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Vinvika [58]
3 years ago
7

Jimmy goes for a run with his friends on the weekend. They run 11km in 5 hours. How long

Mathematics
1 answer:
zheka24 [161]3 years ago
7 0
11km = 5h
1km = 5h divide by 11km = 0.45h
16.5km = 0.45 x 16.5 = 7.42 h
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irinina [24]

Answer:

x = 2

y = 0

Step-by-step explanation:

We can solve using substitution, substitute y in the first equation with the second equation:

-(-6x + 12) + 3x = 6

Distribute the negative sign:

6x - 12 + 3x = 6

Combine like terms:

9x - 12 = 6

Isolate the variable and solve for x by adding 12 in both sides:

9x = 18

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Substitute 2 with x in any equation to find the value of y:

-y + 3(2) = 6

-y + 6 = 6

Subtract 6 in both sides to isolate the variable:

-y = 0

0/-1 = 0

y = 0

Our answer would be x = 2 and y = 0

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3 years ago
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olga nikolaevna [1]

to prove that 6720. Sin 40. Sin 60. 80 equals 3 you'd have to divide 16 by 20 multiply subtract both sides by 3 which is 24x + 6x + 8x + -14 equals 40 40 + 20 equals 16 - -40 equals 80 which equals to 3

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3 years ago
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elena-14-01-66 [18.8K]

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Step-by-step explanation:

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2 years ago
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Sonja [21]

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Step-by-step explanation:

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3 years ago
-5 < x - 4 greater than it equal 1
saul85 [17]

We have expression -5 < x - 4 \geq 1 that renders the system of inequalities,

\begin{cases}-5 < x - 4 \\x - 4 \geq 1\end{cases}

Which can be simplified to,

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So what we get is something greater than -1 and at the same time greater or equal to 5, so the solution is,

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Hope this helps.

6 0
3 years ago
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