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I am Lyosha [343]
4 years ago
11

Which of the following are equivalent ratios?A: 12 : 16B: 3 : 5C: 2 : 3D: 6 : 8​

Mathematics
1 answer:
Alla [95]4 years ago
8 0

The equivalent ratios are A and D.

Here's an explanation:

When you look at D, you see that 12 is a multiple of 6, and 16 is a multiple of 8. So you know that it looks like they're equivalent. Then you test it out, 12/2=6. 16/2=8. so 12:16 = 6:8. Eyeballing it first can save time sometimes.

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Tell whether (2,6) is a solution of y = 3x. (show your work)
Anna11 [10]

Answer:

Yes

Step-by-step explanation:

Yes, because 6=3*2.

4 0
3 years ago
If ON=8x*8, LM=7x+4, NM=x-5, and OL=3y-6, find the values of x and y for which LMNO must be a parallelogram. The diagram is not
lana66690 [7]
ON = 8x • 8
LM = 7x + 4
NM = x - 5
OL = 3y - 6

OL is congruent & parallel to NM
LM is congruent & parallel to ON

So,
8x \times 8 = 7x + 4
Simplify
64x = 7x + 4
subtract 7x from both sides
57x = 4
divide 57 from both sides
x =  \frac{4}{57}
Substitute x into equations
8x \times 8 = 7x + 4 =  4  \frac{28}{57}

3y - 6 = x - 5
3y - 6 = 4 \frac{28}{57}  - 5
3y - 6 =  -  \frac{28}{57}
NM & OL = -28/57
ON & LM = 4 + (28/57)


4 0
3 years ago
Read 2 more answers
Select the best answer for the question (Algebra II)
Rainbow [258]
The answer is A, simple math with a calculator
4 0
3 years ago
Hey can you please help me posted picture of question
Debora [2.8K]
We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

x= \frac{-b+- \sqrt{ b^{2} -4ac} }{2a}

b = coefficient of x term = -11
a = coefficient of squared term = 2
c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ 
x= \frac{11+-1}{4} \\  \\ 
x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
4 years ago
Esther cut a square paper vertically to make two rectangle pieces. Each rectangle had a perimeter of 63 inches.
Studentka2010 [4]

Answer:

Side of the square paper = 21 inches

Step-by-step explanation:

Let the square paper is having measure of each side = a inches

Esther cut this square piece into two pieces.

Let the other side of one rectangle piece = x inches

Perimeter of this piece = 2(a + x) inches

Similarly dimensions of the other rectangular piece will be = a inches × (a - x) inches

Perimeter of this piece = 2[a + (a - x)]

Since both the rectangular pieces have the same perimeter = 63

So, 2(a + x) = 2[a + (a - x)] = 63

2(a + x) = 2(2x - x)

a + x = 2a - x

2a - a = 2x

a = 2x

x = \frac{a}{2}

Therefore, Perimeter = 2(a + x) = 2(a + \frac{a}{2}) = 63

2\times \frac{3a}{2} = 63

3a = 63

a = 21

Therefore, measure of the sides of the square is 21 inches.

5 0
3 years ago
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