Marla did 65 sit-up each day for one week. Use dostributive to solve

Mathematics

1 answer:

Inessa [10]3 years ago

6 0

7×65 7×(60+5)
(7×60) (7×5)
(420)+(35)
The answer is 455

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Find the fourth term of the sequence given by the rule tn= -2(2)^n-1 A) 32 B) -32 C)-1 6 D) 16

BartSMP [9]

<h2>Answer: C)-16</h2>

Step-by-step explanation:

We have a sequence with the following rule:

$t_{(n)}=-2(2)^{n-1}$

This gives us the n term of the sequence. Now, if we want to find the fourth term, we have to substitute $n$ by 4:

$t_{(4)}=-2(2)^{4-1}$

$t_{(4)}=-2(2)^{3}$

$t_{(4)}=-2(8)$

Finally:

$t_{(4)}=-16$ This is the fourth term of the sequence

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3 years ago

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patriot [66]

Answer:

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Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

Look at the picture

IRISSAK [1]

Answer:

x = 10

Step-by-step explanation:

In the last step, you can see that the fraction $\frac{1}{5}$ has been multiplied by its reciprocal $\frac{5}{1}$ , making it cancel out. The reciprocal has been multiplied to both sides, so all you need to do is multiply $\frac{6}{3}$ · $\frac{5}{1}$ :