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3 years ago

Plzzzz help me ..........

Mathematics

1 answer:

e-lub [12.9K]3 years ago

3 0

Answer:

a =31. b=11

Step-by-step explanation:

working is above

multiply on the right side of the =sign which gives you(14 and 33)

then compare or u can equate both sides

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I dont get it. I need help with a and b plz

ser-zykov [4K]

Subtract 120 every time but I don’t know the second one

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3 years ago

A cuboid has a square base of side x cm. The volume of the cuboid is V cm^3 and the height is h cm.

Lemur [1.5K]

You will need the formula for finding the volume of a rectangular prism (cuboid).
V = l x w x h

1. V = x^2 x h

2. To solve for x, you will substitute in the information you know.

150 = x^2 x 24
Divide both sides by 24 to get

6.25= x^2
The square root of 6.25 is 2.5.

x = 2.5 cm

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3 years ago

there are 91 threatened and endangered plants and animals in Texas write and solve an equation to find the number of threatened

TEA [102]

$\sf 91 - 28 = threatened~and~endangered~animals\\threatened~and~endangered~animals= 63$

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4 years ago

How would you combine the area of the top circle, bottom circle, and rolled-out the cylinder to make the total surface area?

aliya0001 [1]

Answer:

The total surface area of a cylinder is equal to the sum of areas of all its faces. The total surface area with radius ‘r’, and height ‘h’ is equal to the sum of the curved area and circular areas of the cylinder.

TSA = 2π × r × h + 2πr2= 2πr (h + r) Square units

5 0

2 years ago

Read 2 more answers

WILL MARK BRAINLIEST

kicyunya [14]

Answer:

66 cm

Step-by-step explanation:

Let's define the circumference first.

It is the boundary of any curved geometric figure specially circle.

We are given the diameter of the circle in the diagram

The diameter is:

d = 21 cm

to find the circumference, we have to find the radius of the circle first.

As radius is half of diameter

d = r/2

= 21/2

= 10.5 cm

The formula for circumference is:

$C = 2\pi r\\Putting\ the\ values\\C = 2 * \frac{22}{7}*10.5\\ C = \frac{462}{7}\\ C= 66\ cm$

The circumference is 66 cm ..

8 0

4 years ago

Read 2 more answers

Plzzzz help me ..........​

Plzzzz help me ..........