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disa [49]
2 years ago
10

The sum of two numbers is 76 and their difference is 52. Find the two numbers. Please explain

Mathematics
1 answer:
Yanka [14]2 years ago
6 0

Step-by-step explanation:

hope it helps first find one number and then multiply one number by 2

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Help please asap I’m desperate!
Verizon [17]

Answer:

f(x)=x-2x+3; f(x)=-bx

x-2x=3=-bx

x+4x+3=0

(x+3) (x+1) = 0

x=-3 or x=-1

when x+-3. f(x)=b x(-3)=18

x=-1. f(x) = - b x (-1) = b

so system of equations : ( -3, -18)

; (-),b

Step-by-step explanation:

hope it helps

8 0
2 years ago
PLS HELP!! 1 through 8, if you answer you don’t have to do them all just at least a few pls
GenaCL600 [577]

Answer:

1) 29

2) 64

you can use the explanation below to help find the other 6 problems

Step-by-step explanation:

1) 4(5+6) - 15 = 4 * 11 - 15 = 44 - 15 = 29

2) 8(2+4) + 16 = 8 * 6 + 16 = 48 + 16 = 64

3 0
3 years ago
Read 2 more answers
Confused! Please help and show how you did it.
natta225 [31]
The formula for the area is length times width, so for question 17, multiply those two numbers together.

If he drives 9 miles to work per day and works 5 days a week, you would need to get the total of miles per week. Then, once you do, multiply that number by 52.

7 0
3 years ago
A smart phone costs $149.99 before tax. The the tax on the phone is 7 percent.What is the total cost of the smart phone?Round yo
Yuri [45]
7% is the same as 7/100 so take

149.99 x 7/100 = $10.50 which is the TAX

and then add that to the original price 

10.50 + 149.99 = 160.49
5 0
3 years ago
Find the surface area of the tool box. Round your answer to the nearest tenth and explain your answer. ​Pls I NEED THE ANSWER NO
Andrej [43]

Answer:

807.8 in^2

Step-by-step explanation:

The total area of the box is the sum of the areas of all faces of the box. The top, bottom, front, and back faces are rectangles 18 in long. The end faces each consist of a rectangle and a triangle. We can compute the sum of these like this:

The areas of top, bottom, front, and back add up to be 18 inches wide by the length that is the perimeter of the end: 2·5in +2·8 in + 9.6 in = 35.8 in. That lateral area is ...

(18 in)(35.6 in) = 640.8 in^2

The area of the triangle on each end is equivalent to the area of a rectangle half as high, so we can compute the area of each end as ...

(9.6 in)(8.7 in) = 83.52 in^2

Then the total area is the lateral area plus the area of the two ends:

640.8 in^2 + 2·83.52 in^2 = 807.84 in^2 ≈ 807.8 in^2

7 0
2 years ago
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