3 years ago

4 students is what percent of 20 students

Mathematics

2 answers:

Gala2k [10]3 years ago

3 0

The answer is 5 percent.

sertanlavr [38]3 years ago

3 0

20 / 4 = 5

The answer is 5.

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5^2x * 5^3 =5^9 what is x please help

erastovalidia [21]

Answer:

x = 3

Step-by-step explanation:

${5}^{2x} \ast {5}^{3} = {5}^{9} \\ {5}^{2x + 3} = {5}^{9} \\ 2x + 3 = 9 \\ (bases \: are \: equal \: so \: exponents \: will \: also \: \\ be \: equal) \\ 2x = 9 - 3 \\ 2x = 6 \\ x = \frac{6}{2} \\ \huge \red { \boxed{x = 3}}$

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3 years ago

Find the lcm of 9 and 27

ELEN [110]

Answer:

The answer you are looking for is 27.

Step-by-step explanation:

The reason is because 27 is the 3rd multiple of 9.

7 0

3 years ago

Read 2 more answers

Help pls, will choose brainliest if explanation is provided

Nookie1986 [14]

Answer:

$solve \: when \: (f + g) \:(4) \\ \\ first \: solve \: for \: f(x) \\ \: \\ solution \: .... \\ \\ f(x) = 4x - 3 \\ f(4) = 4(4) - 3 \\ f(4) = 16 - 3 \\ f(4) = 13 \\ \\ \\ now \: solve \: for \: g(x) \\ \: \\ solution \: .... \\ \\ g(x) = {x}^{3} + 2x \\ g(x) = {(4)}^{3} + 2(4) \\ g(x) = 64 + 8 \\ g(x) = 72 \\ \\ (f) - (g) = 13 - 72 \\ (f) -(g) = -59$

8 0

3 years ago

A cone has a height of 12 millimeters and a radius of 10 millimeters. What is it’s volume. Use 3.14 and round to the nearest hun

olchik [2.2K]

I need points so I can ask my question hope you get your answer

5 0

3 years ago

Choose the equation below that represents the line passing through the point (-3,-1) with a slope of 4.

Bingel [31]

Y = mx + b
slope(m) = 4
(-3,-1)...x = -3 and y = -1
now we sub...we r looking for b, the y int.
-1 = 4(-3) + b
-1 = -12 + b
-1 + 12 = b
11 = b

so ur equation is : y = 4x + 11

8 0

3 years ago