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Zepler [3.9K]
3 years ago
11

What is the value of (-2.2) (2.2) (-1.6)

Mathematics
2 answers:
Firdavs [7]3 years ago
3 0
-2.2*2.2*-1.6=7.744
Hope this helps!
Pani-rosa [81]3 years ago
3 0
7.744 is the answer. Hope this helps.
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A trapezoid pyramid has a base area of 128 square centimeters. If it’s volume is 10,240 cubic centimeters, what is the height of
White raven [17]

Answer:

The height of the pyramid is 1.875\ cm

Step-by-step explanation:

we know that

The volume of the trapezoid pyramid is equal to

V=Bh

where

B is the area of the trapezoid base

h is the height of the pyramid

we have

B=128\ cm^{2}

V=240\ cm^{3}

substitute and solve for h

240=(128)h

h=240/(128)=1.875\ cm

3 0
3 years ago
A person invested 3,900 in an account growing at a rate allowing the money to double every 7 years. How much money would be in t
alina1380 [7]

Answer:

23182 or 23181.5109105

Step-by-step explanation:

8 0
3 years ago
1 2/5m - 3/5 ( 2/5m + 1 )
Hunter-Best [27]

Answer:

1 4/25 - 3/5, or 29/25 - 3/5, or \frac{(29m - 15)}{25}

it doesn't really matter they all mean the same

Step-by-step explanation:

1 2/5m - 3/5(2/5m + 1)

multiply first

1 2/5m - 6/25m - 3/5

multiply 1 2/5 only so the denominator is 25 as we can't simplify 6/25, it's so we can add them together, we can't add 3/5 tho bc it's a different term so there's no need to multiply that.

1 10/25m - 6/25m - 3/5

add/subtract

1 4/25m - 3/5

4 0
2 years ago
Solve for x. −3(x−5)−2x=−10 Enter your answer in the box. x =
harkovskaia [24]

x= 5 that is what x =


8 0
3 years ago
Read 2 more answers
Jerry works for 7 hours at $10.50 per hour. How much does she earn
ipn [44]

Answer: Jerry earns $73.50

Step-by-step explanation:

let n = the number of hours she worked

10.50n

10.50 x 7 = 73.5

$73.50

6 0
2 years ago
Read 2 more answers
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