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AlladinOne [14]
4 years ago
8

This needs to be simplified

Mathematics
1 answer:
chubhunter [2.5K]4 years ago
4 0

Answer:

28x+20

Step-by-step explanation:

2.5(10x+8)=25x+20=25x+20+3x=28x+20

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How many different rectangles can you draw, that has an area of 28 cm sq. ? pls help me
jolli1 [7]

Answer:

You can draw three rectangles:

1- 28 * 1.

2- 14*2

3- 7*4

Step-by-step explanation:

We have a total area of 28. If we use only integer numbers, we can find all the divisors of 28. The possible rectangles will be organized with them, taking into account that the product of them, which means the area should be 28.

28 = 1*2*2*7

We can organize them as follows:

R1: 28 = 1*28

R2: 28 = 2*14

R3: 28 = 4*7

Finally, we can conclude that there are only three possibilities

1- 28 by 1.

2- 14 by 2

3- 7 by4

The perimeters will be:

Perimeter 1 = 2x1 + 2x28 = 58

Perimeter 2 = 2x2 + 2x14 = 32

Perimeter 3 = 2x4+2x7 = 22

3 0
3 years ago
Explain which trig functions and identities produce circles, ellipses and hyperbolas.
Lemur [1.5K]
Note that we can also write equations for circles<span>, </span>ellipses, and hyperbolas<span> in terms of cos and sin, and other </span>trigonometric functions<span>; there are examples of these ...</span>
7 0
4 years ago
When the denominator and numerator are equal, it means?
WITCHER [35]
The fraction is one whole aka one
5 0
3 years ago
2x° + 14°<br> 60°<br> X=<br> degrees.
pickupchik [31]
2x+14=60(vertical)
2x=46
x=23
4 0
3 years ago
Solve for y please! <br> 7x + 8y = -12
Mrac [35]

Step-by-step explanation:

7x + 8y = -12

8y=-12-7x

y=

\frac{ - 12 - 7 x}{8}

6 0
3 years ago
Read 2 more answers
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