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bixtya [17]
3 years ago
8

16. Show your work and check your answer(s). √2x-1+7=4

Mathematics
1 answer:
shtirl [24]3 years ago
5 0

Answer

X=25

Step-by-step explanation:

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T&L - Math 7 - Volume 7.4 -19-20
Mashcka [7]

Answer: You would need 512 cubic centimetres

Step-by-step explanation: The first approach to this question would be to understand the properties of the shape given in the question.

If a cube has an edge with length 8 cm, then all edges measure 8 cm as well. That is one property of a cube. Hence, the length, width and height all measure 8 cm each.

The volume of a cube is given as follows;

V = L x W x H (and the answer is expressed as V³)

Since the length , width and height all measure 8 cm, the volume can simply be expressed as

V = L x L x L

V = L³

V = 8³

V = 512 cm³

Therefore to completely fill a cube with edge length of 8 cm you would need 512 cubic centimetres.

5 0
3 years ago
IM SO BORED I’m in the car with absolutely nothing to do please help me
s344n2d4d5 [400]

Answer: F

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Use compatible numbers to find two estimates: 17 ÷1569
Mekhanik [1.2K]
I dont know what you mean but i devided 17 and 1569 and it =s 0.0108349267
7 0
3 years ago
QuestiuI4
4vir4ik [10]

Answer:

The new volume is 14,850cm³

Step-by-step explanation:

Given

Volume of a rectangular prism = 550cm

Required

Value of volume when the dimensions are tripled.

The volume of a rectangular prism is calculated using the following formula.

V = lbh

<em>When Volume = 550, the formula is written as follows</em>

550 = lbh

<em>Rearrange</em>

lbh = 550

However, when each dimension is tripled.

This means that,

new length = 3 * old length

new breadth = 3 * old breadth

new height = 3 * old height

<em>Let L, B and H represent the new length, new breadth and new height respectively</em>

In other words,

L = 3l

B = 3b

H = 3h

Calculating new volume

New volume = LBH

Substitute, 3l for L, 3b for B and 3h for H;

V = 3l * 3b * 3h

V = 3 * l * 3 * b * 3 * h

V = 3 * 3 * 3 * l*b*h

V = 27 * lbh

Recall that lbh = 550

So,

V = 27 * 550

V = 14,850

Hence, the new volume is 14,850cm³

6 0
3 years ago
Read 2 more answers
What is the missing value; 9 to 7 = 45 to _____
ser-zykov [4K]

Answer:

9 to 7 = 45 to 35..

Step-by-step explanation:

Given function:

  • 9 to 7 = 45 to x

<u><em>to find x:</em></u>

  • divide 45 by 9
  • 45*9=5
  • if 9·5=45 then x would be 7·5..
  • 7·5=35

Therefore, x=35.

3 0
3 years ago
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