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3 years ago

Each equation given below describes a parabola. Which statement best compares their graphs?

Mathematics

2 answers:

kkurt [141]3 years ago

8 0

The answer to this question is

Both Parabolas open to the right, and x= 3y2 is wider than x= 5y2.

(APEX)

Aloiza [94]3 years ago

3 0

Answer:

Step-by-step explanation:

Two equations describing parabolas have been given in the question

x = 5y² and x = 3y²

Both the parabolas have their vertices at origin (0,0).

They are on the x- axis and opening at the right.

Parabola represented by an equation x = 3y² is having wider opening than other parabola represented by x = 5y².

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Pedro has simplified 4/7 ÷ 5/8

Scorpion4ik [409]

Answer:

32/35 or 0.914

Step-by-step explanation:

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3 years ago

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At East Middle School, there are 585858 left-handed students and 609609609 right-handed students. The numbers of left- and right

lisabon 2012 [21]

Answer: C. Left-handed: 48 Right-handed: 504

E. Left-handed: 30 Right-handed: 315

Step-by-step explanation:

Here is the completed question:

At East Middle School, there are 58 left-handed students and 609 right-handed students. The numbers of left- and right-handed students at West Junior High are proportional to the numbers at East Middle School. Which of the following could be the numbers of left-handed and right-handed students at West Junior High?

A. Left-handed: 42 Right-handed: 483

B. Left-handed: 28 Right-handed: 378

C. Left-handed: 48 Right-handed: 504

D. Left-handed: 56 Right-handed: 560

E. Left-handed: 30 Right-handed: 315

Since it's direct proportion, we have to calculate the constant of proportionality which will simply be:

= 609 / 58 = 10.5

A. Left-handed: 42 Right-handed: 483

Constant = 483/42 = 11.5

Incorrect

B. Left-handed: 28 Right-handed: 378

Constant = 378/28 = 13.5

Incorrect

C. Left-handed: 48 Right-handed: 504

Constant = 504/48 = 10.5

Correct

D. Left-handed: 56 Right-handed: 560

Constant = 560/56 = 10

Incorrect

E. Left-handed: 30 Right-handed: 315

Constant = 315/30 = 10.5

Correct

Therefore, the correct options are C and E.

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2 years ago

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Eq 1 X+Y=16 <br> Eq 2 6x+9y=120<br><br> Solve by substitution <br> Solve step by step

Alexxx [7]

Answer:

X = 8, Y = 8

Step-by-step explanation:

Step 1) Solve for Y w/ bottom equation to yield - y = -2/3x + 40/3.

Step 2) substitute equation into x + y = 16 to get 1/3x + 40/3 = 16 multiply by 3 to clear the fractions and get x + 40 = 48 - subtract 40 by both sides to get x = 8.

Step 3) Plug x = 8 into the bottom equation to get 48 + 9y = 120, subtract 48 by both sides to get 9y = 72 and then divide by 9. The product is y = 8.

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2 years ago

Please help me. It's urgent

siniylev [52]

Answer:

a) 7/5

Step-by-step explanation:

$y-\frac{y-1}{2}=1-\frac{y-2}{3} \\Through\ the\ butterfly\ method\ of\ resolving\ denominators\ ,\\\frac{2y-(y-1)}{2} = \frac{3-(y-2)}{3} \\\frac{2y-y+1}{2} = \frac{3-y+2}{3} \\\frac{y+1}{2} =\frac{5-y}{3} \\3(y+1)=2(5-y)\\3y+3=10-2y\\3y+2y=10-3\\5y=7\\y=\frac{7}{5}$

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2 years ago

Select the correct answer.

ivanzaharov [21]

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To learn more about weather, please check: brainly.com/question/9382618

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2 years ago

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