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3 years ago

You buy 2 pencils and 3 erasers for $4. How might this look as an equation?

Mathematics

1 answer:

PilotLPTM [1.2K]3 years ago

5 0

Answer:

2x+3y=4 I don't know the variables so I use x and y

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If the scale is 2inches = 5miles. What is the amount of miles in 4 inches?

LUCKY_DIMON [66]

Answer:

D. 10 miles

Step-by-step explanation:

As you know 2 inches=5miles so if you add 2 more inches that is equal to 5 miles you will have to add 5 and 5 which equal 10 miles.

6 0

2 years ago

Mr. Fat needs 20 minutes to eat a pound of cereal, while Mr. Thin needs 30 minutes. If they eat together, how long does it take

marishachu [46]

36 minutes.

(1/20)x+(1/30)x=1solve for x (x=0.8333333333......)
Considering they take the same times for all 3 pounds,
That would mean that since 1 pound takes 12 minutes, then 3 pounds take 36 minutes

4 0

3 years ago

Write and evaluate the expression. Then, check all that apply.

dlinn [17]

Answer:

a-90

=102-90

=12

8 0

4 years ago

Im kinda confused on this. i need help.

RideAnS [48]

Given :-

A graph is given to us .

To Find :-

The equation in slope intercept form .

Answer :-

From the given graph , we can see that the line passes through y axis at (0,5) . So the y intercept is 5 . And the slope of the line is 5/2 = 2.5 . So ,

$\sf\longrightarrow$ y intercept = 5 .

$\sf\longrightarrow$ slope = 5/2 .

Now here we can use the slope intercept form as ,

$\sf\longrightarrow$ y = mx + c

$\sf\longrightarrow$ y = 5/2x + 5

Hence the required answer is y = 5/2x + 5.

4 0

2 years ago

Read 2 more answers

Gloria subscribes to the Webtime Internet Service. Webtime charges a $9.99 monthly service fee plus $1.50 per hour for Internet

Usimov [2.4K]

Answer:

18 hours

Step-by-step explanation:

9.99+x1.5=36.99

x=18

18*1.5=27

9.99+27=36.99

6 0

3 years ago

Read 2 more answers