Mrs. Martins class will participate ina math-A-thon to raise money for a class trip. The math-A-thon workbook has 100 math problems. Students can raise money based on the number of math problems they answer correctly or by accepting a donation without regard to the number of math problems answered correctly. Prizes are rewarded to students who raise $50 or more. Daylyn,a student in the class, answers 80 math problems correctly. His grandmother pays $0.25 per correct answer. His uncle gives him a donation. If daylyn receives $45 total from his grandmother and uncle, how much money does his uncle give him? Write an equation and solve to find your answer.

Answers

Answer 1

Answer:

$25

Step-by-step explanation:

First, you would do 80 x $0.25 = $20. (Meaning 80 math problems he answered correctly times the $0.25 he got for each one correct.)

Next, you do $45 - $20 which equals $25.

In conclusion, he gets $25 from his uncle.

Related Questions

If the figures below are similar, find the scale factor of figure B to figure A

Answers

Answer: 3

Step-by-step explanation: Figure B has side measures 16, 20, and 9. Figure A has side measures 48, 27, and 60. The ratio of each of the corresponding sides is 1:3 (16:48, etc). Therefore, the scale factor of Figure B to Figure A is 3.

What is the answer to this problem ?4a4b6(•2a4b5c7)

Answers

Answer:

4 * a = 4

a = 1

b * 6

4 * 6

24b

2 a * 4 = 8

b * 5 = c *7

7 * 5 = 35

b = 17.5

C = 17.5

17.5+17.5 = 17.5 * 2 +4a+ b5

So your answer is 54a

Step-by-step explanation:

Express your answer in scientific notation.

Answers

it’s 1.77 times 10to the 6th

PLEASE HELP mE: Expand the expression y(-5 - 8.3x).

Answers

Answer:

-5y - 8.3xy

General Formulas and Concepts:

Pre-Algebra

Distributive Property

Step-by-step explanation:

Step 1: Define

y(-5 - 8.3x)

Step 2: Expand

Distribute y: y(-5) + y(-8.3x)Multiply: -5y - 8.3xy

If f(x)=1+2x-3x2, what is the value of f(-7)?

Answers

Answer:

answer of this qn is -150

The weight of sand and a large bag is 63.4 lb. The sand in the bag is divided equally into 20 small bags what is the weight in pounds of a list of the sand in each small bags

Answers

Answer: Weight of sand in each bag = 3.17 lb.

Step-by-step explanation:

Given : Total weight of sand = 63.4 lb

Total small bags = 20

Weight of sand in each small bag = (Total weight of sand ) ÷ (Total bags)

Weight of sand in each small bag = ( 63.4) ÷ (20)

Weight of sand in each small bag = 3.17 lb

Hence, the weight of sand in each small bag = 3.17 lb.

Answer:

3.17lb

Step-by-step explanation:

compute the dimensions of gravitational constant G where F=Gm1m2/r^2

Answers

Answer:

G=L^3/(T^2M)

Step-by-step explanation:

G=(Fr^2)/MmG=(ML^3)/(T^2M^2)G=L^3/(T^2M)

Determine the unknown integer in the number sentence
___ - (-5) = 40

Answers

Answer:

Step-by-step explanation:

Answer:the answer is 35

Step-by-step explanation:

which statement is NOT true about the Absolute of -6?

A.it describes the difference between -6 and ) on the number line.
B.It equals the absolute value of 6.
C. it describe the difference between 6 and -6 on the number line
D.it can be expressed as | -6 |

Answers

Step-by-step explanation:

the answer is B..........

Write an equation where a number is added to a variable, and a solution is -8.

Answers

Answer:

heres a very simple one: x-18= -8 for x=10

Step-by-step explanation:

it just very simple, if you don't have any other choice.

what are the numbers from least to greatest -8 1/2, -4 1/2, -10 1/2, 4 1/2

Answers

Answer:

-10 1/2, -8 1/2, -4 1/2, 4 1/2

Step-by-step explanation:

Basically to get the answer, its easiest to convert the fraction to a decimal then put it on a number line. 1/2=0.5.

Answer:

-10 1/2, -8 1/2, -4 1/2, 4 1/2

Step-by-step explanation:

Something that helps is a number line, put 0 in the middle and put positive numbers on and negitive numbers so you can see what is smaller. For example:

least to greatest

<-------------------------------------------->

-7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7

answer fast!!!!!!!!!
pls

Answers

what’s the question, and is there a picture to it?

tent: If a function f has an inverse and f(-3) = 6, then f-1(6)

Answers

I’m tryna look for that too

The value of [tex]f^{-1}(6)[/tex] is [tex]-3[/tex].

Given:

The function [tex]f[/tex] has an inverse and [tex]f(-3)=6[/tex].

To find:

The value of [tex]f^{-1}(6)[/tex].

Explanation:

If a point [tex](a,b)[/tex] lies on the function [tex]f(x)[/tex], then the point [tex](b,a)[/tex] must lies on the inverse function [tex]f^{-1}(x)[/tex].

According to the given value [tex]f(-3)=6[/tex], the point [tex](-3,6)[/tex] lies on the function [tex]f(x)[/tex]. So, the point [tex](6,-3)[/tex] must be lies on [tex]f^{-1}(x)[/tex].

[tex]f^{-1}(6)=-3[/tex]

Therefore, the value of [tex]f^{-1}(6)[/tex] is [tex]-3[/tex].

Learn more:

https://brainly.com/question/17148722

The radius of a circle r in centimeters can be found by solving r to the second power = 70. What is the radius of the circle r, in centimeters?

Answers

Answer:

bhb jkabdjkea 7- 70 bhakbhkd

Carin has 2/3 of a bottle of paint. She uses 1/6 of a bottle to paint one model airplane. How many model airplanes can carin paint with 2/3 of a bottle of paint. Answer

Answers

Answer:

Step-by-step explanation:

Given that :

Total fraction of paint Carin has = 2/3 bottle

Fraction used to paint a model airplane = 1/6

Number of model. Airplanes 2/3 of a bottle could paint ;

Total fraction of paint / fraction used to paint a model airplane

(2/3) ÷ (1/6)

2/3 * 6/1

= 12 / 3

= 4 model airplanes

what's the answer and show your work by using the funnel method

Answers

Answer: i got 44 for the answer

WILL MARK YOU BRAINLIEST

Answers

Answer:

part 1:

see in the picture, E is the centre of the kite

1) AC = 2.EC = 40

2) CD = sqrt( ED² + EC² ) = sqrt(21² + 20²) = 29

3) ABE = 90⁰ - 51⁰ = 39⁰

4) BCE = BAE = 51⁰

part 2:

we have:

3x + 7 = (3x - 1 + 8x)/ 2

<=> 3x + 7 = 5.5x - 0.5

<=> 2.5x = 7.5

<=> x = 3

5) with x = 3 => UV = 3.3 - 1 = 9 - 1 = 8

6) XY = 3.3 + 7 = 9 + 7 = 16

7) TW = 8.3 = 24

9) the width of the base is x (x > 0)

we have:

28.5 = (x + 25)/2

<=> x + 25 = 57

<=> x = 32

solve the inequality: -5y - 8 < 2

Answers

Answer:

y>-2

Step-by-step explanation:

that is the answer

A bicycle has a listed price of $516.95 before tax. If the sales tax rate is 9.25%, find the total cost of the bicycle with sales tax included.

Answers

Answer:

564.77

Step-by-step explanation:

find slope (-3-,3) (6, -13)

Answers

Answer:

-10/9

Step-by-step explanation:

do y2-y1/x2-x1 to find it

q = 3s + 4t
make s the subject pls I will mark brainliest to the answer

Answers

Answer:

q=3s+4t

q-4t=3s

(q-4t)/3=s

Step-by-step explanation:

Can somebody plz help answer these questions correctly! (only if u know it) thanks!!<3

WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST!!!:DD

Answers

Answer:

18-Yes 19-No 20-yes 21- yes

Step-by-step explanation:

1 to 4, 5 to 20

Yes, this is correct

WE can multiply 1*5 and 4*5 to get 5 to 20

Wrong

3 to 11, 1 to 3 isn't correct

For example, if we were to divide 3 by 3 to get one, 11/3 is 2. (6)

So, no

2/3 is 2 to 3

14/21 is 14 to 21

If we multiply 2*7 and 3*7, we get 14 to 21

21 25 to 30 is equal to 35 to 42

They just added 7 to both numbers

if we divide ratio 1 by 5, we get 5:6

if we divide ratio 2 by 7 we get 5 to 6

18. Yes
19. No
20. Yes
21. I think so

a - b = -14
a + b = _4

Answers

Answer:

Step-by-step explanation:

For the second equation did u mean a+b=-4?

Convert 4/5 into a decimal

Answers

Answer:

0.8

Step-by-step explanation:

Convert the fraction to a decimal by dividing the numerator by the denominator.

Answer:4/5=0.8

Step-by-step explanation:

7x - 4 + = 12 show me the steps

Answers

Answer:

impossible, but two ways:

either:

x=16/7

or:

7x+8

Step-by-step explanation:

if it is 7x-4+12, then it is 7x+8 because it is an expression.

If it is 7x-4=12, then it is x=16/7 because it is an equation.

otherwise, it is python programming or impossible.

true or false you can also use keep change changes for addition problems

Answers

Answer:

false

I guess I hope I'm right ?

Answer:

Falso dawgo

Step-by-step explanation:

por que si es la verdad

Please help me answer this!!!!

Answers

Answer:

Step-by-step explanation:

this is what i got. hope this helps!

Answer:

k = 70

Step-by-step explanation:

k = 6x + 100

k = 6(-5) + 100

k = -30 + 100

k = 70

5X +20 and the opposite of 20

Answers

Answer: 5x+(-20)=-15x Step-by-step explanation:

What are the answers

Answers

Answer:

1. yes

2. no

Step-by-step explanation:

I need help! what's 2+2=????

4...

Answers

Answer:

Step-by-step explanation:

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