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Afina-wow [57]
4 years ago
14

Which is a name for the angle shown? Select all that apply

Mathematics
1 answer:
sladkih [1.3K]4 years ago
5 0

Answer:

D

Step-by-step explanation:

<h2>Well, the angle is an acute angle and <CDE is what would connect to make an acute angle. Easy.</h2>
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Need help asap :):):)
DIA [1.3K]

Answer:

Step-by-step explanation:

First circle 3x-15=12

3 0
3 years ago
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GIVING BRAINLIEST PLS HELP
creativ13 [48]

Answer:

A) x-5

Step-by-step explanation:

(x-5)(x^2+3x) = x^3-2x^2 -15

6 0
3 years ago
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A closed box has a square base with side length feet and height feet. Given that the volume of the box is cubic feet, express th
Paha777 [63]

Complete Question:

A closed box has a square base with side length L feet and height h feet. Given that the volume of the box is 39 cubic feet, express the surface area of the box in terms of L only.

Answer:

A =  \frac{156}{L} + 2L^2

Step-by-step explanation:

Given

Volume = 39ft^3

Required

Express the surface area in terms of L

Because the box has a square base:

The volume is:

Volume = Base\ Area * Height

Where

Base\ Area = L * L

So, we have:

Volume = L * L * H

Substitute 39 for Volume

39= L * L * H

39= L^2 * H

Make H the subject

H = \frac{39}{L^2}

The surface area (A) of a box with square base is:

A = 2(LH + LH + L^2)

A = 2(2LH + L^2)

Open bracket

A = 4LH + 2L^2

Substitute \frac{39}{L^2} for H

A = 4L * \frac{39}{L^2} + 2L^2

A =  \frac{4L *39}{L^2} + 2L^2

A =  \frac{4*39}{L} + 2L^2

A =  \frac{156}{L} + 2L^2

4 0
3 years ago
I need help on this to make sure im doing it right.<br><br>(3n)(6n^2) what is the answer
san4es73 [151]
I believe this is the answer 18n^3
5 0
4 years ago
–2x(–3x 2 y)(2y) = ? A. 12x 3y 2 B. –3xy2 C. 3xy2 D. –12x 3y 2
Rina8888 [55]

Answer:

Option A - -2x(-3x^2y)(2y)=12x^3y^2

Step-by-step explanation:

Given : Expression -2x(-3x^2y)(2y)

To find : Solve the expression ?

Solution :

Step 1 - Write the expression

-2x(-3x^2y)(2y)

Step 2 - Multiply the first two bracket in multiplication if base are same power get added and apply symbol rule of multiplication (-)(-)=(+)

=(6x^3y)(2y)

Step 3 - Again multiply the bracket,

=12x^3y^2

Therefore, Option A is correct -2x(-3x^2y)(2y)=12x^3y^2

3 0
3 years ago
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