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garik1379 [7]
3 years ago
11

Question will be in the picture, thanks in advance!

Mathematics
1 answer:
11111nata11111 [884]3 years ago
7 0

Answer:

($0.30,$[2.42])

Step-by-step explanation:

Please, see the attached files.

Thanks.

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Daniel [21]

Check the picture below.

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Diane is a software saleswoman. Let y represent her total pay (in dollars). Let x represent the number of copies of English is F
scZoUnD [109]

There is an error in the equation provided. Looking at other similar question such as this, I think the equation related to x and y should be 90x + 1600 = y

Answer:

a) 90

b) 1600

Step-by-step explanation:

The equation 90x + 1600 = y is an equation of a straight line in the form y = mc + c

Adjusting the equation to the general form we get

y = 90x + 1600

m = 90

c = 1600

a) the change in Mary's total pay for each copy she sells in this case is referring to the change of y to the change of x.

In other word, it is the slope of the function.

m = 90

b) if Mary didn't sell any copies, the value of x will be 0.

In graph of a straight line, the value when x= 0 is at the value of y-intercept,

c = 1600

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3 years ago
The equation of a circle is . x2 + y2 + Cx + Dy + E = 0. If the radius of the circle is decreased without changing the coordinat
Neporo4naja [7]
To determine the effect of the radius changes to the coefficients, we need to rewrite the form of the equation into:

(x−α)²+(y−β)²=r² 
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and α²+β²−r²=E
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Therefore, when the r decreases the coefficients C and D do not change but E increases.
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6 0
3 years ago
Read 2 more answers
Helpppppppppppppppppppppppp
kupik [55]

Answer:

360\ cm^2

Step-by-step explanation:

<u>Step 1:  Determine the area of the bottom rectangle</u>

A = l * w

A = 10\ cm * 12\ cm

A = 120\ cm^2

<u>Step 2:  Determine the area of the back rectangle</u>

A = l * w

A = 10\ cm * 5\ cm

A = 50\ cm^2

<u>Step 3:  Determine the area of the top rectangle</u>

A = l * w

A = 10\ cm * 13\ cm

A = 130\ cm^2

<u>Step 4:  Determine the area of the triangle</u>

A = \frac{h*b}{2}

A = \frac{5\ cm * 12\ cm}{2}

A = \frac{60\ cm^2}{2}

A = 30\ cm^2

<u>Step 5:  Determine the surface area</u>

120\ cm^2 + 50\ cm^2 + 130\ cm^2 + 2(30\ cm^2)

360\ cm^2

Answer: 360\ cm^2

4 0
3 years ago
I WILL MARK BRAINLIEST PLZ ANSWER HOW TO I FIND THE AREA OF A REGTANGULAR PRISM
BartSMP [9]
A=2(wl+hl+hw) is the equation for it


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