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Vinil7 [7]
3 years ago
7

Someone plz help me on this

Mathematics
1 answer:
ad-work [718]3 years ago
5 0
A. -35
B. +15
C. +3
D. +50
E. +15

A. I am including a picture
B. A
C. B and C

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find 2 consecutive integers such that three times the square of the first is equal to seven more than five times the second
melamori03 [73]

Answer:

Step-by-step explanation:

We are looking for two numbers, N and N + 1. From the problem statement, we can setup the following equation:

3N^{2} = 5(N + 1) + 7

3N^{2} = 5N + 5 + 7

3N^{2} - 5N - 12 = 0

(3N + 4)(N - 3)

N = \frac{-4}{3}, 3

Because 3 is the only integer solution, the answer is 3 and 4.

5 0
3 years ago
Each cube in this solid figure is a unit cube.<br><br> What is the volume of this solid figure?
padilas [110]

Answer:

The volume of this given solid figure is 18 cubic units.

Step-by-step explanation:

Here, given the volume of 1 small cube = 1 cubic units

Now, counting the total cubes in the given solid figure, we get

Number of cubes in base row = 10

Number of cubes in middle row  = 6

Number of cubes in top most row = 2

So, the total number of cubes in the figure  = 10 + 6 + 2 = 18 cubes

So, the volume of 18 cubes  = 18 ( Volume of 1 small cube)

                                              =  18 x (1 cubic units)  = 18 cubic units

Hence, the volume of this given solid figure is 18 cubic units.

5 0
3 years ago
If the height of the cylinder is 3 inches, what is the volume of the cylinder? Write your answer in terms of p.
azamat
Formula for Volume of Cylinder you need the radius
7 0
3 years ago
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A 39 inch piece of steel cut into 3 pieces so that the second piece is twice as long as the first piece and the third piece is t
dalvyx [7]

The length of the first piece is 4 the second piece is 8 and the third piece is 27.  Your Welcome

4 0
3 years ago
Emma buys and sells parts.She bought two tires for $35.00 each and later sold them for $65.00 each.She bought rims for $75.00 ea
otez555 [7]

Answer:

Step-by-step explanation:

She bought two tires for $35.00 each. This means that the total amount for which she bought the tires is

35 × 2 = $70

She later sold them for $65.00 each. This means that the total amount for which she sold the tires is

65 × 2 = $130

Her profit from the tires is

130 - 70 = $60

She bought rims for $75.00 each. This means that the total amount for which she bought the rims is

75 × 2 = $150

She later sold them for $136.00 each. This means that the total amount for which she sold the rims is

136 × 2 = $272

Her profit from selling the rims is

272 - 150 = $122

Her total profit is

60 + 122 = $182

4 0
3 years ago
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