Help needed I really need the help

Answer:

20

Step-by-step explanation:

80% of 25 is 20, even if you put it into a calculator

Answer:

my nut is ytellow

Step-by-step explanation:

Answer:

Correct Answer is B

Step-by-step explanation:

y-4=6

+4. +4

y=10

Answer:6

Step-by-step explanation:

Answer:

Step-by-step explanation:

(xy)^9=x^9y^9

Answer:

C.

Step-by-step explanation:

just took the test

Answer:

3/2

Step-by-step explanation:

Answer:

3/2

Step-by-step explanation:

Answer:

u can have max of 3 with remainder of 3

Step-by-step explanation:

Hence, the different groups of [tex]5[/tex] can be formed from the [tex]18[/tex] volunteers is

[tex]^{18}C_5=205632[/tex].

What is the permutation and combination?

Permutation and Combination form the principles of counting and they are applied in various situations.

A permutation is a count of the different arrangements which can be made from the given set of things. In permutation the details matter, as the order or sequence is important.

Here given that,

A blood bank needs [tex]5[/tex] people to help with a blood drive. [tex]18[/tex] people have volunteered.

So,

[tex]^nC_r=\frac{n!}{r(n-r)!}[/tex]

Here [tex]n=18, r=5[/tex]

Then

[tex]^{18}C_5=\frac{18!}{5(18-5)!}\\\\^{18}C_5=\frac{18!}{5(13)!}\\\\^{18}C_5=\frac{(18)(17)(16)(15)(14)(13)}{5(13)}\\\\^{18}C_5=\frac{(18)(17)(16)(15)(14)}{5}\\\\^{18}C_5={(18)(17)(16)(3)(14)}\\\\^{18}C_5=205632[/tex]

Hence, the different groups of [tex]5[/tex] can be formed from the [tex]18[/tex] volunteers is

[tex]^{18}C_5=205632[/tex].

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Answer:

output for 2.35 is 13.4

output for 42 is 172

Step-by-step explanation:

This is quite simple really. You just add 1 to the number in the input box, then multiply that number by 4. For example: 42 + 1 = 43,  43 * 4 = 172.

Answer:

B.

Step-by-step explanation:

For √160, I get the answer:

12.64911064067352

Or

13^2 = 169

so answer

The best approximation for the value of √160:

C. 13

Answer:

$77.12

Step-by-step explanation:

72.75*0.06 which is 77.12.

Hope this helps plz mark brainliest :D

Answer:

just add extra things to make it at least 20 charecters like below

Example:

(spaces) [your text] (spaces)                          

Answer:

A

Step-by-step explanation:

h determines how much d she will get and hence B and D are wrong

independent variable means the cause

dependent variable means the effect

3/4 = 0.75

0.75 * 200 = 150

The simplified form of the given expression is 150.

Given that, 3/4 ×200.

Decimals are one of the types of numbers, which has a whole number and the fractional part separated by a decimal point. The dot present between the whole number and fractions part is called the decimal point.

Here, 3/7 =0.75

So, 0.75 ×200

= 150

Hence, the simplified form of the given expression is 150.

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Answer: i am pretty sure its B

Step-by-step explanation:

Answer:

Step-by-step explanation:

5/12

2/5

Yes they are proportion.

The first one 25/60 means both the 5 and 12 can be multiplied by 5 to get the 25/60.

The second one 8/20 means that both the 2 and 5 can be multiplied by 4 to get the 8/20.

Answer:

3RD ONE

Step-by-step explanation:

Answer:

it be the last one since u go right it is adding so it would be (-5,3)

Step-by-step explanation:

f(x) = x - 1

g(x) = 2x

To compute g(f(x)), replace every instance of x in the definition of g(x) with f(x). This would given you

g(f(x)) = g (x - 1) = 2 (x - 1) = 2x - 2

The answer is 48 days

.................period

Answer:they're both the same size if you put them both in a line

Step-by-step explanation:because each one has four balls in each container so they the same size

What graph? No graph given.

Answer:

This equation is in standard form, so to make graphing easier you need to put it in y=mx+b form or slope, intercept form.

Step-by-step explanation:

I have attached a photo of what the graph would look like.

However, in the future you should know how to turn this into a slope intercept equation.

-2x+7y=-21

+2x        +2x

7y=2x-21

divide the entire equation by 7

y= 2/7x-3

That is a full equation in slope intercept form.

Hopefully this helps!

The graph of the linear equation -2x + 7y = -21 is a line passing through the points (0, -3) and (10.5, 0) which is given below.

Given a linear equation:

-2x + 7y = -21

It is required to graph the linear equation.

In order to graph this, first, it is required to find the points through which it passes.

Substitute x = 0.

7y = -21

y = -3

So, the line passes through (0, -3), which is the point where the line touches the y-axis.

Substitute y = 0.

-2x = -21

x = 10.5

So, the line passes through (10.5, 0), which is the point where the line touches the x-axis.

Draw a line passing through these points. This is the graph.

Hence, the line passes through the points (0, -3) and (10.5, 0).

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Answer:

x= -2, 2

Step-by-step explanation:

Answer:

Use the pythagorian theorm

Step-by-step explanation:

Answer:

x = 15/2

Step-by-step explanation:

the smaller triangle missing side by using pythagorean theorem

a^2 + b^2 = c^2

4^2 + b^2 = 5^2

b^2 = 25-16=9

b=3 the missing leg for the small triangle;

now use proportionality by saying [tex]\frac{4}{6}[/tex] = [tex]\frac{3}{y}[/tex]; where y is the one leg in the larger triangle

y = 6*3/4 = 9/2

use pythogorean theorem again

a^2 + b^2 = x^2

6^2 + (9/2)^2 = x^2

36 + 81/4 = x^2

144/4 + 81/4 = x^2

225/4 = x^2

x = 15/2

Answer:

25

[tex] {15}^{2} + {20}^{2} = 625 [/tex]

[tex] \sqrt{625} = 25[/tex]

Answer 25

Explantion : 15^2+20^2=c^2 255+400=c^2

divide x625 = 25

Answer:

< S = 32

Step-by-step explanation:

< S = 180 - (< R + < T)

< R = < T

15x - 31 = 9x + 11

6x = 42

x = 7

< R = 74

< S = 180 - (74 + 74)

< S = 180 - 148

< S = 32

Answer:

p = 8

Step-by-step explanation:

17 = 3 ( p - 5 ) + 8

Distribute

17 = 3p - 15 + 8

Simplify

17 = 3p - 7

Inverse operations

17 = 3p - 7

+7         +7

24 = 3p

/3    /3

8 = p

Answer:

[tex]p=8[/tex]

Step-by-step explanation:

First you need to distribute the 3 with the values in the parentheses.

[tex]3*p= 3p\\3*-5=-15[/tex]

[tex]17=3p-15+8[/tex]

Then combine like terms...

[tex]17=3p-7\\17+7=3p-7+7\\24=3p\\\33p= 24[/tex]

Divide by 3 to get the variable by itself.

[tex]\frac{3p}{3}=\frac{24}{3}\\p=8[/tex]