Mathematics High School

Thirteen-year old Sammy Thompson bought old skateboards at anction for $350.

He fixed them and sold them for $50 each. WRITE an equation to find how many

skateboards Sammy bought to make a $6200 profit.

Answers

Answer 1

Answer:

124

Step-by-step explanation:

calculator blablabla

Related Questions

Solve for h. -98 = -7h h =

Answers

Answer:

14

Step-by-step explanation:

[tex] - 98 = - 7h \\ \\ - 98 \div - 7 = h \\ \\ 14 = h[/tex]

Calculate the SPEED of a
sprinter who ran 200 meters
in 20 seconds.

Answers

Speed = distance / time

Speed = 200 meters / 20 seconds

Speed = 10 meters / second

1 meter per second = 3.6 km per hour

10 meters per second x 3.6 = 36 km per hour

Answer: 36 kilometers per hour

Step-by-step explanation: Average speed = total distance / total time.

.
HELPPP
The equation of the line in slope Intercept form is

Answers

Answer:

y = 60x + 40

Step-by-step explanation:

It is in the form of

y = mx + b

m is the slope

b is the y intercept.

The y intercept is 40, so it will be y = mx + 40.

The slope is 60, so y = 60x + 40!

It is roughly 8100 miles to fly from California to Australia. If it takes the airplane 15 hours to reach its destination of Australia, what was the average speed of the airplane in feet per hour?

Answers

Answer:

540 miles an hour or 2,851,200 Feet an hour

Step-by-step explanation:

g(x) = -x2 + 2x - 9



g(-4)

Answers

Substitute the -4 to the x’s.

g(-4) = -(-4)^2 + 2(-4) - 9

g(-4) = -16 - 8 - 9

g(-4) = -33

Answer:

-33

Step-by-step explanation:

g(x) = [tex]- x^{2} + 2x - 9\\[/tex]

g(-4) = [tex]- ( -4)^{2} + 2 * (-4) - 9[/tex]

       =  - 16 - 8 - 9 = - 33

I really need I don’t get it at all, and it’s a quiz please help!

Answers

Answer:

A and C are correct

Answer:

The slope is negative and it is also proportional (A and C)

Step-by-step explanation:

I used process of elimination.

If you look at the graph you will realize that x is positive and y is negative. Most times this will mean that the slope is negative, since positive and negative = a negative.

You can also tell that the y-intercept is not -3 because the line never intersects at -3 for the y line.

The relationship is proportional it goes through the origin and is also a straight line.

However, for the -6 slope, I can't really see the graph well, so I can't tell what the coordinate points are. If you can tell me, I can edit my answer and help.

help with a easy thing

Answers

Answer:

3

Step-by-step explanation:

-2=-2x+4

-6=-2x

3=x

Answer:

3

Step-by-step explanation:

Im 90 percent sure the answer is three

The point (-3, -5) is on the graph of a function. Which equation must be true regarding the function?
SAAB
Of(-3) = -5
f(-3,-5) = 8
f(-5) = -3
O f(-5, -3) = -2

Answers

Answer:

F(-3) = -5

Step-by-step explanation:

I got it right on the test

please help i don’t know how to do this

Answers

Answer:

1.) 25

2.)81

3.)49

Step-by-step explanation:

(I recommend getting a Texas instruments TI-84 you can just plug in the numbers and it does it for you :)

Write a linear function f with f(5)=7 and F(-2)=0.

Answers

Answer:

f(x)=x+2

Step-by-step explanation:

Slope= (7-0)/(5-(-2)) = 7/7 = 1

Y-intercept= 2

substitute the slope, 1, for m and the y-intercept, 2, for b to get:

f(x)=x+2

hope this helps!

The linear function f with f(5)=7 and F(-2)=0 is f(x) = x + 2

f(5) = 7

This means when x = 5 , y = 7

(5, 7)

f(-2) = 0

(-2, 0)

This implies when x = -2 , y = 0

Using the linear function formula,

y = mx + b

where

m = slope

b = y-intercept

Therefore, the function can be represented as follows:

m = 0 - 7 / -2 - 5 = -7 / -7 = 1

Therefore,

y = x + b

0 = -2 + b

b = 2

The function in relation to x can be represented as follows:

f(x) = x + 2

read more: https://brainly.com/question/13578480?referrer=searchResults

a line has the equation 3x-2y=6, any line parallel to this line has slope (?)

Answers

Answer:

Slope is 3/2

Step-by-step explanation:

3x-2y=6

-2y=-3x+6

y=3/2-3

PLZZZZZZZZZZZZZZZZZZZZZZZZZZZZ HELP ME I BEGGING YOU PLZZZZZZZZZZZZZZZ HELP!!!! (55 POINTS)


1. Evaluate 8a - b if a = 10 and b = 6

74

38

1000

9000

2. Evaluate expression if a=3 and b=4 . 4b-5a

2

1

-8

8

3. Evaluate Expressions a=3 b=4, 7a + 8b x 2

110

100

80

85

4.Strawberries are $1.95 a pound. Write an expression for p pounds of strawberries.

$1.95+p

$1.95-p

$1.95/p

$1.95p

5. Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.

g+29

29g

g-29

g ÷ 29

6) 5 + 36 ÷ 2 x 3 - 4

7

55

12

78

7)18 + (6 – 2) × 2

26

29

40

44

8.Expand -3( 2r + 5s).

-6r - 15s

-6r + 15s

-6r - 15

-6r + 2s

9. Expand and simplify 5(2 - 3y)

10 - 15y

10 + 15y

10 - 2y

10 - 3y

10.Factor: 7x + 49y

7(x + 7y)

7(x + y)

can't be factored

7(x + 48y)


11. Factor 6p − 36

6(p − 6)

2(3p − 36)

3(2p − 6)

can't be factored

12. Which expression contains exactly 3 terms?

A. 5 + 6xy

B. 8 + 2y - 5x

C. 9 + 4t

D. 24xy

13. What is the coefficient of x?8 + 5x - y

A. 8

B. 0

C. 5

D. -5

14. Identify the "like terms" in the expression: 2x + 4y - 3x + y - x

A. 2x and 4y and -3x

B. 2x and -3x and x; 4y and y

C. they are all like terms

D. there are no like terms


15. Factor 5x − 25

Answers

Answer:

1. 74 because 8(10) - 6

2.4(4) - 5(3) = 1

3. 7(3)+8(4) * 2 = 106

4. A

5.a

6. 20.5

7.26

8.a

9.a

10a

Step-by-step explanation:

Clara lends half her collection of formal attires to her sister, Susan. Clara then buys
four more attires. If she has 12 attires now, how many attires did Clara had initially?

Answers

Answer:

clara had 16 but she gave half that leaves us with 8 + 4 gives u 12

x

2

+ 4 = 12 ; 16 attires  

Answer:

16

Step-by-step explanation:

a:2+4 =12

a:2=12-4

a:2=8

a=8 ×2

a=16 dresses

Step-by-step explanation:

brainliest would be super appreciated

i need help pls help me what is the answer to -2(8)

Answers

Answer:

-16

Step-by-step explanation:

hope this helps love <3

I will pick the brainiest! Thanks :)

Answers

Answer:

5+4.5=9.5

Step-by-step explanation:

Answer: the answer is in the attached file/picture ;)

Step-by-step explanation:

help me guys to find answer​

Answers

Answer:

Misrial Effort  (to) made the pond clean.

The Villagers (to) Were Deprived of education

The pond looked (to) like a green lake of the himalayas

The children of Kishanpur (to) Realized their mistake

A noble Work (to) deserves respect

For Kishanpur people Mishrilal  was (to) regarded a true leader

Step-by-step explanation:

help meee will give brainlistq ( please i will do anything but ASAP) ​

Answers

Y=3/2x+7 this is in slope intercept form

Answer:

y = 7/5 x + 34/5

Step-by-step explanation:

Help is needed plssss

Answers

X= -4, -6. i’m not really sure what the question is asking
x=-4-6 thats the answers

Here please do this. 25 pts

Answers

Answer:

the correct answer is A

You roll an eight-sided die. What is the chance that it will land on either a 2 or a 5? Write your answer as a fraction.​

Answers

Answer:

2/8 and the simplified version is 1/4

Step-by-step explanation:

Answer:

2/8

Step-by-step explanation:

First you know that it is a eight- sided die. 2 or 5 are two numbers so it is 2/8.  

you put all of the numbers and count them up on the top as numerators ex: 2/   Then the number of the sided die as the denominator.ex: 2/8 Hope this helped.

hola tengo una pregunta​

Answers

Answer:

That is wonderful. I love you!

Michael fills 1/3 of one trash barrel with 1/9 of the leaves he has raked in his yard.
How many trash barrels must he fill to pick up all of the leaves ?

Answers

Answer:

he will need 3 barrels.

find x and y
x=_____
y=_____​

Answers

x=12 and y=5
triangle ANE measurements are just 2 times the measurements of TLC

what is the answer for -5x-8=3x+10

Answers

Answer:

x=− 9 /4

​or  

=−2.250

Step-by-step explanation:

what's (-9n^6) (8n) equal?​

Answers

Answer:

skp

Step-by-step explanation:

A construction company is setting up signs on a 6 3/4 mile stretch of road. If the company places a sign every 3/4 of a mile, how many signs will it need?
Note: the company will place a Sign at the beginning of the stretch,
then every 3/4 of a mile.

Answers

Answer:

10

Step-by-step explanation:

6 3/4 ÷ 3/4 = 9, and plus the sign at the start of the road it would be 10

hope this helps :)

Please no fake answers!

Answers

Answer:

X=1.899

I think

Step-by-step explanation:

2X+4.899=X+3

X=1.899

Answer:

x=3

Step-by-step explanation:

:)

SOLVE FOR W
V = LWH
PLZ HELP ME PLZ

Answers

Answer:

Step-by-step explanation:

(L*H)-V=W

Can someone please help me with this ty!!

Answers

Answer:

1 y=5+5

2 y=16+16

Step-by-step explanation:

9. FLUENCY: ONLY USE A CALCULATOR TO CHECK!
1500 + (6 + 4*) 37
Your answer

Answers

Answer:

1870

Step-by-step explanation:

1500 + (6 + 4) * 37

= 1500 + 10 * 37

= 1500 + 370

= 1870

Answer:

1870

Step-by-step explanation:

1500+(6+4)37

=1500+10*37

=1500+370

=1870

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