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2 years ago

I don’t get this work I can’t solve it

Mathematics

2 answers:

AnnyKZ [126]2 years ago

6 0

Answer:

Step-by-step explanation: the answer is -13, first you take the multiplication part so 1 times -6 and that’s -6, and the you take it in the correct order from left to right as usual, first -7+ 1 to get -6 and then + -1 to get -7. Then you take -7+ -6 and that’s - 13

Darina [25.2K]2 years ago

3 0

Answer:

Step-by-step explanation:

-7+1+ -1 * -6

Using PEMDAS, we multiply and divide first

-1*-6 = 6

Then we add and subtract from left to right

-7+1+ 6

-6+6 =0

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).

masya89 [10]

Answer:

$40\pi \ m^{2}$

Step-by-step explanation:

we know that

The area of a circle is equal to

$A=\pi r^{2}$

In this problem we have

$r=10\ m$

Substitute and find the area

$A=\pi (10)^{2}=100 \pi\ m^{2}$

Remember that

$360\°$ subtends the area of complete circle

by proportion

Find the area of the shaded regions

The central angle of the shaded regions is equal to $2*72\°=144\°$

$\frac{100\pi }{360} \frac{m^{2}}{degrees} =\frac{x }{144} \frac{m^{2}}{degrees} \\ \\x=144*100\pi /360\\ \\ x=40\pi \ m^{2}$

6 0

2 years ago

Write and equation of the line below

blondinia [14]

Answer:

y = 1/4x + 0 or just y = 1/4x

Step-by-step explanation:

First I need the slope so I look at the dots and see how much boxes it goes up and then to the side. So it’s up 2 to the side 8. The slope would be 2/8 but you can simply it by 2 and you get 1/4. And the y intercept is given its zero.

4 0

2 years ago

1489 x 390 + 65 /2 =<br> plz put the answer in word form and explain how u got this answer

Oksanka [162]

Answer:

580742.5, in words: five hundred eighty thousand seven hundred forty-two and a half.

Multiply: 1489 * 390 = 580710

Divide: 65 / 2 = 32.5

Add: 580710+32.5 = 580742.5

4 0

2 years ago

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