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Vika [28.1K]
3 years ago
11

Plz help me with numbers 7&8 and there is a box below for answers and it needs to be and answer to that question

Mathematics
1 answer:
mash [69]3 years ago
5 0
Okay so the first one, you compare the fractions

3
12 150

3 * 150 / 12

the second, you add the number of beads, so 20 beads, and put them into a fraction with how many beads the red and green are, so 8+6= 14

the fraction is 14
20

now put it to a bead is picked 60 times.

14
20 60

14 * 60 / 20
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the utility industry has 428.5 thousand jobs in 2010 and is expected to decline at an average rate of 3 thousand jobs per year f
Aleksandr-060686 [28]

Answer: 7%

Step-by-step explanation:

Given: Initial jobs = 428.5 thousand

Average rate of declining of jobs  from 2010 to 2020 =  3 thousand jobs per year

From 2010 to 2020 , there are 10 years.

Total jobs declines till 2020 = 10 x (3 thousand)

= 30 thousand  (Change in jobs)

Now, utilities percent change for 2010 to 2020​ : \dfrac{change \  in \  job\  numbers}{Initial\ jobs}\times 100

=\dfrac{30}{428.5}\times100\\\\\approx7.00\%

Utilities percent change for 2010 to 2020 = 7 %

7 0
3 years ago
If the point (2, -10) lies on the graph of a direct variation, which represents the direct variation equation?
Zanzabum

\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] ~\dotfill\\\\ (\stackrel{x}{2},\stackrel{y}{-10})~~ \textit{we know } \begin{cases} x=2\\ y=-10 \end{cases}\implies -10=k2\implies \cfrac{-10}{2}=k\implies -5=k \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill y=-5x~\hfill

8 0
3 years ago
Which of these points is closest to the point (7,1)?
xz_007 [3.2K]

Answer:

6,7

Step-by-step explanation:

8 0
3 years ago
Is 24 laps in 6 minutes equivalent
alekssr [168]

Answer:

yes it is

Step-by-step explanation:

that is a lap every 6 seconds .


4 0
3 years ago
Vera owns 17 pairs of socks how many sock does she have in all​
madam [21]

Answer:

Step-by-step explanation:

The total number of socks = 17 × 2 = 34

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So in 17 pairs there are 34 socks

Plz mark it as brainliest

8 0
3 years ago
Read 2 more answers
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