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3 years ago

(45 points)

Mathematics

1 answer:

Bess [88]3 years ago

8 0

Answer:

1. 5/4=1.25 egg for each waffle and 6*1.25=7.5

7.5-5=2.5

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Through: (4, -3), perp. to y=-2x + 1

larisa86 [58]

Step-by-step explanation:

y = -2x + 1. => Slope = -2

Then the perpendicular line will have a slope of -1/(-2) = 0.5.

We have y = 0.5x + c.

When x = 4, y = -3.

=> (-3) = 0.5(4) + c, c = -5.

Hence the answer is y = 0.5x - 5. (C)

7 0

2 years ago

Give an equation of a line that is parallel to −3x + 7y =4. Explain why your line is parallel to the given line and how you arri

koban [17]

Answer:

3x -7y = 0

Step-by-step explanation:

Parallel lines have the same slope.

Changing the constant in a linear equation like this only changes the y-intercept. It has no effect on the slope of the line. So, we can change the constant from 4 to 0 and we will have a line with the same slope, parallel to the original, but with a different y-intercept.

The "standard form" of the equation of a line has the leading coefficient positive. We can make that be the case by using the multiplication property of equality, multiplying both sides of the equation by -1.

Parallel line:

-3x +7y = 0

In standard form:

3x -7y = 0

3 0

2 years ago

Sofia learned 10 recipes to create party dishes. she learned these recipes in 2 weeks. how many recipes can Sofia learn in 5 wee

insens350 [35]

Its 25 because she learned the 10 recipes in 2 weeks so 4 weeks is 20 and 5 weeks is 25 if its wrong some how than I'm tired so don't blame me

3 0

2 years ago

Read 2 more answers

A linear function and its inverse are given.

jarptica [38.1K]

Answer:

x: -5, -3, 0, 1, 4

y:-23, -15, -3, 1, 13 for the function.

x:-23, -15, -3, 1, 13

y: -5, -3, 0, 1, 4 for the inverse.

Step-by-step explanation:

we know that if we have the function f(x) = y, then the inverse of f(x) (let's call it g(x)) is such that:

g(y) = x.

now we have

y=4x-3

y=(1/4)x+3/4

The only table that works for our first function is:

x: -5, -3, 0, 1, 4

y:-23, -15, -3, 1, 13

You can see this by replacing the values of x and see if the value of y also coincides.

Then, using the fact that the other table must be for the inverse, we should se a table with the same values, but where the values of x and y are interchanged.

The second table is that one:

x:-23, -15, -3, 1, 13

y: -5, -3, 0, 1, 4

7 0

2 years ago

Read 2 more answers

The answer below thanks

Greeley [361]

Answer:

The equation of the circle having centre (-5,-9) and radius r=3 is

x² + 10 x +y² + 14 y + 65 = 0

Step-by-step explanation:

<u>Explanation</u>:-

From graph The centre of the circle C( -5 , -7)

The radius of the circle r = 3cm from the centre of the given circle

The equation of the circle

From graph the centre ( h, k) = ( -5,-7) and r = 3cm

$(x-(-5))^2+(y-(-7))^2 = 3^2$

x² + 10 x +25 +y² + 14 y + 49 =9

x² + 10 x +25 +y² + 14 y + 49 -9=0

The equation of the circle

x² + 10 x +y² + 14 y + 65 = 0

8 0

2 years ago