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3 years ago

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

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 $V_1$

$V_2 = 3 * 300in^3$

$V_2 = 900in^3$

Hence, the volume of the cylinder is 900 cubic inches

6 0

3 years ago

Solve for y: -10x + 8y = 2 What is the value of y when x = 7? y =

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