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Dmitriy789 [7]
3 years ago
10

Factor the expression d2-8d +16

Mathematics
1 answer:
UNO [17]3 years ago
4 0
2(-3d+8)



Factor out the 2:
d x 2 -8d+16 —> 2(d-4d+8)

Collect like terms:
2(-3d+8)

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Explain why 1/3 is or isnt an irrational number
Afina-wow [57]

A number that cannot be expressed that way is irrational. For example, one third in decimal form is 0.33333333333333 (the threes go on forever). However, one third can be express as 1 divided by 3, and since 1 and 3 are both integers, one third is a rational number.

hope it helps!

5 0
3 years ago
Which of the following is the solution to the differentiable equation dy/dx=4x/y, where Y(2)=-2
aliya0001 [1]

First we'll substitute \frac{dy}{dx} with y'

y'=\frac{4x}{y}

Then we can separate this.

yy'=4x

Then we'll solve this.

yy'=4x: \frac{y^2}{2}=2x^2+c_1

\frac{y^2}{2}=2x^2-6

y=2\sqrt{x^2-3},y=-2\sqrt{x^2-3}

Then we'll plug in to find the extraneous solutions (if any)

y=-2\sqrt{x^2-3}

7 0
3 years ago
Dave spent 21 minutes completing a race. He walked 9 minutes and jogged the rest. What
nasty-shy [4]
Dave jogged for 9 minuets and walked for 12 minuets
6 0
3 years ago
Which equation represents a direct linear variation?
ivolga24 [154]
Y=1x because if you draw it on the line you’ll see the linear variation
3 0
3 years ago
Willie and his brothers went to TGI Mondays. Their order consisted of 3 cheeseburgers at $8.75 each, a fish sandwich for $6.75,
Sladkaya [172]

<u>Answer:</u>$68.69

<u>Step-by-step explanation:</u>

Calculation of bill value

Cheeseburgers  =    26.25

(8.75 x 3)

Fish Sandwich    =     6.75

Pizza                    =    14.99

Sweet Tea

(4 x 2.09)              =    8.36

Total of items        =  56.35

Sales tax on food  =   3.381

(56.35 x 6%)          

Total bill value       = 59.731

Calculation of tips

Bill value x 15%

=59.731 x 15%

Tips paid=8.95965

Calculation of meals cost

Total meal cost = Bill value + tips

=59.731+8.95965

=$68.69

Total meal cost is $68.69

7 0
3 years ago
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