Mathematics Middle School

-4(x-5)=2(2x+10) solve for x and show work plz

Answers

Answer 1
-4(x-5)=2(2x+10)
-4x+20=4x+40
-20 -20
-4x=4x+20
-4x -4x
-8x=20
/-8 /-8
x= -2.5

Related Questions

Can you help me please

Answers

Is this Jachristi from bms

Jenny sent 640 texts in 8 days. At this rate, how many texts did she send in 3 days?

Answers

Answer:

240 texts

Step-by-step explanation:

[tex]\frac{640}{8} =\frac{x}{3} \\\\8x=1920\\x=240[/tex]

Answer:

240 texts

Step-by-step explanation:

First we need to find out how many texts in 1 day

640 divided by 8 is 80

80 times 3 is 240

Please mark brainliest :D

!Help help help! lols

Answers

A. 72 feet because in the triangle 5•4/2 is 17.5. The rectangle 12•4 is 48. The semicircle pi2^2/2 is 6.2. Added together everything is 71.78 which rounded, is 72

Answer:

Step-by-step explanation:

It's A I'm pretty sure

Order the rational numbers from least to greatest.

Answers

Answer:

-2.96, -2 1/2, 2 1/9, 2.95...

Step-by-step explanation:

If someone could help that'd be cool

Answers

Answer:

Step-by-step explanation:

It’s 3x and 4y thatz dunz beez itz

MATH SMARTIES I WILL GIVE BRAINLIEST!!!!!!!!! PLEASE HELP

Answers

Answer:

8 UNITS

Step-by-step explanation:

12/8 = k/6

4/3  = k/6

24 = 3k

k = 8

8 units hope u have a Greta day!

Describe and correct the error Algebra 1
13 POINTS

Answers

Answer:

im to late lol

Step-by-step explanation:

The table shows the relationship between d, the amount of money Alice has at the beginning of each day, and w, the amount of money she has after riding the bus to work.
Which equation represents the relationship in the table?
A. w = 15.75d - 1.25
B. w = 14.50d + 1.25
C. w = d + 1.25
D. w = d - 1.25

Answers

The answer is D because the original value she starts with is subtracted by the amount she pays for a bus ride

Match each expression in column A with an equivalent expression from column B.



Column A

12r + t − 4r + 6t
(12r + 2t) − (4r + 10t)
12(r + t) − 6(r + t) + 4(r + t) − 2(r + t)


Column B

8(r − t)
8(r + t)
8r + 7t


12r + t − 4r + 6t

Answers

Answer:

see answers below to match them

Step-by-step explanation:

12r + t - 4r + 6t

=12r - 4r + t + 6t

=8r + 7t

(12r+2t) - (4r+10t)

=12r + 2t - 4r - 10t

=8r - 8t

=8(r-t)

12(r+t)-6(r+t)+4(r+t)-2(r+t)

=(12-6+4-2)(r+t)

=8(r+t)

Please help me I need help 25 points and brainiest

Answers

Answer:

Volume equals 1632

Step-by-step explanation:

V=Bh

B=base area, to get B use the equation πr².

H= height  

Side A= 12

Side B= 10

Side C= 10

For the height we will use 34, or the height of the prism.

48*34 equals 1632, And your volume is 1632.

PLEASE HELP I WILL GIVE BRAINILEST

Answers

for A you should take each plotted point and change the sign of the x values. for example (-1,3) should become (1,3) and (-4,4) should become (4,4)

for B take each point and flip the variables and x's sign. (-1,3) should become (3,1)

for C take every x value and subtract 2. (-1,3) should become (-3,3)

for D take each point and flip the variables and y's sign. (-1,3) should become (-3,-1)

You can answer any of these, just make sure to put the number (1., 2. Etc) of which ever one you answered (try to answer as much as you can!)

Answers

Answer: number three is c. Not 100% positive, but I’m pretty sure

Step-by-step explanation:

I do t know the answer but I need to get more point so I can get more answers for my test
Have a bless day

Use the dot plot. Find the sum of the interquartile range and Maximum.

Answers

Answer:  Interquartile range: 4

Maximum: 68  

Which of these graphs is the solution set for the equation y = -3x - 2?

Answers

Answer:

there isnt a photo? :3

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

I took the quiz and got it right

An isosceles triangle has an angle that measures 126°. Which other angles could be in that isosceles triangle? Choose all that apply.

27°
69°
127°
17°

Answers

Answer:

27

Step-by-step explanation:

Since triangles have only 180 degrees in a triangle we can rule out the option that 126 degrees is another angle. So subtract 126 from 180 and you get 54. Then you divide 54 by 2 and get 27.

gina visited the aquarium with some of her cousins aunts and uncles.the group bought 20 admission tickets for $340.adult tickets cost $20 and children ticket cost $15.how many adult and children tickets did the group buy

Answers

Answer:

375

Step-by-step explanation:

340 + 20+ 15 = 345

The Answer is 375 hope this helos

The histogram shows the number of cars in a hospital parking garage at 10 a.m. each day for three weeks.

Which statement is true based on the data in the histogram?


A: The median number of cars is contained in the 140-149 bar.
B: There were between 150-159 cars on 7 days.
C: The range in the number of cars is 3 cars.
D: On 5 days, there were between 130-139 cars.

Answers

Answer 140-149 goodluck and keep your head up!

finding the missing side! (with proportions :\) If an explanation i will give brainliest!

Answers

It is 14 it is 14 it is 14

Find the missing side of the triangle. Side c is the hypotenuse and sides a & b are legs.

a = 6.3. mi, c = 15.4 mi

Answers

Answer:

14.05 is as close as I got

Step-by-step explanation:

6.3 squared + b squared = 15.4 squared

Answer:

[tex]b=14.0524019299[/tex]

Step-by-step explanation:

Use the Pythagorean theorem to solve: [tex]a^2+b^2=c^2[/tex]

[tex](6.3)^2+b^2=(15.4)^2[/tex]                <-- plug in a and c values into equation

[tex]39.69+b^2=237.16[/tex]                <-- take out parentheses

[tex]b^2=197.47[/tex]                              <-- subtract 39.69 from both sides

[tex]b=14.0524019299[/tex]                  <-- take the square root of 197.47

Not sure how much you want to round to so that's the exact answer.

Write two different fractions where the LCD (lowest common denominator) is 20.

Answers

Answer:

The answer is 1/4 and 2/5

Step-by-step explanation:

4 × 5 = 20

Answer:

20 40 and 20 60

Step-by-step explanation:

Marcos delivers newspapers during his summer break. He delivers a different number of papers each day. What percent of the total number of newspapers is delivered on Saturday and Sunday?
A.
60%
B.
40%
C.
36.5%
D.
125%

Answers

Is there some sort of graph or second part to this?

Answer:

36.5%

Step-by-step explanation:

Please help :(
Find the median and mode of the data.

Answers

median : 3 7/8
mode should be 2 1/2
The Median is 3
The mode is 7

Consider the right rectangular prismWhat is the volume of the right rectangular prism, in cubic inches?


72
cubic inches
72 cubic inches

184
1
2
cubic inches
184 and 1 halfcubic inches

360
cubic inches
360 cubic inches

430
1
2
cubic inches

Answers

Answer:

430.5

Step-by-step explanation:

430.4 Hope it helps———

Which of the following is the correct algebraic representation for a translation 8 units right and 4 units down?
A. (x + 8, y - 4)
B. (x - 4, y + 8)
C. (x – 8, y + 4)
D. (8x, 4y)

Answers

A. (X + 8, y - 4) hope this helps pls make me brainlyest
The correct answer is A. (x + 8, y - 4)

This is the correct answer because when going right on the x axis, means that you are adding or that it is positive. When going left on the x axis, means you are subtracting, or it is negative.

On the y axis, when going up, you are adding or it is positive. So when you are going down, means you are subtracting or it is negative.

I hope that this helps.

PLEASE HELP!!! Find area of each square

Answers

Answer:

25 for the top right, 16 for the left, 9 for the bottom

Step-by-step explanation:

area = length times width

Answer:

Step-by-step explanation:

Area of square = side * side

A1 = 4 * 4 = 16 m²

A2 = 5 * 5 = 25 m²

A3 = 3 * 3 = 9 m²

PLSSS HELP ONLY EVENS ALL 100 points + brainlist NEED HELP ASAP

Answers

Answer:

do u still need

Step-by-step explanation:

Item 6

Find the surface area of the cylinder. Round your answer to the nearest tenth.
could i have 4 brainliests????

Answers

Answer:

Step-by-step explanation:

Answer:

88

Step-by-step explanation:

A storage box has a volume of 56 cubic inches, and the base of the box is 4 inches by 4 inches.

What is the height of the box?

Answers

The height of the box is 3.5in or 3 1/2in
Ok, so first we need the equation. So we know that v=b*w*h. We know that the base is 4 inches and the width is 4 inches as well. So we get the equation v=4*4*h. The volume is also given so the equation changes to 56=4*4*h. So first we multiply the numbers we have to get 56=16*h. Then we divide 16 on both sides. 56/16 is 3.5. We end up with 3.5=h. So the answer is 3.5 inches. You can also put this back in to make sure it is right. To 56=4*4*3.5 is true. So therefore, the answer is 3.5 inches.

Coach Hutchinson is the basketball coach at school. She asks players to record their heights. The histogram shows the data she has collected. Heights of Basketball Team Members Number of players 87-70 71 - 74 Height (inches) What unit of measure is used in the study? A. Number of players B. Feet C. Inches D. Number of observations​

Answers

Answer:

15 pionts t

Step-by-step explanation:

thanks. .dssss

Answer:inches

Step-by-step explanation:i just did the quiz and got it correct!

Estimate first, and then solve using the standard algorithm. Show how you rename the divisor as a whole number. 6.39 ÷ 0.09

Answers

Answer:

71

Step-by-step explanation:

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