1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
mart [117]
3 years ago
11

What value of m makes the equation 5/2(4m-8)- 2(6m -7)= -10 true?

Mathematics
1 answer:
Dmitrij [34]3 years ago
4 0
\dfrac{5}{2}(4m-8)- 2(6m -7)= -10\\\\\\\dfrac{5\cdot4}{2}m-\dfrac{5\cdot8}{2}- 2\cdot6m -2\cdot(-7)= -10\\\\\\\dfrac{20}{2}m-\dfrac{40}{2}-12m+14=-10\\\\\\10m-20-12m+14=-10\\\\-2m-6=-10\quad|\cdot(-1)\\\\2m+6=10\\\\2m=10-6\\\\2m=4\quad|:2\\\\\boxed{m=2}

Answer C.
You might be interested in
4/9=w+4<br><br> solve for w.
Elina [12.6K]

Answer:

-32/9

Step-by-step explanation:

4/9=w+4

4/9-4/1=w

4-36/9=w

w=-32/9 or w=-3.56

5 0
3 years ago
Read 2 more answers
If 4 men in 5 days eat 7 pounds of bread how much will be sufficient for 16 men in 15 days ?
Makovka662 [10]

I would say 28 pounds

4 0
4 years ago
Find the area of the shaded region if the dimensions of the unshaded region are 20ft x 35ft . use 3.14 for π as necessary.
Westkost [7]

Area of the shaded region is 1397.46 square feet.

<h3>what is area of shaded region?</h3>

The area of the shaded region is the difference between the area of the entire polygon and the area of the unshaded part inside the polygon. The area of the shaded part can occur in two ways in polygons. The shaded region can be located at the center of a polygon or the sides of the polygon.

We are to find the area of the shaded region. For that, we will divide the figure into smaller shapes, find their areas separately and then add them up.

From the given figure, we can see that there are two semi circles or say one whole circle if we combine them at the ends while 2 rectangles at the top and bottom.

Radius of circle = \frac{20+7+7}{2} = 17

Area of circle = \pi r^{2}

                      = \pi( 17)^{2}

                      = 907.92 square ft.

Area of rectangles =2×(l×b)

                              = 2×20×35

                              = 490 square ft

Then,

Area of the shaded region = 907.92 +490

                                            = 1397.46 square ft

Hence,Area of the shaded region is 1397.46 square ft.

To learn more about area of shaded region from the given link:

brainly.com/question/12930222

The above question is not complete.

#SPJ4

8 0
2 years ago
SHOW ALL WORK
omeli [17]

Answer:

1. 14%

2. 98%

3. 52%

4. 13%

5. 39%

6. 28%

7. 20%

8. 37%

9. 17%

10. 19%

Step-by-step explanation:

To get a percentage divide the small number by the big number and then multiply by 100.

1. 28/200 = 0.14 * 100 = 14

2. 931/950 = 0.98 * 100 = 98

3. 364/700 = 0.52 * 100 = 52

4. 13/100 = 0.13 * 100 = 13

5. 273/700 = 0.39 * 100 = 39

6. 161/575 = 0.28 *100 = 28

7. 200/1000 = 0.2 * 100 = 20

8. 68/400 = 0.37 * 100 = 37

9. 68/400 = 0.17 * 100 = 17

10. 95/500 = 0.19 * 100 = 19

6 0
4 years ago
A limited-edition poster increases in value each year with an initial value of $18. After 1 year and an increase of 15% per year
Andru [333]

Answer:

y = 18 * 1.15^x

Step-by-step explanation:

Given

a = 18 --- initial

r =15\% -- rate

Value after a year = $20.70

Required

Expression to calculate its value after y years

This is calculated using:

y = ab^x

Where

b=1 +r

Substitute r =15\% in b=1 +r

b = 1 + 15\%

b = 1 + 0.15

b = 1.15

Substitute b = 1.15 and a = 18 in y = ab^x

y = 18 * 1.15^x

5 0
3 years ago
Other questions:
  • The question is below
    14·2 answers
  • The heaviest weight anyone has lifted with their tongue is 12kg what's this in pounds
    10·1 answer
  • Question in image below
    11·1 answer
  • Solve. x – 6 = 14 – 8 0 12 20 –12
    13·1 answer
  • What is the domain of the following parabola?
    9·1 answer
  • Can someone help with this question please?
    12·1 answer
  • What is the value of ??????
    7·1 answer
  • A teacher buys a binder for $1.75 and a monthly planner for $9.50 for each student in their classroom. The teacher spends a tota
    9·2 answers
  • The perimeter of a rectangle is 34 cm, the width is 5 cm. How long is the rectangle
    7·1 answer
  • HELP PLEASE THIS IS DUE<br><br> Root 2x+10 -6=2<br> PLEASE SHOW ALL WORK <br> thanks :)
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!