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3 years ago

-7x + 7 ≤ -56 in a word poblem

Mathematics

1 answer:

Gelneren [198K]3 years ago

6 0

Answer:

x $\geq$ 9

Step-by-step explanation:

-7x $\leq$ - 63

7x $\geq$ 63

x $\geq$ 9

Tell me if I am wrong.

Can I get brainliest.

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Please help I found this confusing

tresset_1 [31]

Answer:

Height = 7 meters

Step-by-step explanation:

Equation:

To work out the height, you need to know the formula for the volume of a cone which is:

$V=\frac{1}{3} \pi r^2h$

Explaining variables:

$\pi$ - mathematical constant.

$r$ - radius of the cone

$h$ - height of the cone

$V$ - volume of the cone

Working out the height:

We are looking for the height, so let's re-arrange the equation.

$h=\frac{3V}{\pi r^2}$

We are given the height, volume and diameter.

To work out the radius we have to know that $d=2r$ . So the radius is $\frac{12}{2} =6$ m.

Now let's put everything in the equation for the height to work it out.

$h= \frac{3 * 264}{(6)^2\pi } =\frac{792}{113.04}=7$ meters.

Therefore, the height of the cone is 7 meters.

6 0

3 years ago

Which of the following are true statements?

MArishka [77]

Answer: Option A and Option B.

Step-by-step explanation:

You need to remember the logarithms properties:

$log(a)+log(b)=log(ab)\\\\log(a)-log(b)=log(\frac{a}{b})\\\\log(a)^b=b*log(a)$

You can observe in Option A:

$logM^p=p*logM$ (This is true)

You can observe in Option B:

$logM+logN=log(MN)$ (This is true)

You can observe in Option C:

$logM-logN=log(M-N)$ (This is not true)

You can observe in Option D:

$(logM)^p=p*logM$ (This is not true)

6 0

3 years ago

Bonnie is adding a ribbon border to the edge of her kite. Two sides of the kite measure 13.2 inches, while the other two sides m

OLEGan [10]

Answer:

Bonnie needs $67.8\ in$ of ribbon

Step-by-step explanation:

we know that

A Kite is a quadrilateral that has two pairs of equal sides

To find out how much ribbon Bonnie needs calculate the perimeter of the kite

$P=2(L1+L2)$

where

L1 is the length of one side

L2 is the length of the other side

$P=2(13.2+20.7)=67.8\ in$

7 0

3 years ago

4 * 4 * 4 * 5 * 5<br> help please

yarga [219]

Answer:

=1600

Step-by-step explanation:

=4*4*4*5*5

=16*4*25

=64*25

=1600

Hope this helps, have a nice day/night! :D

4 0

3 years ago

The school band is having a car wash to raise money. There goal is to collect $150. So far they have earned $10 each from three

Lady bird [3.3K]

They’ve already earned $105 so they need $45 more to reach their goal

4 0

3 years ago