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bixtya [17]
2 years ago
15

Two squares are similar. The

Mathematics
1 answer:
Pepsi [2]2 years ago
6 0

Answer:

The perimeter of the second square is 36 inches

Step-by-step explanation:

Given

Represent the sides of the squares with S1 and S2.

So:

S_1:S_2 = 1 : 3 --- Scale factor

P_1 =12 --- perimeter of the first

Required

Calculate P2, the perimeter of the second

Represent the ratios of the perimeter:

Scale = P_1 : P_2

Substitute 12 for P1

Scale = 12 : P_2

Equate both scale factors

12 : P_2 = 1:3

Convert to fraction

\frac{12}{P_2} = \frac{1}{3}

Cross multiply

P_2 = 12 * 3

P_2 = 36

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Solve the systems by elimination: <br><br> 8x-2y= -10<br> -4x+y= 5
Pachacha [2.7K]

Let's eliminate x.  To achieve this, mult. the 2nd equation by 2, obtaining

-8x + 2y = 10.  Now add this result to the first equation:

8x-2y= -10

-8x + 2y = 10

---------------------

        0

The two equations actually represent the same line.   Without an x- or a y-value, we cannot solve for the value of the other variable.  There are infinitely many solutions.

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4 0
3 years ago
15 kg 30 gm divided by 5= how much gm?
alekssr [168]
90gm because you times 15 by 30 and then you divide
7 0
3 years ago
Can someone please take a look at the attachment and tell me what the answer is? Serious answers only please!
siniylev [52]
The solid line indicates that the line itself is included in the solutions.  That the shaded area is to the left, or under, the line means that y≤the line.

To find the equation of the line you first find the slope or m using any two points.

m=(y2-y1)/(x2-x1)  in this case you are given (2,-5) and (-2, 3) so

m=(3--5)/(-2-2)

m=8/-4

m=-2

So far for y≤mx+b we have:

y=-2x+b  using either point we can solve for b, I'll use (2,-5)

-5=-2(2)+b

-5=-4+b

-1=b

So the line is:

y=-2x-1  and since y≤ the line:

y≤-2x-1
5 0
3 years ago
What is (1/4) / (6/7)<br> Please don’t just tell me the answer, please review the steps.
lbvjy [14]

Answer:

7/24 Is The Answer!

Step-by-step explanation:

Division of fractions is equivalent to multiplication by the reciprocal of the second fraction:

1/4 Divided by 6/7 = 1/4 ₓ 7/6

Once rearranged, multiply all of the numerators by each other. Do the same with the denominators and form a new fraction with these values:

1/4 times 7/6 = 7/24

The result Is

1/4 divided by 6/7 = 7/24

6 0
3 years ago
20 points to help with this
Vikentia [17]

Answer:

Help what?

Step-by-step explanation:

6 0
2 years ago
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