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loris [4]
4 years ago
15

5(m+4)=-2(-4-m)+3 help please

Mathematics
1 answer:
Degger [83]4 years ago
3 0

Answer:

m = -3

Step-by-step explanation:

5m + 20 = 8 + 2m +3

5m + 20 = 11 +2m

3m + 20 = 11

3m = -9

m = -3

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Please help me thanks...
skad [1K]

144.44 in² is the closest amount of paper she will use to wrap the gift.

Solution:

The given net is the shape of the cylinder.

Diameter of the circle = 4 in

Radius of the circle = 4 ÷ 2 = 2 in

Width of the container = 10.5 in

Length of the container is same as the circumference of the circle.

Area of the circle = \pi r^2

                             = 3.14\times 2^2

                             = 12.56 in²

Area of the 2 circles = 2 × 12.56 = 25.12 in²

Area of the rectangle = circumference × height

                                    = 2 \pi r\times h

                                    = 2 \times 3.14 \times 2\times 10.5

                                    = 131.88 in²

Area of the net of the container

                                   = Area of the circles + Area of the rectangle

                                   = 12.56 in² + 131.88 in²

                                   = 144.44 in²

Area of the net of the container =  144.44 in²

Hence  144.44 in² is the closest amount of paper she will use to wrap the gift.

8 0
3 years ago
2. If the tangent to the circle + + y2 = 25 was drawn at the point (-3,4) then its slope would be
9966 [12]

Answer:

Step-by-step explanation:

3/4

7 0
3 years ago
Find the amount of sales. earnings: $150 commission: 20%​
ZanzabumX [31]
The answer to your question is $30
4 0
3 years ago
NEED HELP OMG WILL GIVE 100 POINTS AND MAYBE BRAINLIEST
My name is Ann [436]

Step-by-step explanation:

A:

No graph has been shown.

B:

<u>1.</u>

d = 2.5(20)

d = 50 meters.

<u>2.</u>

time                   distance H                distance E

0                               45                              0

5                               50                             12.5

15                              60                             37.5

20                             65                             50

40                             85                             100

65 - 50 = 15

15 meters

Look at graph image for the distance represented on the graph.

7 0
2 years ago
CAN YOU HELP WITH THIS ONE QUESTION , JUST TRYING TO GET BACK ON HONOR ROLL !
Ivanshal [37]

Answer:

B. TRUE.

(3, 2) is the intersection point of the graphs of

x + y = 5 and x - y = 1.

Step-by-step explanation:

Option B is TRUE because intersection point should satisfy both the equation

and in option be it comes true.

i.e x = 3  and y = 2 we have

3 + 2 = 5 and  3 - 2 = 1

5 = 5       and    1 = 1

Hence TRUE

A.

(3, 2) is the intersection point of the graphs of

3x + 2y = 5 and 3x - 2y = 1.

i.e x = 3  and y = 2 we have

3×3 + 2×2 = 5 and 3×3 - 2×2 = 1

13 ≠ 5               and 5 ≠ 1

Hence FALSE

C.

(5, 1) is the intersection point of the graphs of

3x + 2y = 5 and 3x - 2y = 1.

i.e x = 5  and y = 1 we have

3×5 + 2×3 = 5 and 3×5 - 2×3 = 1

21 ≠ 5               and  9 ≠ 1

Hence FALSE

D.

(5, 1) is the intersection point of the graphs of

x + y = 5 and x - y = 1.

i.e x = 5  and y = 1 we have

5 + 1 = 5 and 5 - 1 = 1

6 ≠ 5      and 4 ≠ 1

Hence FALSE

6 0
3 years ago
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