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3 years ago

Solve the linear inequality −9.5x−1.5>−30

Mathematics

2 answers:

Hitman42 [59]3 years ago

6 0

The answer that I got for this question:

x<3

aivan3 [116]3 years ago

6 0

Answer:

x<3

Step-by-step explanation:

I am confirming this answer to be correct! :)

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What is the sum of the series *picture attached*

Ksivusya [100]

Answer:

$\sum_{n=4}^{18}(n+1)^2=2440$

Step-by-step explanation:

Series: $\sum_{n=4}^{18} (n+1)^2$

Formula : $\sum_{k=m}^n=\sum_{k=1}^n-\sum_{k=1}^{m-1}$

$\Rightarrow \sum_{n=4}^{18}(n+1)^2=\sum_{n=1}^{18}(n+1)^2-\sum_{n=1}^{3}(n+1)^2$

$\sum_{n=1}^{18}(n+1)^2=2469$

$\sum_{n=1}^{3}(n+1)^2=29$

$\Rightarrow \sum_{n=4}^{18}(n+1)^2=2469-29$

$\Rightarrow \sum_{n=4}^{18}(n+1)^2=2440$

So, Option C is true

8 0

3 years ago

Becky drew drawing of a sign before creating it. Her scale drawing had a width of 6 inches, and the actual sign has a width of 4

Vlad1618 [11]

Answer:

3 in. = 2ft

Step-by-step explanation:

6 in. = 4ft

3 in. = 2ft

5 0

3 years ago

253,248,243, find the 49th term.

denpristay [2]

Answer:

Step-by-step explanation:

the difference is -5

nth=a+(n-1)d
a=253,n=49,d=5
253+(49-1)×-5
253+48×-5
253+(-240)
253-240=13

the 49th term is 13

8 0

3 years ago

A $79 television is on sale for $65. What percent discount was given A) 18% B) 82% C) 65% D) 6%

Nina [5.8K]

Answer:

A) 18%

Step-by-step explanation:

Find percent change by subtracting to find the change, then put that over the original amount and times by 100.

79 - 65 is 14

change/original is

14/79

= .177

Then times 100 to make the decimal into a percent.

0.177×100 is 17.7%

which rounds to 18%.

3 0

2 years ago

Estimate sixty-two percent of one hundred twenty-four.

Sergeu [11.5K]

Approximately 77

reasoning — 62% of 100 = 62
and ————— 10% of 24 = 2.4 * 6 = 14.4
———————— 62 + 14.4 = 76.4 ,
and i rounded up since i didn’t do the full 62% of 24 .
giving the estimated answer of about 77

4 0

3 years ago