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kozerog [31]
2 years ago
10

At a sale, Ricardo bought 24 reams of paper and 4 inkjet cartridges for $320. Britney bought 2 reams of paper and 1 inkjet cartr

idge for $50. The rams of paper were all the same price and the inkjet cartridges were all the same price. Write a system of equations to represent this situation. Determine the best method to solve the system of equations. Then solve the system.
Mathematics
1 answer:
Illusion [34]2 years ago
7 0

Answer: 7.50 in paper and 35 in ink.

Step-by-step explanation:

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X =<br><br> a) 90<br> b) 135<br> c) 270
Serga [27]
If the outer arc is x, the inner arc is 360 - x

90 = \frac{1}{2}( x - (360 - x) )

90 = \frac{1}{2}( x - 360 + x )

90 = \frac{1}{2}( 2x - 360)

180 = 2x - 360

2x = 360 + 180

2x = 540

x = 270
5 0
3 years ago
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Standard form of 40+2+.3+.08
yan [13]

40 + 2 = 42 \\ .3 + .08 = .38 \\ .38 + 42 = 42.38
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3 years ago
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How many liters of water must be added to 15 liters of 40 % sugar syrup to obtain 30 % sugar syrup?
Ivanshal [37]

Answer:

The amount of water need to be added is 5 liters.

Step-by-step explanation:

Let's "x" be amount of water in (liters) added to 15 liters of 40% of sugar syrup.

Now find the amount of sugar syrup = 40% of 15

= 0.4 × 15

The amount of sugar syrup = 6 Liters

To dilute  30% we need to find amount of water to be added.

So,

30% of (15 + x) = 6

0.3 × (15 + x) = 6

4.5 + 0.3x = 6

0.3x = 6 - 4.5

0.3x = 1.5

Dividing both sides, by 0.3, we get

x = 5

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6 0
3 years ago
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Question Completion Status:
jeka94

Answer:

y=3x-3

Step-by-step explanation:

The equation of the line with the slope m and passing through the point (x_0,y_0) is

y-y_0=m(x-x_0)

In your case,

m=3\\ \\x_0=3\\ \\y_0=6

Hence, the equation of the line is

y-6=3(x-3)\\ \\y-6=3x-9\\ \\y=3x-9+6\\ \\y=3x-3

3 0
3 years ago
Monica made a drawing of her patio using the scale 1 inch equals 4 feet. The length of the patio in her drawing was 11 inches. W
kow [346]

1 inch = 4 feet

11 inches = 44 feet (multiply both sides by 11)

<h3>Answer: 44 feet</h3>
6 0
3 years ago
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