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Valentin [98]
3 years ago
8

7th grade math. answer ASAP. If you answer correctly i will give thx, 5 star, and brainliest

Mathematics
1 answer:
Viktor [21]3 years ago
8 0
Okay. First thngs first, let's divide each of them. 2.6/1.3 is 2. Now in terms of exponents, we would just simply subtract the powers, because we are doing division. 9 - 2 is 7. The value of the expression is 2 * 10^7. Even writing the problem out in number form (2,600,000,000/130), you can still see the answer to the problem as 20 million. The answer is B.
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What is 1/8 of the sum of 23 and 17
garik1379 [7]
The sum of 23 and 17 = 23+17
1/8 of the sum of 23 and 17 = 1/8(23+17)

\frac{1}{8}(23+17)=\frac{1}{8} \times 40=\frac{40}{8}=5
4 0
3 years ago
I Need help with question 21 and 22 !
USPshnik [31]
11) First, add 74 and 43.

74+43=117

Subtract 117 from 180. Do this because this will give you the value of angle 1. This is because the sum of the angles in a triangle will always add up to 180 degrees.

180-117=63

Angle 1 = 63 degrees

Angle 2 also equals 63 degrees, because they are vertical angles.

Angle 2= 63 degrees

Now, add 63 and 79

63+79=142

Subtract 142 from 180

180-142=38

Angle 3 = 38 degrees

12)

First, subtract 56 from 180. Do this to find angle C. They are supplementary angles, so they will equal 180 degrees.

180-56=124

Angle C=124 degrees

Now, add 124 and 20

124+20=144

Finally, subtract 144 from 180

180-144=36

The measure of angle A is 36 degrees

Hope this helped! :)


7 0
3 years ago
A piece of rope 27m long is cut into two pieces so that one piece is four-fifths as long as the other. Find the length of each p
nata0808 [166]

Answer:

x+.8x=27

1.8x=27

x=15

4/5(15)=12

So 15 and 12

Step-by-step explanation:

8 0
3 years ago
How many thousands are in 3.293
just olya [345]

??? what do u mean

like numbers in the thousands place is 3


8 0
3 years ago
Read 2 more answers
If I have 10 dollars and I win 6 out of 10 and lose 4 out of 10 and bet 1$ each trade, how much should there be left after 10 tr
ololo11 [35]

you will be left with 12 dollars.

<u> </u><u>Step-by-step explanation: </u>

Given:

The actual money you have = 10 dollars.

The bet amount for each trade= 1$

For each win, you get extra +1 dollar.

Step 1:

So, you won 6 trades= (6*1)= 6$

Step 2:

For each lose, you loss -1 dollar.

Step 3:

So, you lose 4 trades= (4)*(-1)= -4$

Step 4:

After 10 trades, the money you earned is= 6$ -4$= 2 dollars.

Finally, the total money left after 10 trades is= actual money + earned money                                                

= $10 + $2= 12 dollars.

7 0
3 years ago
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