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d1i1m1o1n [39]
3 years ago
15

PLEASE HELP ME!!!!!!!!!!!!!!!

Mathematics
2 answers:
mel-nik [20]3 years ago
7 0
D sorry if I’m wrong!!
Yuliya22 [10]3 years ago
4 0

Answer:

d I think

Step-by-step explanation:

blablablablabal

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Simplify eight to the -5 power/eight to the -3rd power
Nesterboy [21]

Answer:

8^-5 = 1/32768

8^-3= 1/512

Step-by-step explanation:

4 0
4 years ago
Can you explain it please and which method is correct?​
Ksju [112]

Answer:

The second one (answer of 3), but the other ones could've worked, they were just calculated wrong.

Step-by-step explanation:

Here's why each one did or didn't work:

First answer- you had the right idea by cancelling out the two in the denominator, however if you're going to divide 2, you have to divide it from everything in the equation. Meaning you would divide 4 by 2 to get 2, and then add the 1 + 2 to get final answer 3.

Second answer- since you added the numerator separately and then did the basic division, this worked.

Third one- similarly to the first one, you would have to also divide the 2 by 2 to get 1, then adding 1 + 2 to get 3.

3 0
3 years ago
How do you solve for(−5)^5(−5)^−6
Aleonysh [2.5K]

Answer:

-1/5

Step-by-step explanation:

We know that a^b * a^c = a^(b+c)

(−5)^5(−5)^−6

(-5) ^(5+-6)

(-5)^-1

We know that a^-b = 1/a^b

1/(-5)^1

1/-5

-1/5

3 0
3 years ago
. Dinah bought 3 packages of ground beef. The packages weigh 3 3/4 pounds, 1 1/8 pounds, and 2 1/2 pounds. How many pounds of gr
IgorC [24]

Answer:

6 3/8

Step-by-step explanation:

Convert the fractions so that the denominators match.

3\frac{3}{4} =3\frac{6}{8}, then 3\frac{6}{8}=\frac{30}{8}

1\frac{1}{8}=\frac{9}{8}

2\frac{1}{2}=\frac{3}{2}, then \frac{3}{2}=\frac{12}{8}

Add up the fractions.

\frac{30}{8}+\frac{9}{8}+\frac{12}{8} =\frac{51}{8} =6\frac{3}{8}

8 0
3 years ago
Read 2 more answers
I WILL GIVE BRAINY IF UR RIGHT
Charra [1.4K]

Answer:

Step-by-step explanation:

the first choice sorry if i wrong

5 0
3 years ago
Read 2 more answers
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