3 years ago

Suppose y varies directly with x. Write an equation relating x and y.

Mathematics

1 answer:

jolli1 [7]3 years ago

4 0

9514 1404 393

Answer:

a. y = -5x

Step-by-step explanation:

The different signs of x and y tell you the constant of proportionality will be negative (eliminating choices b and d).

A quick trial of the given values shows that choice c is incorrect, and that choice a is correct.

You might be interested in

How do cnidaria feed,move, and reproduce

Nady [450]

Answer:

Cnidarians do not have true organs, however. Reproduction is by asexual budding (polyps) or sexual formation of gametes (medusae, some polyps). The result of sexual reproduction is a larva, which can swim on its own.

Step-by-step explanation:

8 0

4 years ago

Sixty percent of the runners who ran the marathon finished the race. If fifteen runners finished, then how many runners ran in t

ZanzabumX [31]

Let they be x

$\\ \rm\Rrightarrow 60\%\: of\:x=15$

$\\ \rm\Rrightarrow \dfrac{3}{5}x=15$

$\\ \rm\Rrightarrow x=15\times \dfrac{5}{3}$

$\\ \rm\Rrightarrow x=5(5)$

$\\ \rm\Rrightarrow x=25$

4 0

2 years ago

Find the simple interest for a $8,000 loan for 2 years at a rate of 4% (formula: l=prt)

Natali [406]

Answer:

S.I= 640

Step-by-step explanation:

I=prt

where p= $8,000

and r= 4%

and t= 2 years

$8,000×4%×2

8,000×4/100×2

80×4×2

=640

Therefore The S.I = 640.

6 0

3 years ago

Subtract:

choli [55]

Answer:

it's answer is D -92

As -57-19-16= -92

3 0

3 years ago

Read 2 more answers

I only have one question left please help?????!?

NemiM [27]

Option 4 would be the correct answer

7 0

3 years ago