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2 years ago

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Mathematics

1 answer:

Ulleksa [173]2 years ago

7 0

Answer:

3 ÷ 8

Step-by-step explanation:

1. A fraction has two parts: a numerator and a denominator. The numerator is the dividend (the number that is to be divided by the divisor), and the denominator is the divisor (the number that is divided into the dividend).

2. Given the information above, we know that 3 is the numerator, and 8 is the denominator. This means 3 ÷ 8 = 3/8.

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What is the vertex form of y=-2x2+4x + 3?

sukhopar [10]

Answer:

$y=-2(x-1)^2+5$

Step-by-step explanation:

we have

$y=-2x^2+4x+3$

This is the equation of a vertical parabola open downward

The vertex represent a maximum

Convert the quadratic equation into vertex form

step 1

Factor -2

$y=-2(x^2-2x)+3$

step 2

Complete the square

$y=-2(x^2-2x+1)+3+2$

$y=-2(x^2-2x+1)+5$

step 3

Rewrite as perfect squares

$y=-2(x-1)^2+5$ ----> equation in vertex form

The vertex is the point (1,5)

3 0

3 years ago

Wesley can use the equation y=3x to calculate how far he has walked, where y represents the number of miles walked, and x repres

arlik [135]

16.5/3 = 5.5

Step-by-step explanation:

becuase he needs to walk 16.5 miles. and he can walk 3 miles per x(hour)

you need to devide distance by speed to get time.

5 0

2 years ago

Last year, lien earned 1200 more than her husband. Together they earned 45,200. How much did each of them earn?

d1i1m1o1n [39]

Answer:

Lien earned $23,800

Husband earned $22,600

Step-by-step explanation:

$45,200 divide it by 2 = $22,600

then you add $1,200 to $22,600 and get $23,800

4 0

3 years ago

I need help with any of these please try to explain

Nana76 [90]

Its math just use a calculator or something

6 0

3 years ago

Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.

lesya692 [45]

x-intercept is (2,0)

y-intercept is (0,-5)

Step-by-step explanation:

Danielle plans to graph the linear equation 5x-2y=10 by plotting the x-intercept and y-intercept.

Finding x-intercept

X-intercept: Substitute 0 for y and then solve for x. Write your answer in the form (__, 0)

Putting y=0

$5x-2y=10\\5x-2(0)=10\\5x=10\\x=10/5\\x=2$

So, x-intercept is (2,0)

Finding y-intercept

Y-intercept: Substitute 0 for x and then solve for y. Write your answer in the form (0, __)

Putting x=0

$5x-2y=10\\5(0)-2y=10\\-2y=10\\y=10/-2\\y=-5$

So, y-intercept is (0,-5)

Keywords: Solving Equations

Learn more about solving equations at:

#learnwithBrainly

4 0

3 years ago