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SVEN [57.7K]
3 years ago
15

Using substitutionx + 2y = 17x + y = 11​

Mathematics
2 answers:
andre [41]3 years ago
7 0

Answer:

(x,y)=(5,6)

Step-by-step explanation:

Naddika [18.5K]3 years ago
3 0

Answer:

X=17-2y

Substitute y with 6 as 6*2=12

12+x=17

X=17-2*6

X =5

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Gary needs 6 bolts for a car repair. The bolts only come in packs of 10.
Inessa [10]

Answer: 60%

Step-by-step explanation:

10 percent is 1 bolt so therefore 6 bolts would make 60%

7 0
3 years ago
A rectangle has a perimeter of 68 inches it’s length is 2 inches less than 3 times the width what is the area of the rectangle
Kruka [31]

Answer:

225 inches²

Step-by-step explanation:

Let the length be l and width be w

Condition 1

2l+2w=68 (Perimeter=68)--------(i)

Condition 2

l=3w-2 ---------(ii)

Putting equation (ii) in (i)

2(3w-2)+2w=68

6w-4+2w=68

8w-4=68

8w=68+4

8w=72

dividing both sides by 8

w=9 inches

now putting w=9 in (ii)

l=3(9)-2

l=27-2

l=25 inches

Now

Area of rectangle =  l × w

=9 × 25

=225 inches²

4 0
3 years ago
12. Will you miks the paint? Answers
wolverine [178]

The required proportion of the blue paint is 18 liters.

Given that,
The ratio of yellow and blue colors is 2:3
The proportion of the yellow color is 12 liters.
The proportion of blue color is to be determined.

<h3>What is the Ratio?</h3>

The ratio can be defined as the comparison of the fraction of one quantity towards others. e.g.- water in milk.

Let the proportion of the blue color is x,
Now, the ratio can be given as
12 / x = 2 / 3
x = 12 * 3 / 2
x = 18

Thus, the required proportion of the blue paint is 18 liters.

Learn more about Ratio here:

brainly.com/question/13419413

#SPJ1

The question given is incomplete, a proper question could be
A paint store mixes yellow and blue paint in a ratio of 2:3 to make green paint. If they used 12 liters of yellow paint, how many liters of blue paint were used?

7 0
2 years ago
Simplify the following expressions in indices <br>(2 x 103 x 3 x 105)/2 x 10-2​
Maurinko [17]

(2 x 103 x 3 x 105) = 64890

2 x 10 -2 = 20 - 2 = 18

64890 / 18

3605

Or (206 x 315) / 20 - 2

3 0
3 years ago
Kevin can travel 22 1/2 miles in 1/3 hour .What is the average speed in miles per hour?
pochemuha
He would travel 67 1/2 miles in an hour.
3 0
3 years ago
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