Please help and show work

Mathematics

1 answer:

mestny [16]3 years ago

7 0

18- 5x
19- 6x
I'm not sure but I had a test like this

You might be interested in

Cannonballs are stacked in a pyramid shape with a triangular base of 5 cannonballs on a side. How many cannonballs in all are in

jek_recluse [69]

Answer:

one side would be 15, you need to do 15x4 to find the whole pyramid, so it would be 60

Step-by-step explanation:

4 0

4 years ago

Solve each inequality. p + 5 < 10 A. p < –15 B. p < 5 C. p < 15 D. p < –5

EastWind [94]

Answer:

B) p<5

Step-by-step explanation:

5 0

4 years ago

Evaluate the expression 2x - 5 when x = -5 <br> C) 5<br> D) 15<br> A)-5<br> B) -15

IRINA_888 [86]

Answer:

B) -15

Step-by-step explanation:

8 0

3 years ago

Convert 7.23 (3 reapting) to a fraction

Svetllana [295]

$x=7.2\overline{3}\\\\10x=72.\overline{3}\\\\100x=723.\overline{3}\\\\100x-10x=723.\overline{3}-72.\overline{3}\\\\90x=651\\\\x=\dfrac{651}{90}=\dfrac{217}{30}$

8 0

3 years ago

Researchers ask a random sample of 1,001 adults nationwide whether they favor or oppose the legalization of marijuana. Fifty-fiv

natima [27]

Answer:

b. It will decrease by a factor of 2

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence interval $1-\alpha$ , we have the following confidence interval of proportions.