All categories

3 years ago

Brainliest + 20pnts - please help

Mathematics

1 answer:

Bingel [31]3 years ago

6 0

The correct answer is d. 75.

To find this we need to use the area of a circle formula for both targets. The area formula is below.

A = pi*r^2

First we find the area for the bigger target

A = pi*7^2

A = 49*pi

Then we find it for the smaller target

A = pi*5^2

A = 25*pi

Now we subtract the smaller from the larger.

49*pi - 25*pi = 24*pi or about 75

You might be interested in

Laura received a box of chocolates for her birthday. The chocolates in the box have five different fillings. The table below sho

Kitty [74]

In this question we are asked to find the ratio of the number of chocolates which Lauren liked and the total of chocolates.

We know she doesn't like coconut and toffee, so she likes caramel, mint and cherry. When we count the ones she liked, we got $16+12+14=42$ .

When we add to find how many chocolates are there, we got $16+10+12+14+8=60$ .

To find the ratio we need to divide the first one and the second one: $\frac{42}{60} = \frac{7}{10} = 0.7$ is our probability.

7 0

3 years ago

A scientist listed the volumes, in milliliters, of some liquids used in an experiment.

Aloiza [94]

Answer:

B) 1.078 < 1.23 (T)

Step-by-step explanation:

A) 1.23 < 1.203 (F)

B) 1.078 < 1.23 (T)

C) 1.17 > 1.203 (F)

D) 1.078 > 1.17 (F)

4 0

3 years ago

Read 2 more answers

-2<3 multiple each side by -5 what is the resulting inequality

fgiga [73]

Answer:

$\boxed{10>-15}$

Step-by-step explanation:

$-2$

Multiply each side by -5.

$-2 \times -5$

Switch signs when multiplying or dividing by a negative integer.

$10>-15$

8 0

3 years ago

Read 2 more answers

Ng ne Volume of a Cone

AnnyKZ [126]

Answer: height = 6, radius = 8, Volume = 401.92

Explanation:
Height = 6 given

Find radius:

Use Pythagorean’s theorem to find the side of the right triangle:

a^2 + b^2 = c^2
b^2 = c^2 - a^2
b^2 = 10^2 - 6^2
b^2 = 100-36
b^2 = 64
b = 8

And since length b is also the radius of the circle then radius = 8

Find volume:

V = pi x r^2 x h/3

V = 3.14 x 8^2 x 6/3

V = 3.14 x 64 x 2

V = 401.92

6 0

3 years ago

$(x) = -22 +22. - 114

galina1969 [7]

Answer:

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers