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Mice21 [21]
3 years ago
5

Unit cubes in solid figures

Mathematics
1 answer:
andrey2020 [161]3 years ago
6 0
So what you need to do is find the less he can use.
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I don't get this I need help?
Aleks04 [339]

Answer: 4r^2

Step-by-step explanation:

7 0
2 years ago
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Calculate the product: 2 9 × 63 . A. 7 B. 14 C. 18 D. 45
NARA [144]

Answer:

The answer isn't listed in your options, are you sure you didn't make any typos?

Step-by-step explanation:

29*63=1,827

3 0
2 years ago
Ms. Willer wanted to donate 27 cans of food to each of 8 food banks each of food to each of 8 food banks each of the 23 students
Natali [406]
It will need to be 9 as 27 by 8 is 216 and 23 by 9 is 207 and the you subtract 207 from 216 and get 9
7 0
3 years ago
Phil has $20,000, part of which he invests at 8% interest and the rest at 6%. If the total income from the two investments was $
Salsk061 [2.6K]

Answer: 7000

Step-by-step explanation:

Let the amount invested in 8% account be P1 and the amount invested in 6% account be P2

. If the total amount invested is $20,000 then:

P1+P2=20,000. (Eq. 1)

The interest earned in one year from the 8% account is:

I1=0.08P1

and the interest earned in one year from the 6% account is:

I2=0.06P2

If the total interest earned is $1460, then:

I1+I2=1460

0.08P1+0.06P2=1460

(Eq. 2) From Eq. 1 :

P1=20000−P2

Substituting this into Eq. 2:

0.08 (20000−P2) + 0.06P2 = 1460

1600 − 0.08P2 + 0.06P2 = 1460

0.02P2 = 140

P2 = 140 / 0.02

P2 = 7000

Hence, he invested $7000 at the rate of 6%.

8 0
3 years ago
(-(-17) what is the answer simplify the expression
WARRIOR [948]

Answer:

17

Step-by-step explanation:

Whenever you are multiplying 2 negative numbers together, the answer is always positive. In this case, you are multiplying -1 and -17 together, so your answer is going to be 17.

5 0
3 years ago
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