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3 years ago

Which object has a mass of approximately 450 grams?

Mathematics

2 answers:

Lostsunrise [7]3 years ago

8 0

Football is your answer

Crazy boy [7]3 years ago

3 0

Answer:

Needle

Step-by-step explanation:

450 grams is less that a pound. And everything except a needle on this list is more than a pound. So your answer must be a needle. :)

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Are the ratios 20:16 and 5:4 equivalent?

emmasim [6.3K]

Answer:

Yes

Step-by-step explanation:

20:16

Reduce the ratio to lowest terms by dividing both numbers by 4.

20:16 = 5:4

Answer: Yes

5 0

2 years ago

Find the area of a circle with the circumference 18(pi)

JulsSmile [24]

Answer:

D 81 pi units^2

Step-by-step explanation:

The circumference of a circle is given by

C = 2 * pi *r

18 pi = 2 * pi *r

Divide each side by 2 * pi

18 pi / (2 pi) = 2 pi * r/ (2 pi)

9 = r

Now we can find the area. Area is given by

A = pi r^2

A = pi * 9^2

A = 81 pi units^2

5 0

3 years ago

Read 2 more answers

Given g(x) = -x + 3, solve for x when g(x) = -1.

cluponka [151]

Answer:

Step-by-step explanation:

It's ok! This is simple. Simply plug in your given values. Since g(x) = -1, plug that into the equation.

g(x) = -x + 3

g(-1) = -(-1) + 3

=1+3

7 0

3 years ago

In rectangle ABCD, point E lies half way between sides AB and CD and halfway between sides AD and BC. If AB=3 and BC=2, what is

Alex777 [14]

Answer:

<em>The area of the shaded region is 3.</em>

Step-by-step explanation:

Since point E lies halfway between AB and BC, the area of the shaded region (As) consists of two identical triangles with base equal to AB and height equal to half the measure of BC:

$A_s=2 * A_t$

Where At is the area of each triangle.

$\displaystyle A_t=\frac{AB*BC/2}{2}$

$\displaystyle A_t=\frac{AB*BC}{4}$

We know AB=3 and BC=2, thus:

$\displaystyle A_t=\frac{3*2}{4}=\frac{6}{4}$

Simplifying:

$\displaystyle A_t=\frac{3}{2}$

Finally:

$\displaystyle A_s=2 * \frac{3}{2}$

$A_s=3$

The area of the shaded region is 3.

Note the area of the shaded region is half the area of the rectangle.

3 0

3 years ago

$7.00 × 20 = $140 in 40 hours<br> any helps !

lilavasa [31]

Answer:

$280 in 40 hours!

(Just multiply)

6 0

3 years ago

Read 2 more answers