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avanturin [10]
1 year ago
10

At noon, a cold front moved

Mathematics
1 answer:
Zigmanuir [339]1 year ago
5 0

Step-by-step explanation:

the temperature fell 24°F in 7 hours.

so, when it had -2°F at 7pm, it had 24° more 7 hours before that.

that is 22°F at 12pm (noon).

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If -3m + 1 > 7, which of the following is a solution set for m?
Papessa [141]

ANSWER

m < -2

EXPLANATION

We want to find the solution set for m in:

-3m+1>7

First, collect like terms:

\begin{gathered} -3m>7-1 \\ -3m>6 \end{gathered}

Now, divide both sides by -3. When you divide an inequality by a negative number, <em>the sign changes direction</em>:

\begin{gathered} \frac{-3m}{-3}>\frac{6}{-3} \\ m

This means that all values of m must be less than -2.

<em>None of the options contains the correct solution set.</em>

4 0
1 year ago
Find the sum of the first 7 terms of the following series, to the nearest integer.
givi [52]

Answer:

9.983796

Step-by-step explanation:

Every time, it becomes smaller by 5/2 (6 divided by 5/2 is 12/5.... 12/5 divided by 5/2 is 24/25)

So, the first seven terms are 6, 2.4, 0.96, 0.384, 0.1536, 0.06144, 0.024756. Add them together and your answer would be 9.983796

Pleaseeee mark me brainliest :))

3 0
3 years ago
Read 2 more answers
Factor the expression: <br> 30 + 100c
ANEK [815]
10(3+10с)
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Which of the 5 is the answer
ahrayia [7]

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Because all r negative numbers

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What number can be placed in the blank to make the value of -13 and negative number
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