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3 years ago

In the diagram, the measure of angle 9 is 85°

Mathematics

2 answers:

stiks02 [169]3 years ago

6 0

Answer: 11

Step-by-step explanation:

Vertically opposite angles

Alona [7]3 years ago

4 0

Answer: <11

Step-by-step explanation:

<9 and <11 are vertical angles, so they are congruent.

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Verdich [7]

Answer:

0/1 = 0

Step-by-step explanation:

0/1

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3 years ago

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What number divided by -7 is equal to -15

steposvetlana [31]

Answer:

$x = -105$

Step-by-step explanation:

What number divided by -7 is equal to -15

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x ÷ -7 = -15

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$\frac{x}{-7}=15$

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2 years ago

Leah wants to find 450 + 416 using place value. Write the smaller problems she could use to find the sum. then find the sum.

Gennadij [26K]

Answer:

866

Step-by-step explanation:

She could add the hundreds first: 400+400=800

Then the tens: 50+10=60

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And add them all up: 800+60+6=866

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3 years ago

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7 more than 6 times a number is negative forty seven what us the number

romanna [79]

Answer:

The number is -9.

Step-by-step explanation:

If we let the number be x we have the equation 6x + 7 = -47.

6x + 7 - 7 = -47 - 7

6x = -54

x = 054/6

x = -9.

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3 years ago

Someone please help! find x round to the nearest tenth! trigonometry!

TEA [102]

Answer:

Step-by-step explanation:

Look at the picture.

Use sine:

$sine=\dfrac{opposite}{hypotenuse}$

We have a measure of the angle and length of the opposite:

$\alpha=28^o,\ opposite=350\ ft$

$\sin28^o\approx0.4695$

Substitute:

$\dfrac{350}{x}=0.4695$

$\dfrac{350}{x}=\dfrac{4695}{10000}$ cross multiply

$4695x=3500000$ divide both sides by 4695

$x=\dfrac{3500000}{4695}\to x\approx745.5$

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3 years ago