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VashaNatasha [74]
3 years ago
13

What is (-2)(-5)? Dhdjfhfhhdhd

Mathematics
1 answer:
lbvjy [14]3 years ago
6 0

Answer:

( - 2)( - 5) \\  - 2 \times  - 5 \\   = - 10

<h2><u>please</u><u> mark</u><u> me</u><u> </u><u>brainliest</u></h2>
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Side lengths of triangle : 6cm, 12cm, and 7cm. Do these make a unique triangle, more than one triangle, or no triangle
joja [24]

Answer:

8 triangles

Step-by-step explanation:

I took this question to mean that we have the lengths, 2, 6, and 7 and have multiple copies of them. Using these lengths, what are all of the triangles that can be made?

2x2x2

6x6x6

7x7x7

2x6x7

6x6x7

6x7x7

2x6x6

2x7x7

2x2x6 and 2x2x7 don’t make a triangle.

So, 8 triangles can be made.

from quora

5 0
2 years ago
Find the surface area of the square pyramid shown below. (Measurements in picture)
Sloan [31]

Given:

Side length of base = 8

Slant height = 6

To find:

The surface area of the square pyramid.

Solution:

Surface area:

$SA=A+\frac{1}{2} p s

where A is the area of base

p is the perimeter of base

s is the slant height

Area of base (A) = 8 × 8

                           = 64

Perimeter of base(P) = 4 × 8

                                  = 32

Substitute these in the formula:

$SA=64+\frac{1}{2} \times 32 \times 6

$SA=64+96

$SA=160

The surface area of the square pyramid is 160 unit².

8 0
2 years ago
Read 2 more answers
6.5 more than the quotient of x and 4
n200080 [17]

Answer:

(x/4)+6.5

Step-by-step explanation:

6 0
3 years ago
Need an explanation
aleksandrvk [35]

Answer: Choice B

(6\sqrt{5}+5)i

==========================================================

Work Shown:

\sqrt{-5}+\sqrt{-25}+\sqrt{-125}\\\\\sqrt{-1*5}+\sqrt{-1*25}+\sqrt{-1*25*5}\\\\\sqrt{-1}*\sqrt{5}+\sqrt{-1}*\sqrt{25}+\sqrt{-1}*\sqrt{25}*\sqrt{5}\\\\i*\sqrt{5}+i*5+i*5*\sqrt{5}\\\\i*\sqrt{5}+5i+5i*\sqrt{5}\\\\(i\sqrt{5}+5i*\sqrt{5})+5i\\\\(\sqrt{5}+5\sqrt{5})i+5i\\\\(6\sqrt{5})i+5i\\\\(6\sqrt{5}+5)i\\\\

This points us to answer choice B

7 0
3 years ago
A person walks 1/7 mile in 1/12 hour. the persons speed is _ miles per hour
stepan [7]

Answer the a person walked 1.344 per 1/12

Step-by-step explanation:

4 0
2 years ago
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