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Alika [10]
3 years ago
14

What is the value of (x) = -3.25x + 22.41 at x = -4.2?

Mathematics
1 answer:
victus00 [196]3 years ago
6 0
Don’t mind this comment just need points but good luck
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HELP HELP Point F is the midpoint of segment DE. DF = 2x+6 and DE = 2x+36. Find DE.
Jobisdone [24]

Answer:

since F is midpoint

DF= FE = 2x+6

DF +FE=DE

2x+6 + 2x+6 = 2x+36

4x + 12 = 2x+36

2x = 24

x=12

DE =2x+36 =2*12 + 36 = 60

Step-by-step explanation:

4 0
3 years ago
Use 3.14 for ok to estimate the area of a circle. The diameter is given. Round your answer to the nearest hundredth if necessary
julia-pushkina [17]
What is the diameter ?
5 0
3 years ago
Find the equation of a line perpendicular to y=−6 that contains the point (1,3). Write the equation in slope-intercept form
Temka [501]

Answer:

x=1

Step-by-step explanation:

Hi there!

We are given that a line is perpendicular to y = -6 and passes through the point (1, 3)

We want to write the equation of this line in slope-intercept form

Slope-intercept form is y=mx+b, where m is the slope and b is the value of y at the y intercept, hence the name

First, we need to find the slope (m) of the line

Remember that we were given that the line is perpendicular to y = -6

Perpendicular lines have slopes that multiply to get -1

The slope of y = -6 is 0; therefore, to find the slope of this line, we can do the following equation

0m=1

Divide both sides by 0

m = 1/0

This answer is undefined - therefore, the line has an undefined slope

If this is the case, then it means the line is a vertical line

A vertical line is written as x=k, where k is the value of x at the x intercept. It can't be written in slope-intercept form.

This value is also the value of x at every point that lies on such line - in this case, as given by the point (1, 3) , this value is 1

So substitute 1 as k.

x = 1

This is the line of the equation.

Hope this helps!

5 0
2 years ago
In Austin Texas, there were 42 days where the temperature reached over 100 degrees. 1/3 of those days were in June. How many day
castortr0y [4]

Answer:  14 days in June

Step-by-step explanation:

Multiply 1/3 × 42.  That is the same as dividing 42/3 = 14

7 0
3 years ago
A window in Michael's room is the shape of a trapezoid. The bases are 30 inches and 40 inches. The height of the window is 24 in
lana [24]

Answer:

The area of the window is of 840 square inches.

Step-by-step explanation:

To find the area of an trapezoid, we need to add the sum of the bases, multiply by the height, and then divide by 2.

Matematically:

A = \frac{(b_{1} + b_{2})*h}{2}

In which b_{1} and b_{2} are the bases and h is the height.

In this question:

b_{1} = 30, b_{2} = 40, h = 24

All the measures in inches, so the area is in square inches.

A = \frac{(30 + 40)*24}{2} = 840

The area of the window is of 840 square inches.

3 0
3 years ago
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