3 years ago

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Mathematics

1 answer:

ioda3 years ago

7 0

Answer:

you shouldnt put u questions like this or youll get banned trust me i have been

Step-by-step explanation:

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3∙(a+x), if a=8; x=−10

Oksi-84 [34.3K]

Your answer should be -6

6 0

4 years ago

Please help!! will give brainliest and 20points!!! SUPER EASY PROBLEM

Fiesta28 [93]

Answer:

C. 184 ft²

Step-by-Step Explanation:

The formula for the surface area of a triangular prism is

SA = bh + 2ls + lb; where b = base, h = height, l = length, s = side

First, substitute the known value into the equation:

b = 6 ft

h = 4 ft

l = 10 ft

s = 5 ft

SA = (6)(4) + 2(10)(5) + (10)(6)

Then, all we have to do is simplify:

SA = 24 + 2(50) + 60

SA = 24 + 100 + 60

SA = 184 ft²

Hope this helps!

5 0

3 years ago

I need some... help anyone have a clue?

IrinaVladis [17]

Answer:

(x+3)(x+5)

Step-by-step explanation:

8 0

3 years ago

A shelf is designed so it will fit in a 90º corner between two walls. The shelf has dimensions, rounded to the nearest tenth, as

den301095 [7]

Answer:

Yes, it will fit snugly in a 90º corner

Step-by-step explanation:

To do this, we simply need to check if the given sides of the shelf is right-angled.

So, we have:

$Hypotenuse = \sqrt{242$

$Side\ 1 = Side\ 2 = 11$

To check for right-angle triangle, we make use of:

$Side\ 1^2 + Side\ 2^2 = Hypotenuse^2$

This gives:

$11^2 + 11^2 = \sqrt{242}^2$

$121 + 121 = \sqrt{242}^2$

$242 = \sqrt{242}^2$

$242 = 242$

This shows that the given sides of the shelf is a right-angled triangle.

Hence, it will fit the wall

4 0

3 years ago

What is the difference between the predicted value and the actual value

snow_lady [41]

It’s a prediction so basically an estimate of how much students he thought were going to be there. An actual number is the real total.

3 0

3 years ago