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kykrilka [37]
3 years ago
15

Can someone please help me with both of these questions. Thanks so much.

Mathematics
2 answers:
adell [148]3 years ago
8 0
(1.) Part A
The Yellow Chalk because when you turn 2/6 into a new fraction (double it) its 4/12 and 4/12 is bigger than 3/12.

(2.) Part B
It's true because 5/12 is less than half of the bucket because the other half is 7/12

Dahasolnce [82]3 years ago
3 0
Part A. The answer is ''There is more yellow than green'' - For this, you had to change 2/6 into a fraction with a denominator of 12, so you do how much times 6 can go into 2, and multiply that with the numerator and you get 4/12. Now you just compare the numerators.

Part B. Andrea is correct because 1/2 of the bucket is 6/12, and there is 5/12 blue, so it is less
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PLEASE HELP 25PTS!! Select the correct answer from each drop-down menu.
lions [1.4K]

Answer:

The quality control facility operates for 10 hours each day.

Step-by-step explanation:

The given function models the number of cars that are put through a quality control test each hour at a car production factory.

The given function is

c(t)= -t^2+8t+20

We need to find the number of hours does the quality control facility operate each day.

Rewrite the given function it factored form.

c(t)= -t^2+(10t-2t)+20

c(t)= (-t^2+10t)+(-2t+20)

Taking out the common factors from each parenthesis.

c(t)= -t(t-10)-2(t-10)

c(t)= (t-10)(-t-2)

c(t)=-(t-10)(t+2)

The factored form of given function is c(t)=-(t-10)(t+2).

Equate the function equal to 0 to find the x-intercept.

0=-(t-10)(t+2)

t-10=0\Rightarrow t=10

t+2=0\Rightarrow t=-2

Number of hours cannot be negative. So from t=0 to t=10 quality control facility operate the cars.

Therefore the quality control facility operates for 10 hours each day.

7 0
3 years ago
Which ordered pair is a solution to this system of equations. 7x+5y=59 and 3x-9y=159
alina1380 [7]
Your is answer should be D
7 0
3 years ago
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(0.04x140)
7 0
2 years ago
Scott's gross pay is $2344. How much of his gross pay will be deducted for the Social Security Tax?
Slav-nsk [51]

Answer:


Step-by-step explanation:

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5 0
3 years ago
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Ira Lisetskai [31]

7x = 2x + 20
5x = 20

X =4
3 0
3 years ago
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