Mathematics High School

n-4=20
What is the answer.?

Answers

Answer 1

Answer:

n=24

Step-by-step explanation:

add 4 to both sides

Answer 2

Answer:

n =24

Step-by-step explanation:

[tex]n-4=20\\\\\mathrm{Add\:}4\mathrm{\:to\:both\:sides}\\n-4+4=20+4\\\\Simplify\\\\n = 24[/tex]

Related Questions

Evaluate 0.1m + 8- 12n when m=30 and n = 1/4 answer

Answers

Answer:

Step-by-step explanation:

Original equation:

0.1m + 8 - 12n

Plug in the values of m and n

0.1(30) + 8 - 12(0.25)

Multiply.

0.1 x 30 = 3

3 + 8 - 12(0.25)

Multiply.

-12 x 0.25 = -3

3 + 8 - 3

Add.

3 + 8 = 11

11 - 3

Subtract.

11 - 3 = 8

Hope I helped :)

Please consider Brainliest :)

Lisa is collecting data by interviewing people on the streets. She
interviewed 21 people in 3 hours.
At this rate, what is the total number of the people she interviewed if
she works for an additional 2 hours?

Answers

Answer:35 you are welcome

Step-by-step explanation:

Henry makes $12.50 per hour for the first 40 hours he works in a week. For 5 points
each additional hour he makes $18 per hour. How much did he make if he
worked 44 1/2 hours last week? *

Answers

Answer:

He made $581 if he worked 44 1/2 hours last week

Step-by-step explanation:

Let us solve the question

∵ Henry makes $12.50 per hour for the first 40 hours

∵ For each additional hour, he makes $18 per hour

→ We need to find how much he made if he worked 44 1/2 hours

→ At first, find his earning for the first 40 hours

∵ His earning in the first 40 hours = 40 × 12.50

∴ His earning in the first 40 hours = $500

→ Find how many hours he worked after the first 40 hours

∵ 44 1/2 - 40 = 4 1/2 hours

∴ He worked 4 1/2 hours over the first 40 hours

→ Find his earning from them

∵ His earning in 4 1/2 hours = 4 1/2 × 18

∴ His earning in 4 1/2 hours = $81

→ Now add the two amounts to find his total earning

∵ His total earning = 500 + 81

∴ His total earning = $581

∴ He made $581 if he worked 44 1/2 hours last week

What would be the answer for 75 X 152

Answers

Answer:

75 x 152 = 11,400.

Step-by-step explanation:

75 times 152 equals 11,400. You can find this by using a calculator, or you can multiply it out by hand. There's lots of videos on how to multiply things by hand, if you wanted to learn how. Hope this helps! :)

Find −6.42+8.25. Write your answer as a decimal.

−6.42+8.25=

PLEASE HELP ASAP I WILL MAKE BRAINLIEST FOR RIGHT ANSWER!
i would like an explanation too please

Answers

Step-by-step explanation:

HURRRY PLZ lets GO CHECK PROFILE I WILL GIVE I BRAINLY

Answers

Answer:

[tex]\angle AFY=140^\circ[/tex]

[tex]\angle LIM=117^\circ[/tex]

Step-by-step explanation:

The sum of interior angles of a polygon of n sides is:

[tex]S=180^\circ (n-2)[/tex]

The image shows a 6-side polygon. The sum of the interior angles is:

[tex]S=180^\circ (6-2)=720^\circ[/tex]

The sum of all the shown interior angles must equal 900°:

[tex]125+100+y+117+121+y+23=720[/tex]

Simplifying:

[tex]486+2y=720[/tex]

Solving:

[tex]2y=720-486[/tex]

[tex]2y=234[/tex]

[tex]y=234 / 2=117[/tex]

y=117°

Thus the angle AFY is:

[tex]\angle AFY=y+23=117+23=140[/tex]

[tex]\boxed{\angle AFY=140^\circ}[/tex]

[tex]\angle LIM=y=117[/tex]

[tex]\boxed{\angle LIM=117^\circ}[/tex]

How are the rules for dividing two negative fractions related to the rules for multiplying
two negative fractions? Will the answer be positive or negative? Explain.

Answers

The answer will be negative, the rules are a negative plus a negative equals a positive and a positive plus a positive equals a negative

The relation between multiplying and dividing two negative fractions is needed.

When multiplying and dividing two negative fractions the answer will be always positive.

Let [tex]-\dfrac{a}{b}[/tex] be one fraction

and [tex]-\dfrac{c}{d}[/tex] be another fraction

Let us multiply them

[tex]-\dfrac{a}{b}\times -\dfrac{c}{d}=+\dfrac{ac}{bd}[/tex]

Let us divide them

[tex]\dfrac{-\dfrac{a}{b}}{-\dfrac{c}{d}}[/tex]

This can also be written as

[tex]-\dfrac{a}{b}\times -\dfrac{d}{c}=+\dfrac{ad}{bc}[/tex]

Since, multiplication and division are the inverse of each other the negative signs cancel each other and the sign is positive.

Hence, when multiplying and dividing two negative fractions the answer will be always positive.

Learn more:

https://brainly.com/question/15381501

https://brainly.com/question/17639366

What is the vertex form of the function y = x2 + 8x – 3

Answers

the answer would be

y=(x+4)^2−19

Answer:

the answer is y=(×+4)^2 -19

Pls help! I don’t get this, 7th grade math, Lesson 8 Unit 2

Answers

Answer:

Honestly if you dont have to show your work just look up "how many degrees Farenheit is 20 degrees celsius" just repeat for the rest.

Step-by-step explanation:

what is 9/12 in simpleist form

Answers

The answer to this question is 3/4 or .75

Answer:

It's 3/4

Step-by-step explanation:

The Greatest Common Factor is 3.

divide that by 9 and 12, 9 divided by 3 is 3

Answer:

9(x)-20(y)

Step-by-step explanation:

a regular polygon has 6 wall then it matters that the 54 walls

A tree surgeon reduces the height of a beech tree by 32%.
The tree is now 4.42 m tall.
How tall was it before it was reduced?

Answers

Answer:

Step-by-step explanation:

4.42 x 32%

PLEASE HELP ASAPP
In science class, Graciela noticed that the balance scale showed 2 ounces for a sample of matter and 56.7 grams for the same sample. She has a rock that weighs 708.75 grams but needs to know the weight in ounces. Which proportion could Graciela use to find x, the weight of the rock in ounces?
AWNSERS ARE DOWN THERE, IDK IF THE 1 IN YELLOW IS CORRECT!!

Answers

Answer:

2/56.7= x/708.75

Step-by-step explanation:

Find the value of x for which m|| n is ?

Answers

4x-23 = 3x+19
-3x -3x
x-23 =19
+23 +23

x= 42

WILL GIVE BRAINLYEST Marta is solving the equation S = 2πrh + 2πr2 for h. Which should be the result?
5/2pi r-r=h
5-r/2pi r=h
s-r/2pi=h
s- 2pi/r=h

Answers

Answer:

S/2πr-r=h

Step-by-step explanation:

so a

Answer:

It's A) [tex]\frac{S}{2\pi r} - r = h[/tex]

Step-by-step explanation:

I'm good at the game.

Given f(x) = 3x - 4, find f(5). Write your answer as a number.

Answers

F(5) means replace x with 5 then solve:

3x-4 = 3(5)-4 = 15-4 = 11

F(5) = 11

What is the.least common multiple of 2 and 6

Answers

Answer:

Step-by-step explanation:

Answer:

The answer to this is: The Least Common Multiple of 2 and 6 is 6.

Step-by-step explanation:

Hope this helps :)

Solve

3x + 8 = 2x + 21

Answers

Answer:

Step-by-step explanation:Simplifying

3x + 8 = 2x + -21

Reorder the terms:

8 + 3x = 2x + -21

Reorder the terms:

8 + 3x = -21 + 2x

Solving

8 + 3x = -21 + 2x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-2x' to each side of the equation.

8 + 3x + -2x = -21 + 2x + -2x

Combine like terms: 3x + -2x = 1x

8 + 1x = -21 + 2x + -2x

Combine like terms: 2x + -2x = 0

8 + 1x = -21 + 0

8 + 1x = -21

Add '-8' to each side of the equation.

8 + -8 + 1x = -21 + -8

Combine like terms: 8 + -8 = 0

0 + 1x = -21 + -8

1x = -21 + -8

Combine like terms: -21 + -8 = -29

1x = -29

Divide each side by '1'.

x = -29

Simplifying

x = -29

3x + 8 = 2x + 21

3x - 2x + 8 = 21

x + 8 = 21

x = 21 - 8

x = 13

Math club has a mean score on a standardized test of 85 with a standard deviation of 3. What is the probability of scoring below a 79 on the test?
2.5%
1
2.35%
.15%
2
2.65%

Answers

Answer:the second one

Step-by-step explanation:

what fraction represents a repeating fraction?

a) 4/5
B) 1/2
C) 3/4
D) 5/6

please explain too!!

Answers

D) 5/6 as 5/6 = 0.833333333333333 and the three will keep repeating

Answer:

Step-by-step explanation:

You meant which one is a repeating decimal.

Okay to find out you would have to divide each.

4 divided by 5 = 0.8

1 divided by 2 = 0.5

3 divided by 4 = 0.75

5 divided by 6 = 0.833333333...

See how the three keeps on repeating? That makes it a repeating decimal.

Hope this helps!!

There is an initial fee to join a gym, plus a
monthly charge. The table represents the linear
relationship between the total cost of joining
the gym and the number of months a person is
a member. What is the y-intercept of the line,
and what does it represent in this situation?

I took a pic of the table

Answers

Answer:

the equation of the line is y = -1/-30 - 3⅙ and the y intercept is -3⅙.

Step-by-step explanation:

Using, the formula y1+y2/x1-x2,

Choosing any two points, make the expression:

1-2/125-155

simplify:

-1/-30

the slope of the equation is -1/-30.

to find y intercept, using the function y=mx+b, plug in the slope and one of the two points that you used:

y would be 2

x would be 155

b is the y intercept

2= -1/-30•155 + b

2=5⅙+b

b = - 3⅙

the equation of the line is y = -1/-30 - 3⅙ and the y intercept is -3⅙.

Other Questions

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n-4=20 What is the answer.?

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n-4=20
What is the answer.?