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maks197457 [2]
3 years ago
14

X+7=15 help me fasttttttt​

Mathematics
2 answers:
Allisa [31]3 years ago
4 0

Answer:

x=8

Step-by-step explanation:

x+7=15

-7      -7

x=8

Mark me Brainliest?

Step2247 [10]3 years ago
4 0

Answer:

Its 8

Step-by-step explanation:

x+7=15

Subtract 7 from both sides.

x=8

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Sin30=4/sqrt{3}/x<br><br><br> How to solve?
iragen [17]

Answer:

x=\dfrac{8}{\sqrt3}

Step-by-step explanation:

Given that,

\sin(30)=\dfrac{\dfrac{4}{\sqrt3}}{x} ...(1)

We need to find the value of x.

We know that,

sin30 = 1/2

Use it in equation (1).

\dfrac{1}{2}=\dfrac{\dfrac{4}{\sqrt3}}{x}\\\\x=\dfrac{4}{\sqrt3}\times 2\\\\x=\dfrac{8}{\sqrt3}

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2 years ago
A truck that has a mass of 2900kg and is moving down a hill that is 5 m high. What is the potential energy?
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3 0
3 years ago
Round 17.5 to the nearest 1
skelet666 [1.2K]

Answer:

18

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8 0
3 years ago
you have only nicole's and dimes in your piggy bank. when you ran the coins through a change counter, it indicated you have 595
Kryger [21]
Let's say the amount of nickels you have is hmm "n"

and the amount of dimes you have is "d"

there are 5cents in one nickel, so, if "n" is the total amount of nickels you have, that means 5 * n cents or 5n

there are 10cents in one dime, so, if "d" is the total amount of dimes  you have, that means 10*d or 10d

whatever 5n and 10d are, we know that their sum is 595
since the total amount the counter said you have is, only 595 cents

thus 5n + 10d = 595

solve for either, "d" or "n", and graph that

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3 0
3 years ago
A ribbon is 4 m long. How many pieces each 30 cm long can be cut from the ribbon?​
EleoNora [17]

Answer:

13 pieces

Step-by-step explanation:

First we convert 4m into cm :

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4m = 400cm

Now we need to figure out how many 30s go into 400 :

400 ÷ 30 = 13 remainder 10

So 13 pieces can be cut from the ribbon

Hope this helped and have a good day  

5 0
2 years ago
Read 2 more answers
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