Mathematics Middle School

answer this question please :)

Answers

Answer 1

Answer:

Step-by-step explanation:

The 7/1 is 7, and (15-1)/2 is7, which is then the slope. Since the first x is 1, the x intercept is 1

Answer 2

Answer A he explained it right

Related Questions

One of the roots of the equation x2−bx+c=0 is equal to 5. Find c in terms of b.

Answers

Answer:

c=5b-25

Step-by-step explanation:

Polynomial is an equation written as the sum of terms of the form kx^n.

where k and n are positive integers.

The value of c in terms of b is 5b - 25

What is a polynomial?

Polynomial is an equation written as the sum of terms of the form kx^n.

where k and n are positive integers.

Example:

x² + 3x + 9 is an equation.

x³ + 6x² + 6x + 8 is an equation.

We have,

x² - bx + c = 0

One of the roots of this equation is 5.

This means,

5² - 5b + c = 0

25 - 5b + c = 0

Adding 5b on both sides.

25 + c = 5b

Subtracting 25 on both sides.

c = 5b - 25

Thus,

The value of c in terms of b is 5b - 25

Learn more about polynomials here:

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plz help quick. the sum of two numbers is 11. Three times the first number minus the second number is -3. what are the numbers? can i plz have work too?

Answers

Answer:

the first number is 2, the second number is 9 :)

I already answered this on your last question ;-;

Step-by-step explanation:

I wrote this on a piece of paper:

3 times ? minus ? = -3

And then I just kept replacing the question marks with what adds up to 11 until i got the answer lol.

The awnser is 5 because 3 times 5 is 15 minus 3 is 11

HELP PLS ANSWER
Which set of ordered pairs represents a function?

Answers

Answer:

the answer is d

Step-by-step explanation:

the x values don't repeat so therefore It is a function.

Answer:

Step-by-step explanation:

It's D bc you can have two of the same inputs equaling differnt outputs. You could of it as 4+3 = 7, 9, 2, and 1 or whatever numbers, its not true it only equals 7. Hope that helps

Which ordered pair is not a solution of f(x) = 2x + 9?

(7, 23)
(3, 14)
(2, 13)
(0, 9)

Answers

Answer:

The answer is (3,14)

Step-by-step explanation:

Answer:

(3,14)

Step-by-step explanation:

Ann's car can go 132 miles on 4 gallons of gas. During a drive last weekend, she used 7 of gas. How far did she drive? Explain how the problem changes if you were given the distance Ann drove last weekend instead of how much gas she used.

Answers

Answer:44 Step-by-step explanation:

Answer:

multiply 132x4x7 and see how many gallons of gas

This question has three parts. Answer the parts in order.
Part 1

Sam is 8 years younger than his brother Steve. He is also half as old as Steve.

Select two equations of a system that can be solved to find both ages.
Part 2

How many years old is Sam? (Use only the digits 0 – 9 to enter a number.)
Part 3

How many years old is Steve? (Use only the digits 0 – 9 to enter a number.)

this are the answeres of part one

Answers

Answer:

Step-by-step explanation:

Best answer gets brainliest

Answers

Answer:

is mine the best answer

Step-by-step explanation:

please say it is

Mr. Smith drove for 45 minutes at a speed of 40 km/h. He stopped for 15 minutes for a coffee break and then he drove for 2 hours at a speed of 75 km/h. What was his average speed for the entire journey? I WILLMR BRAINLIEST

Answers

Answer:

60 km/h

Step-by-step explanation:

Average speed is total distance over total time.

Total distance: 30 + 0 + 150 = 180 km.

Total time: 0.75 + 0.25 + 2 = 3 hrs.

180/3 = 60/1

Answer:

Step-by-step explanation:

PLEASE HELP ASAP BY 11/12 BY 9:00 am!!!! WILL AWARD BRAINLIEST!!!
(x,y) ---> (1/4, 1/4)
what does the above transformation mean?
THANK YOU!!!!!!!

Answers

Answer:

x=1/4 y=1/4

Step-by-step explanation:

They mean x-coordinate and y-coordinate

Reflection/Math 10points

Answers

Hola!

I just wanted to say Goodluck! :)

what is 2x + 20 ≤ 50

Answers

Answer:

x ≤ 15

Step-by-step explanation:

2x + 20 - 20 ≤ 50 -20

2x ≤ 30

2x/2 ≤ 30/2

x ≤ 15

Can you help me?
(Only answer if you know)

Answers

Answer:

it is Q4

Step-by-step explanation:

not sure how to explain it

HELPPPP look at image

Answers

Answer:

300 gallons this was to easy

It would take 300 gallons of fuel. I’m pretty that’s right

Karen earns $5 by delivering newspapers each week. She saves $3 and she spends the rest. How many weeks will it take her to save enough money to buy a $35 gift card? (Use the table to help you solve the problem; you will need to copy it onto a piece of paper

Answers

It will take her 12 weeks overall

Answer:

i got 2.5 weeks

Step-by-step explanation:

you subtract 5-3=2 so she saves 2$ every day.So divide 35 to 2 and get 17.5.

then divide 17.5 from 7 days and get 2.5weeks

I THINK!

What steps should be taken to complete the conversion?
8 mi 1.61k 1000 m
x х
X
1 mi 1k
1
ОООО
Cancel the mile and kilometer units. Divide 8 by 1.61, then multiply by 1000.
Cancel the mile and kilometer units. Multiply 8 by 1.61, then multiply by 1000.
Cancel the mile and kilometer units. Multiply 8 by 1.61, then divide by 1000.
Cancel the mile and kilometer units. Multiply 8 by 1000, then divide by 1.61.

Answers

Answer:

The third option should be correct please correct me if im wrong

30° is used in a pie chart to represent 5 people. How many people were there altogether???

Answers

Answer:

Step-by-step explanation:

here are 360° used in a whole pie chart

Using proportion

30° → 5 people

360° → 5 × 360 / 30 = 5 × 12 = 60

There are 60 people altogether

its 60 dhdkshdshbzzh

Rewrite the absolute value function y=|x|-3 as two linear functions, one that has the domain x<0, and one that has the domain x≥0.

Answers

seems the answer has been figured out

Two linear functions, one that has the domain x < 0 is y = - x - 3

And, one that has the domain x ≥ 0 is y = x + 3.

What is linear expression?

A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.

We have to given that;

The absolute value function is,

⇒ y = |x| - 3

So, The linear function which has the domain x < 0 is,

⇒ y = - x - 3

And, The linear function which has the domain x ≥ 0 is,

⇒ y = x - 3

Learn more about the linear function visit:

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Brainlist to whoever answers! (If u say the answer “oH I jUst wNtEd tO sAY liKe ur pFP” I will report that.

Answers

Answer:

B is the only one that makes sense I believe. About putting your pride aside to ask for help.

Step-by-step explanation:

I didn't read about anyone "helping themselves" before helping others and C is not true, and its unlikely there was no theme at all in the passage.

Answer:

The correct answer is A

please help its confusing a little for me will give brainliest

Answers

Answer:

B. 24.5

Hope this helps

find f(2) for the function below
f(x) =1/8*5^x

Answers

Answer:

f(x)=.625^x

Step-by-step explanation:

f(x)=1/8*5^x

f(2)=1/8*5^2

f(2)=1/8*25

f(2)=25/8

Rodrick and Valentina drove to the coast. Rodrick drove 38 9−− 10miles. Then Valentina drove the last 51 3− 5miles. How far did they drive to the coast?

Answers

Answer:

zaqwsxcderfvbgtyhnmjuiklop

Step-by-step explanation:

Answer:

what are the hyphens for?

Step-by-step explanation:

ANYONE GOOD AT HISTORY!?

Answers

Answer:

BRAINLIEST PLSSS

Step-by-step explanation:

im good

At a little-known vacation spot, taxi fares are a bargain. A 42 -mile taxi ride takes 49 minutes and costs $29.40. You want to find the cost of a 46-mile taxi ride. What unit price do you need?

Answers

Answer:

about 13.50$

Step-by-step explanation:

Plz name me the brainlest

13.50 that is the answe

Darius created a factor tree and wrote the prime factorization of 60 shown here.

A factor tree of 60. 60 branches to 4 and 15. 4 branches to 2 and 2. 15 branches to 3 and 5.

60 = 2 × 3 × 5

What is Darius’s error?

Answers

Answer: he needs to finish factoring the 4s.

Step-by-step explanation:

4x15 is 60, so that is right, 3x5 is 15, so that’s is right, 2x2 is 4, so that is right, but he didn’t finish factoring. 1x1 is 2, so he should have 1 and 1 coming from each 2 on the tree. Hope this helps.

Part A and B Please 10 points

Answers

For part a I would say you can’t use that translation to change it back to the original triangle. I tried the rule out for myself

My coordinate was 3, 6 and applied the -7 -6 rule and got -4,0.

Then I used the rule that they have to translate it back which was -6 -7 and there’s no way it can be translated back to 3, 6

So the answer is no the rule can’t be used to translate it back

Can you mark branliest

same thing the person above said

Please help. and put a explanation because I need it lol (if you can )

Answers

Answer:

I am pretty sure it's the first one with the table

Step-by-step explanation:

All of the numbers from the x side can be times by 4 to get the y value and that goes for all of the x values which means that it is proportional

Answer:

I think its either the first one

Step-by-step explanation:

Because we can see 3 times 4=12

6 times 4=24

9 times 4 =36

A person earns 16,000 one year and get 5% raise in salary. Calculate the new yearly salary using a percent greater than 100.
please help me if you can

Answers

Answer:

16800 a year

Step-by-step explanation:

what is the distance between X(-3,4) and Y(2,1)
A. 2.8
B. 5.8
C. 4.0
D. 3.2
I think it's B but I need to know if it's right.

Answers

Answer:yes the answer is B

Step-by-step explanation:

B would he your answer!!

PLEASE HELP!!!
Which expression is the factored form of−4.5n+3?

−1.5(3n+2)

−3(1.5n+1)

−3(1.5n−1)

−1.5(−3n+2)

Answers

Answer:

-3(1.5n - 1)

your welcome

the third one -3(1.5n-1)

1/2 + 2/5 + 1/8 = ???

Answers

41/40 (decimal 1.025)

41/40 or 1 1/40Hope it helped!

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