-1}{2}*a_{3}=\frac{-1}{2}*2=-1\\\\a_{5}=\frac{-1}{2}*a_{4}=\frac{-1}{2}*-1=\frac{1}{2}$

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2 years ago

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Molodets [167]

Answer:

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Step-by-step explanation:

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2 years ago

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PLEASE HELP!!! <br> show work if possible!:)

satela [25.4K]

Answer:

The answer to your question is y = 2x + 11

Step-by-step explanation:

Data

Original line y = -(1/2)x + 5

Point (-4, 3)

Process

1.- Get the slope of the new line

- Slope of the original line = -1/2

If the lines are perpendicular, the slopes must be reciprocal

-1/2 reciprocal = 2

2.- Get the equation of the new line

y - y1 = m(x - x1)

y - 3 = 2(x + 4)

- Simplification

y - 3 = 2x + 8

- Solve for y

y = 2x + 8 + 3

y = 2x + 11

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2 years ago

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