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Alenkinab [10]
4 years ago
8

Last week you worked the following hours:Monday, 5 Wednesday, 6 Friday, 4 How many hours did you work in all last week?

Mathematics
1 answer:
Nutka1998 [239]4 years ago
5 0
5+6+4=15 hours
You worked for 15 hours in all last week.
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Find all solutions to 6x^4+13x^3–71x^2+67x=15​
yarga [219]

Answer:

x = 1 or x =  3  / 2  or x = −5 or x =  1  / 3

Refer the attachment for steps

Hope it helps

Please mark me as the brainliest

Thank you

3 0
3 years ago
The following graph represents the hourly commission of a home appliance salesperson, y, based on the number of salespeople that
grandymaker [24]

We have been given graph of a downward opening parabola with vertex at point (6.5,42.25). We are asked to write equation of the parabola in standard form.

We know that equation of parabola in standard form is f(x)=ax^2+bx+c.

We will write our equation in vertex form and then convert it into standard form.

Vertex for of parabola is y=a(x-h)^2+k, where point (h,k) represents vertex of parabola and a represents leading coefficient.

Since our parabola is downward opening so leading coefficient will be negative.

Upon substituting coordinates of vertex and point (0,0) in vertex form, we will get:

0=-a(0-6.5)^2+42.25

0=-a(42.25)+42.25

-42.25=-a(42.25)+42.25-42.25

-42.25=-42.25a

a=1 Divide both sides by -42.25

So our equation in vertex form would be f(x)=-(x-6.5)^2+42.25.

Let us convert it in standard from.

f(x)=-(x^2-13x+42.25)+42.25

f(x)=-x^2+13x-42.25+42.25

f(x)=-x^2+13x

Therefore, the equation of function is standard form would be f(x)=-x^2+13x.

3 0
4 years ago
PLEASE HELP!!!!!! 4.13×10^-8×0.04×10^5?!
vladimir2022 [97]
Try solving it on your own
you must factor the integers
0.00017 is the answer though
4 0
3 years ago
Write words to match the expression. 3+(4×12)
I am Lyosha [343]

Answer:

multiply 4x12 and leave it inside the parenthesis, then multiply the 3 with 48


7 0
4 years ago
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Determine the value of z for the system of equations.
Natali5045456 [20]

Answer:

{x, y, z} = {-4, 2, 4}

<u>i think this is the answer</u>

7 0
3 years ago
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