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antoniya [11.8K]
3 years ago
7

Please help with this question

Mathematics
1 answer:
Nata [24]3 years ago
6 0

Answer:

yes

no

no

Step-by-step explanation:

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Jeremy earns $234 for 36 hours of work. Miguel earns $288 for 40 hours of work . Are the pay rates of these two people proportio
dem82 [27]
The pay rates of these two people are not proportional because if you divide 234 by 36 and 288 by 40, it is shown that Miguel earns $7.20 every hour and Jeremy earns $6.50 per hour. Thus, the pay rates of these two people are not proportional.
8 0
3 years ago
What is the cost of 8 cans of tomato sauce at 48.25 a can?
Delvig [45]
Given facts:
8 cans of tomato sauce
Cost of a can of tomato sauce: $48.25

What the question asks:
What is the total cost of 8 cans of tomato sauce at $48.25 per can?

Operations used:
Multiplication (Since you want to find the cost for 8 cans of tomato sauce, you will want to multiply the individual cost of a can by the total amount of cans.)

Number sentence:
8 \times 48.25

Answer:

8 \times 48.25 = \boxed{386}

8 cans of tomato sauce will cost a total of $386.
8 0
3 years ago
The sum of 3 consecutive odd numbers is 87, what are the numbers?
Nina [5.8K]

Answer:

The numbers are 28, 29 and 30

Step-by-step explanation:

We consider the first number as X, the second consecutive number is X+1 and the third is X + 2. The sum of these 3 numbers is 87, so:

X + X+1 +X+2 = 87    

3x + 3 = 87

We substract 3 on both sides of the equation

3x + 3 - 3 = 87 - 3

3x = 84

We divide by 3 on both sides

x = 28

This means our numbers are 28, 29 and 30

3 0
3 years ago
3/4w - 1 / 2w - 4 = 12
Rasek [7]
The answer to this problem is w=64,

7 0
3 years ago
Read 2 more answers
A fisherman can row upstream at 2 mph and downstream at 8 mph. He started rowing upstream until he got tired and then rowed down
Jobisdone [24]

let's recall that d = rt, distance = rate * time.

he went upstream to a distance "d", got tired and came back to his starting point, so he rowed back a distance "d" exactly.

we know the rates, we also know the trip took 2 hours, let's say on the way over he took "t" hours to get there, on the way back he lasted then "2 - t" hours.

\begin{array}{lcccl} &\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\ \cline{2-4}&\\ Upstream&d&2&t\\ Downstream&d&8&2-t \end{array}\qquad \qquad \begin{cases} d=2t\\\\ d=8(2-t) \end{cases}

\stackrel{\textit{substituting on the 2nd equation}}{2t=8(2-t)\implies 2t=16-8t}\implies 10t=16\implies t=\cfrac{16}{10}\implies t=\cfrac{8}{5} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{we know that}}{d=2t}\implies d=2\left( \cfrac{8}{5} \right)\implies \stackrel{\textit{3 miles and 1056 feet}}{d=\cfrac{16}{5}\implies d=3\frac{1}{5}}

5 0
2 years ago
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