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igomit [66]
3 years ago
7

Please help me I need this

Mathematics
2 answers:
Inessa [10]3 years ago
6 0

Answer:

72.50-35=37.5

37.5 divided by 0.05=750

so she sent 750 text so the answer is A

Hope This Helps!!!

Oksana_A [137]3 years ago
6 0

Answer:

she sent an extra 750 texts

Step-by-step explanation:

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Daniel dives into a swimming pool. The height of his head is represented by the function h(t) = -8t2 - 28t + 60, where t is the
8_murik_8 [283]
So, h(t) is how far is Daniel's head from the surface of the water, namely the surface itself is when the height is nill, so his head is at the surface and the height of it is just 0, thus h(t)  = 0.  Namely, what is "t" when h(t) is 0?

\bf h(t)=-8t^2-28t+60\implies \stackrel{h(t)}{0}=-8t^2-28t+60
\\\\\\
0=-2t^2-7t+15\implies 2t^2+7t-15=0\implies (2t+3)(t-5)=0
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\begin{cases}
2t+3=0\implies 2t=-3\implies &t=-\frac{3}{2}\\\\
t-5=0\implies &\boxed{t=5}
\end{cases}

clearly the seconds cannot be a negative unit, so is not -3/2.
6 0
2 years ago
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olga nikolaevna [1]

Answer:

Hmm

Step-by-step explanation:

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2 years ago
What percent of 15% of 60
AveGali [126]

Answer:

the answer is 9

Step-by-step explanation:

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PLZ HELP I WILL GIVE THE BRAINLEST AND 22 PTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! An expression is shown below: 6(m + 2 +
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Answer:

part A: expression 1: 6(8m+2)

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