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ella [17]
3 years ago
14

It the ratio 35 to 10 proportional to the ratio 7 to 5

Mathematics
1 answer:
ipn [44]3 years ago
4 0
Response:

35 : 10 = 7 : 2

Therefore 35 : 10 ≠ 7 : 5
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Helena wants to paint a box in the shape of a cube with sides that are 18 inches long. what is the surface area that Helena will
yan [13]

Answer:

1944 Inches Squared

Step-by-step explanation:

Surface area Formula for a Cube:

A = 6a^2

The "edge", which is also the side, is 18 inches.

a = 18

Solve the formula.

A= 6a^2 = 6(18)^2 = 6 * 18^2\\18^2 = 324\\324 * 6 = 1944\\A=1944

The cube's surface area should be 1944 square inches.

5 0
3 years ago
Frank and Gertrude mow lawns for extra money over the summer. Frank's income is determined by f(x) = 5x + 15, where x is the num
lys-0071 [83]

Answer:

d. h(x) = 9x + 35, team with Gertrude

Step-by-step explanation:

Just took the test XD.

But also it is solved by simply adding 4x+20 and 5x+15

7 0
3 years ago
alex is building a circular base for a fountain. The radius of the circle is 4 ft. what is the area of the base ?
romanna [79]
The area of a circle is measure by
A=pi(r)^2
So we would do
Area= pi(4)^
ANSWER
Area=16pi
Area is about=50.24 if using 3.14 as pi
7 0
3 years ago
Can somebody help me
pantera1 [17]

The answer is B. The angle next to 100 degrees would be 80 as the angles are supplementary. Then you would add 80 + 70 = 150. All the angles in a triangle add to 180, thus making the "x" angle 30 due to 180 - 150.

Hope this helped :))

7 0
3 years ago
If a certain object has a density of 223 g/cm3 and a mass of 26 grams
maks197457 [2]

Answer:

0.11659...cm3

Step-by-step explanation:

To find volume you would have to plug it in the formula Volume= Mass / density so if we plug it in it will be, X(volume): 26(mass)/223(density) you will get 0.11659...cm3

4 0
2 years ago
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