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Natali [406]
3 years ago
14

Me need help in math plz help me

Mathematics
1 answer:
KiRa [710]3 years ago
8 0
It should be 3 but i think 4
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Hurry plz ill give you brainllest
Andru [333]

Answer:

-5.3+12.8

Step-by-step explanation:

So, you just add or divide each equation given until you find the one that gives you the answer of 7.5.

-5.3+12.8= 7.5 is the correct one.

4 0
4 years ago
We are two integers whose product is -4 and whose sum is 3, what are we?
Marrrta [24]
The two Integers are -1 and 4. Since the product of -1 and 4 is -4, Also since the sum of 4 and -1 is 3 that would be the two integers you are looking for.
4 0
3 years ago
The volume of a right circular cone is 300 cubic inches. What is the volume, in cubic inches, of a right cylinder th
AlexFokin [52]

Answer:

The volume of the cylinder is 900 cubic inches

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Step-by-step explanation:

Given

Let V1 represent the volume of a cone and V2 represents the volume of a cylinder

V_1 = 300in^3

Required

Determine the volume of a cylinder with same dimension

The volume of a cone is calculated as:

V_1 = \frac{1}{3}\pi r^2h

The volume of a cylinder is calculated as:

V_2 = \pi r^2h

Since, the cone and cylinder have the same dimensions, we can substitute \pi r^2h for V_2 in V_1 = \frac{1}{3}\pi r^2h

So, we have:

V_1 = \frac{1}{3} * V_2

Multiply both sides by 3

3 * V_1 = \frac{1}{3} * V_2 * 3

3 * V_1 = V_2

V_2 = 3 * V_1

Substitute 300in^3 for V_1

V_2 = 3 * 300in^3

V_2 = 900in^3

<em>Hence, the volume of the cylinder is 900 cubic inches</em>

6 0
3 years ago
Solve for y: -10x + 8y = 2<br> What is the value of y when x = 7?<br> y<br> =
7nadin3 [17]

Answer: y=9. -10x7=-70. 8x9=72. -70+72=2

Step-by-step explanation:

5 0
3 years ago
Which is a better estimate for the height of a boot 37 cm or 37 m
kobusy [5.1K]

Answer:

37 cm

Step-by-step explanation:

4 0
3 years ago
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