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netineya [11]
3 years ago
10

ANYBODY KNO ?????????????????????????

Mathematics
1 answer:
ahrayia [7]3 years ago
8 0

Answer:

the second one

Step-by-step explanation:

(-2*12)+(-2*-3)

=-24+6

=-18

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The side length of the base of a square pyramid is 30 centimeters. The height of the pyramid is 45 centimeters.
puteri [66]

Answer:

volume = 13500 cm^{3}

Step-by-step explanation:

For a given pyramid, its volume can be determined by:

volume of pyramid = \frac{lwh}{3}

Where: l is the base length, w is the base width and h id the height of the pyramid.

For the given question, l 30 cm, w = 30 cm and h = 45 cm.

So that,

volume = \frac{30*30*45}{3}

            = \frac{40500}{3}

            = 13500

volume = 13500 cm^{3}

The volume of the pyramid is 13500 cm^{3}.

6 0
2 years ago
Calvin paid $1.79$1.79 per pound of beans both times that he went shopping for supplies for a chili cook-off. He bought 4.054.05
qwelly [4]
1.79(4.05 + 2.78) is the answer i had this question and this is the right answer I hope it helps 
5 0
3 years ago
Read 2 more answers
If a change dispenser contains 32 coins consisting of
swat32
<h3>Answer:  19 dimes</h3>

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

Work Shown:

d = number of dimes

q = 32-d = number of quarters

$5.15 = 515 cents

10d+25q = 515

10d+25(32-d) = 515

10d+800-25d = 515

-15d+800 = 515

-15d = 515-800

-15d = -285

d = -285/(-15)

d = 19

There are 19 dimes. You can stop here if you want.

q = 32-d = 32-19 = 13

There are 13 quarters

-------------------------------

Check:

1 dime = 10 cents

19 dimes = 19*10 = 190 cents

1 quarter = 25 cents

13 quarters = 13*25 = 325 cents

total value = 190 cents + 325 cents = 515 cents = $5.15

The answer is confirmed.

6 0
3 years ago
Vivian draws three right triangles. In each figure, she measures a pair of angles, as shown.
Usimov [2.4K]

acute angles are complementary



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Line l has a slope of the line through which of the following pair of points is perpendicular to l?
gladu [14]
C) (7,7), (-5,4)
I hope it helps
8 0
3 years ago
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