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Lera25 [3.4K]
3 years ago
9

If 7x+5=-2, find the value of 8x?

Mathematics
1 answer:
Mama L [17]3 years ago
5 0
7x + 5 = -2
7x = -2 - 5 = -7
7x + x = -7 + x
8x = -7 + x
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3 years ago
40 is what percent of 32?
Daniel [21]

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125%

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Is means equals and of means multiply

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7 0
3 years ago
Read 2 more answers
Pls pls answer this asap no wrong answers pls
klemol [59]

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20, increased, Bianca

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First one:

He is shown to have travelled 20km in 1 hour, so that's 20km/h.

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The gradient is how steep the curve is, the steeper the faster the person is travelling. Due to the fact Bianca's curve becomes steeper, it shows she is travelling faster. Therefore, her running speed increases.

Third:

Bianca's line hits 50km before Alberto, so therefore she finished first.

Let me know if this makes sense, hope it helped! :D

6 0
2 years ago
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