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Marina86 [1]
3 years ago
14

Pls help me with this​

Mathematics
1 answer:
Marizza181 [45]3 years ago
6 0

Step-by-step explanation:

3.2 \times  {10}^{4}  \times 1.6 \times  {10}^{7}  = 5.1 \times  {10}^{11}

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Help please, I’m stressing and I’m going to have a mental break down
pogonyaev

Answer:

Step-by-step explanation:

Volume = surface area of base * height

=\frac{25}{4}*\frac{8}{5}\\\\=5*2=10\\\\=10 units^{3}

7 0
3 years ago
Fencing costs £13.25 per metre.<br>How much does 12.5 m cost?​
Soloha48 [4]

Answer:

165.62500 or 165.625 (simplified

Step-by-step explanation:

In order to find the solution you need to multiply £13.25 by 12.5 m.

You can do this in a few ways:

  • £13.25^12.5
  • £13.25 x 12.5

Both of those will get you your answer

165.62500

6 0
3 years ago
X + (2x + 5) = 3(x – 4)+7
eduard

Answer:

Not true

Step-by-step explanation:

x + (2x + 5) = 3(x – 4)+7

Opening bracket on left and side and distributing 3 over (x-4) on right hand side

x+2x+5=3x-3 x 4 + 7

adding like terms

3x+5=3x-12+7

3x+5=3x-5

Hence

5 = -5

Which is not possible , Hence the equation given to us is false.

5 0
3 years ago
What is 4/5 of 55?<br> Pls help me
rjkz [21]

Answer:

44

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Dave was playing checkers with a friend. The ratio of games Dave won was 7:2. If Dave won 35 games, how many games did his frien
Mars2501 [29]

Answer:

His friend won 10 games.

Step-by-step explanation:

In order to find this, divide the number of games that he won by his part of the proportion (7).

35/7 = 5

5 in this case is the scale factor. We can now multiply his friend's winnings to get the total number of his wins.

5 * 2 = 10

7 0
3 years ago
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