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3 years ago

Proportion is ________________

1 answer:

5 0

A part, share, or number in relative comparison to the whole. To be proportional means they are equal parts of the whole. In math, it would mean the same thing. A proportion is the named given to a statement where two ratios are equal.

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If 7x+3=24, find the value of -5 - 6x. a)-23 b)-7 c)1 d)17

OlgaM077 [116]

A. -23

If 7x plus 3 equals 24, X equals 3. -5 minus 6 time X(3) equals -23.

6 0

3 years ago

Carissa also has a sink that is shaped like a half sphere. The sink has a volume of 4000/ 3 * π in 3. One day, her sink clogged.

givi [52]

Answer:

Part a) 119 cups

Part b) 30 cups

Step-by-step explanation:

Part a)

step 1

Find the volume of the conical cup with a diameter of 4 in. and a height of 8 in

The volume of the cone (cup) is equal to

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

we have

$r=4/2=2\ in$ ----> the radius is half the diameter

$h=8\ in$

assume

$\pi =3.14$

substitute

$V=\frac{1}{3}(3.14)(2^{2})8=33.49\ in^3$

step 2

Find out how many cups of water must Carissa scoop out of the sink

Divide the volume of the sink by the volume of the cup

$\frac{4,000}{33.49}= 119\ cups$

Part b)

step 1

Find the volume of the conical cup with a diameter of 8 in. and a height of 8 in

The volume of the cone (cup) is equal to

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

we have

$r=8/2=4\ in$ ----> the radius is half the diameter

$h=8\ in$

assume

$\pi =3.14$

substitute

$V=\frac{1}{3}(3.14)(4^{2})8=133.97\ in^3$

step 2

Find out how many cups of water must Carissa scoop out of the sink

Divide the volume of the sink by the volume of the cup

$\frac{4,000}{133.97}= 30\ cups$

7 0

3 years ago

What’s the mean for the data set below? 12, 15, 10, 11

Darina [25.2K]

Answer:

48÷4=12

Answer is 12

Step-by-step explanation:

Add them together and divide by the numbers of (things)

3 0

1 year ago

Read 2 more answers

What is the common ratio for 128, 96, 72, 54,....

VLD [36.1K]

Answer:

Step-by-step explanation:

r=96/128=3/4

7 0

2 years ago

12 girls in a class of 15 girls have short hair and the rest have long hair . What percent of the girls has long hair ?

kati45 [8]

Step-by-step explanation:

long hair

15 - 12 = 3

long hair percentage

= 3 ÷ 15 × 100

= 20%

4 0

2 years ago