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Triss [41]
3 years ago
10

The zeros of a quadratic function are -7 and 3. Which of the following could be the function? Select all that apply.

Mathematics
1 answer:
LenaWriter [7]3 years ago
7 0

Answer:

B and C

Step-by-step explanation:

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it takes shonda 2/5 of an hour to dry one load of laundry in her dryer. How many hours will it take her to dry 5 loads of laundr
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2 hours Step-by-step explanation:

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2 years ago
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Hey, I need some help in math I put the pic down below
EastWind [94]

For this case we have that by definition, the equation of a line in the slope-intersection form is given by:

y = mx + b

Where:

m: It's the slope

b: It is the cutoff point with the y axis

We find the slope with the given points:

m = \frac {y2-y1} {x2-x1} = \frac {401-450} {14-7} = \frac {-49} {7} = - 7

Thus, the line is given by:

y = -7x + b

We substitute a point to find "b":

450 = -7 (7) + b\\450 = -49 + b\\450 + 49 = b\\b = 499

Finally, the equation is:

y = -7x + 499

Answer:

y = -7x + 499

4 0
3 years ago
(4.3 * 10-3)(2 x 10-2)​
FinnZ [79.3K]

<em>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</em>

<em>➷ </em>(4.3\cdot10-3)(2\cdot 10-2)<em />

<em>➷ </em>= (43 - 3)((2) (10) -2)<em />

<em>➷ </em>= 40 ((2) (10)-2)<em />

<em> ➷ </em>= 40(20 - 2)<em />

<em> ➷ </em>= (40)(18)<em />

<em> ➷ </em>= 720<em />

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<em>➶ Have A Great Day ^-^</em>

<em>↬ May ♡</em>

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3 0
3 years ago
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How do work this out
BabaBlast [244]
We can factor this by using grouping. Take the leading coefficient and multiply it by the constant. In this case we get 5*-7 = -35. 

Now we need 2 numbers that add to 2 and multiply to be -35. The numbers are -5 and 7.

So split the 2r into these two terms and group.

(5r^2 - 5r) + (7r - 7)

Factor both groups.

5r(r-1) + 7(r-1)

The factors of (r-1) can be added together to get the answer.

(r-1)(5r+7)
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3 years ago
How do you turn 72.1 repeating number into a fraction?
SCORPION-xisa [38]
72 1/9

0.1 recurring of the number 1 is 1/9 of the number 
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