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shutvik [7]
3 years ago
9

Solve the equation 6x+3y=15for y what does y equal if x=2 if x=5

Mathematics
1 answer:
avanturin [10]3 years ago
3 0
6x+3y=15
6*2+3y=15
12+3y=15
      3y=3
        y=1

6x+3y=15
6*5+3y=15
30+3y=15
      3y=-15
        y=-5

The answers is y=1 & -5

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Answer:

39V3 Sq.units of that will help you

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3 years ago
Find the area of the circle r = 3 ft
pav-90 [236]

Answer:

9π ft² or approximately 28.26 ft²

Step-by-step explanation:

The area of a circle is A=πr².

Plug 3 in for the radius.

A=π(3²)

A=9π ft²,

or using 3.14 for pi,

Approximately 28.26 ft².

5 0
3 years ago
Whrite 2 diffrent pairs of decimals whose sums are 14.1 .One pair sould involve regrouping
wariber [46]
7.1 + 7= 14.1
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5 0
3 years ago
Find the product -2/9(-5/3) I-Ready math
Verizon [17]

The product of the given fractions, -2/9(-5/3), is: 10/27.

<h3>How to Find the Product of Two Fractions?</h3>

Given the fractions, -2/9(-5/3), recall that minus multiplied by minus equals plus.

So therefore, the product of the two fractions would be a positive number. Thus:

-2/9(-5/3) = (-2 × -5)/(9 × 3)

-2/9(-5/3) = 10/27

Therefore, the product is: 10/27.

Learn more about product of fractions on:

brainly.com/question/82108

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8 0
2 years ago
Can anyone help me with the 7th and 8th question which I have taken a bad photo of?
Vsevolod [243]
<u>Question 7:

Define x :
</u>
Let the digit in the ones place be x.
The digit in the tens place is  x+2.

The sum of the digit and its reverse is 66

<u>Find x:</u>

10(x + 2) + x + 10x + (x + 2) = 66
10x  + 20 + x + 10x + x + 2 = 66
22x + 22 = 66
22x = 44
x = 2

<u>Find the number:</u>

The number in the ones place = x= 2
The number in the tens place = x = 2 + 2 = 4

Answer : The number is 42.

<u>Question 8:</u>

<u>Define x:</u>

Let the digit in the tens place be x.
The digit in the ones place is x+7.

The number  = 10x + x + 7 = 11x + 7

If the digit interchange,
the number = 10(x + 7) + x = 10x + 70 + x = 11x + 70

<u>Find x:
</u>
9(11x + 7) = 2(11x + 70)
99x + 63 = 22x + 140
99x - 22x = 140 - 63
77x = 77
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<u>Find the number:
</u>
x = 1
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So the number is 18

Answer: The number is 18.

7 0
3 years ago
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