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Nana76 [90]
2 years ago
11

A company wants to decrease their energy use by 16%. If their electric bill is currently $1,800 a month,

Mathematics
1 answer:
Mandarinka [93]2 years ago
3 0

Answer:

$2268 is the answer :)

Step-by-step explanation:

hope this helps!

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Y=3x^2 + 7 + m have two intercepts ?
OlgaM077 [116]

Answer:

In general, quadratic equations have two x-intercepts. But sometimes it happens that a quadratic eqution has one x-intercept or no interepts. That's why we should fully analyze this equation:

Given the following equation: y=3x^2 + 7 + m

If y=0, then:

3x^2 + 7 + m = 0 ⇒ x^2 = (-m-7)/3

Then x =± \sqrt{\frac{-m-7}{3}}

Given that we can take the square root of a negative number, the only way this equation has two x-intercepts is if m<-7.

Summarizing:

The equation: y=3x^2 + 7 + m has two x-intercepts only if m is less than -7. If m equals -7, the equation has only one x-intercept, and finally, if m is greater than -7, the equation has NO x-intercepts.

4 0
3 years ago
15. Geoff can mow an entire lawn of 450 square feet in 30 minutes. Assuming he mows at a constant rate, write the linear equatio
Ivahew [28]

Answer:

y=15x

Assuming he is mowing at a constant rate it would be 15 square feet per minute.

Step-by-step explanation:

7 0
3 years ago
A company sells widgets. The amount of profit, y, made by the company, is related to
dusya [7]

Answer:

bad expression

Step-by-step explanation:

13251+3032−8569=7714

5 0
3 years ago
H (x)=x^2+ 8x+7 , what function family does this equation belong to?
Semenov [28]

Answer:

Algebra

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What is the equation in vertex form of a
gulaghasi [49]

Answer:

B.

Step-by-step explanation:

Vertex with (2,4) means that the equation will have:

y=a(x-2)^2 + 4

Open downwards means that the a will be negative:

so: y = -a (x-2)^2 + 4

Stretched by a factor of 3 means that the a=3

So if we combine all of these, we will get the equation:

y = -3 (x-2)^2 + 4

3 0
2 years ago
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