Mathematics Middle School

Select all ordered pairs that are solutions of y=3x−1.

1: (1,3)

2: (3,8)

3: (7,17)

4: (10,29)

Answers

Answer 1

Step-by-step explanation:

The correct options are

2. (3,8)

4. ( 18 , 29 )

Hope it will help :)

Answer 2
I only know that it is number 2

Related Questions

Simplify.
√240
A √230
B √1024
C √640
D √415

Answers

Answer: D

Explanation: 4^2 x 15
Both go into roots then you end up with 4/15 (I can’t find the symbol )
The answer for this is D

‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ‍ ​

Answers

0.5 of a mile - since 5,280ft = 1 mile and half of 5,280 is 2,640

Janice is training for a 5K. She predicted she would spend 90 minutes running this week. She actually ran for a total of 120 minutes. What is her percent
error?

Answers

Answer:

33%

Step-by-step explanation:

She is 33% off. She was planning to run 90 minutes, but ran 30 minutes more, which is 33.3333333333% percent of 90.

Find the value of X?

A.90 cm
B.40 cm
C.46 cm
D.9 cm

Answers

Answer:

D. 9 cm

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

You need to find the proportion so find two corresponding sides and divide them

32/16= 2 and or 40/20= 2

Then find x with the following equation

18= 2x

x=9

An amusement park found that 5 out of 8 visitors rode a certain roller coaster more than once on the same day. There were 12,480 visitors to the amusement park on Monday. Based on this information, how many visitors rode the roller coaster more than once on Monday?

Answers

Answer:

b.

Step-by-step explanation:

A circle has a diameter of 21 meters. What is the circumference of the circle? Use 22/7 for π. (PI)

Answers

                ≈║∧║······→Hello←······║∧║≈

                                           Your answer should be:

                                                             66

                                                          Why...?

                                                         Simple.

       First, you multiply 21 by 22/7. But to make this easier you have to fix in       'improper fraction.' and make it into an improper fraction. Which will become   3 1/7. Now you multiply 21 and 3 1/7. Which will equal 66. So, 66 is your answer.

·············································································

I hope this helped!!!

(Brainliest appreciated)

⊕If this answer doesn't answer your question or displeases you. Please tell me through comments.⊕

Thank you.

--- Juri Davis

The circumference of the circle is 66 meters.

What is a circle?

A circle is a two-dimensional figure with a radius and circumference of 2pir.

The area of a circle is πr².

We have,

The circumference of a circle is given by the formula:

C = πd

where C is the circumference and d is the diameter.

Substituting the given values:

C = πd = (22/7) x 21 = 66 meters

Therefore,

The circumference of the circle is 66 meters.

Learn more about Circle here:

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Help please math 7thgrade

Answers

the biker rides 60 miles in 4 hours :)

There are fifteen shirts in your closet ,eight blue and seven green. You randomly select one to wear on Monday and then a different one on Tuesday. You wear a blue shirt on Monday and a green shirt on Tuesday.
1/36, 4/15, 25/546, 10/11 U WILL GET BRAINLIEST

Answers

Answer:

4/15

Step-by-step explanation:

4/17.






So yeah tgatsvitttttrrrr

Use elimination to solve the system 5x + 4y = -10 and 3x + 6y = -6 for y. Please show work!!! Will give brainliest!!!

Answers

Answer:

y=-5/2-5x/4 and y= -1-x/2

Step-by-step explanation:

hope this helps!! i provided a check. the answer would be C, y = 0.

Please help if you can. If possible please type how you got the answer so I can remember it next time I have a question like this.

Answers

Answer: the image doesnt show

Step-by-step explanation:

Heath wants to form a triangle using a piece of wire that is 40 centimeters long. If Heath uses the entire piece of wire, which could be the side lengths of his triangle?

Answers

Answer: 1 3 4 hope this helps lol

Plz help! Don’t answer if you don’t know

Answers

Answers i can't see the numbers but i think it is 30 or 50

the correct answer is 30 or 50

Use commutative property to create an equivalent expression. 4(9j + 1 + 6j) Show you work please!

Answers

4(9j + 1 + 6j)

4(15j + 1)

= 60j + 4 !!

i just did this question and i answered with this and got it right :)

HELP ME PLS !! The figure below has a point marked with a large dot. First, translate the figure 8 units to the left and 6 units up. Then, give the coordinates of the marked point in the original figure and the final figure.​

Answers

Answer:

Original Figure: (-4 ,-8)

The Point in the final figure (1, -2)

Step-by-step explanation:

Can someone plz help me with this one problem plz plz help plz plz

Answers

Answer: Yes

Step-by-step explanation:

y = 1 would be a line going forever across x-axis

so as long as its (x, 1) it will satisfy that equation

Yes it does I have that question

Find each percent of change. Round to the nearest whole percent if necessary. State whether the percent of change is an increase or a decrease.
4. 125 centimeters to 87.5 centimeters

Answers

Answer:

decrease

Step-by-step explanation:

decrease hope this helped

I NEED HELP ON THIS PLS

Answers

Answer:

28

Step-by-step explanation:

i did the math lol

Answer:

The answer is 28

Step-by-step explanation:

would totally explain but it takes to long lol

The letters from the word VACATION are put in a bag and drawn randomly. What is the probability you will pull the letter A?

Answers

2/8 or 25% or 0.25

Hope this helps! Good luck! :))

I am thinking of a number. I multiplied this number by 3, subtracted 8, and doubled the result, then added 14. Then I added on 50% of what I had, and then added on 11. Then I divided by 5. After all that, I was left with 8. What number did I start with?

Answers

Answer:

yea what  

106998luna said

Step-by-step explanation:

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

The number that was started with is 32/9.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Let the number be x.

I am thinking of a number. I multiplied this number by 3, subtracted 8, and doubled the result, then added 14.

First part:

2(3x - 8) + 14

6x - 16 + 14

6x - 2

Then I added 50% of what I had and then added 11.

Second part:

(6x - 2) + 50/100 (6x - 2) + 11

6x - 2 + 3x - 1 + 11

9x + 8

Then I divided by 5. After all that, I was left with 8.

Third part:

(9x + 8) / 5 = 8

9x + 8 = 40

Subtract 8 on both sides.

9x = 40 - 8

9x = 32

Divide both sides by 9.

x = 32/9

Thus,

The number that was started with is 32/9.

Learn more about expressions here:

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helppp PLS
1.A rectangular prism is 20 inches long, 10 inches wide, and 15 inches high. What is the volume of the prism?
A. 2000 cubic inches

b. 3000 square inches

c. 3000 cubic inches

d. 45 cubic inches



2.Find the volume of a rectangular prism with a base that has an area of 22 cm
and a height of 8 cm.
Group of answer choices

22 cubic cm

30 cubic cm

120 cubic cm

176 cubic cm

Answers

The answer to 1. Is c

The answer to 2. Is 176

HELP PLEASE!!!
A company makes triangular plates for individual slices of pizza. For each plate, the base is 7 inches and the height is 12 inches. The area of the top of the plate is ____ inches squared.

Answers

Answer:

40

Step-by-step explanation:

5x16/2= 40

i think the answer is 40

It takes 4.12 gallons of paint to paint a fence.

How much paint is needed for 1/5 of the fence?

[answer] gallons

Answers

4.12 divided by 5 = 0.824

The amount of paint  needed for 1/5 of the fence is 0.824 gallons.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. Unitary method is a technique by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit. It is a method that we use for most of the calculations in math.

We are given that;

Paint= 4.12gallons

Now,

To find the amount of paint needed for 1/5 of the fence, we can use the following proportion:

14.12​=1/5x​

where x is the unknown amount of paint. To solve for x, we can cross-multiply and get:

x=14.12×1/5​

Simplifying, we get:

x=0.824

Therefore, by unitary method the answer will be 0.824 gallons.

Learn more about the unitary method, please visit the link given below;

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In Nancy's class, 11/18 of the girls have brown eyes, 2/9 of the girls have blue eyes, and 1/6 of the girls have hazel eyes. How many of the girls have either blue or brown eyes? [Note: Write your answer in simplest form.]

13/18
13/27
5/6
15/18

Answers

Answer:

15/18

Step-by-step explanation:

Need help with these three please and hurry

Answers

Evan will get 20,000 because 4 years is a while and I searched up and he had a pc job and you get a lot from that so hope this helps
Interest = Principal x Rate x Time
I = (6,000)(0.04)(4years) = $960
And 10 years would be
I = (6,000)(0.04)(10) = $2,400

SMART PEOPLE PLEASE HELP ME !!!!!!!!!!!!!!!!

Answers

Answer:

B and D

Step-by-step explanation:

B and d because / this means divide and b shows that and so does d also 45/100 is basically 0.45

Look at the picture below to answer. If u answer correctly i will mark you as brainliest!

Answers

Answer:

A

Step-by-step explanation:

The points are similar

Which of the following ratios are equivalent to 9:12? HINT: turn them into fractions and cross multiply to check!
3:4
2:3
6:9

Answers

Answer:

3:4

Step-by-step explanation:

3/4 * 3/3=9/12

9 divided by 3 equals 3 and 12 divided by 3 equals 4 so the ratio would be 3:4

A small bag has 8 black beans, 5 white beans, and 12 red beans. Find the probability of picking a red then a black bean if you do not replace the first bean.

A. 0.16

B. 0.32

C. 0.3

D. 0.5

Answers

Answer:

the answer is A

Step-by-step explanation:

because 8 divided by 25 (all the beans) is .32

And  12 divided by  25 is .48

So if you subtract .48 by .32 then you get .16

let me know if its right

The answer is A. 0.16

[tex]\sqrt{16}[/tex]

Answers

Answer:

4

Step-by-step explanation:

desmos calculator

but i knew it off the top of my head  

need help please thanks

Answers

f=15•3!! hope this helps
The answer is a 1/3f=15
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