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Sergio [31]
2 years ago
5

Please help me with number 3 and 4

Mathematics
1 answer:
STALIN [3.7K]2 years ago
7 0
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Evaluate 12.3p+11.5r when p=6 and r=7. 12.3​(___)+11.5​(___) = ​___+80.5 = ​__
Ronch [10]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
15 - 8x2 + 6x - 4x2 +11
Oksanka [162]

Answer:

-2 • (6x2 - 3x - 13)

Step-by-step explanation:

8 0
2 years ago
True or false ? The polynomial below is a perfect square trinomial of the form A2-2AB+B2 4x2-16x+16
Vlad1618 [11]
True

4x^2 -16x +16 = (2x -4)^2

A = 2x
B = 4
3 0
3 years ago
A rectangle has a length of twenty one cm and a diagonal of twenty nine cm. How wide is the rectangle?
GuDViN [60]

The width of the rectangle become 20 cm.

According to the statement

we have to find the width of the rectangle.

So, For this purpose, we know that the

Rectangle is a parallelogram all of whose angles are right angles.

According to the information:

A rectangle has a length of 21 cm and a diagonal of 29 cm.

Here we use the this formula

d² = l² + w²

So, Substitute the values

29² = 21² + w²

841 = 441 + w²

Now, solve it then

w² = 400

Solve the square root then value becomes

w = 20 cm.

The width of the rectangle become 20 cm.

So, The width of the rectangle become 20 cm.

Learn more about Rectangle here

brainly.com/question/19819849

#SPJ9

3 0
1 year ago
Find the length of the missing side. If necessary, round to the nearest tenth. side A = 38 side b =b side  c = 34
ohaa [14]
A) 51, assuming this is a *right* triangle:

38^2+34^2 = 50.99^2, rounding 51!!
5 0
2 years ago
Read 2 more answers
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