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Anastaziya [24]
3 years ago
11

A scanner scanned 56 photos in 7 minutes. If it scans photos at a constant rate, it can scan

Mathematics
1 answer:
Darya [45]3 years ago
3 0

Answer:

56 photos-7 minutes  

X photos-27 minutes

X=1 512 :7= A scanner will scan 216 photos

Step-by-step explanation:

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Find square root by prime factorization method <br>2089
Vlad1618 [11]
This will help u solve it

5 0
4 years ago
What are the excluded values of x for
ss7ja [257]

Answer:

x = - 2, x = 9

Step-by-step explanation:

Given

f(x) = \frac{x^2-9x}{x^2-7x-18}

The denominator of f(x) cannot be zero as this would make f(x) undefined.

Equating the denominator to zero and solving gives the values that x cannot be.

x² - 7x - 18 = 0

(x - 9)(x + 2) = 0

Equate each factor to zero and solve for x

x + 2 = 0 ⇒ x = - 2

x - 9 = 0 ⇒ x = 9

The excluded values are x = - 2, x = 9

3 0
3 years ago
What number adds up to be 12 but also multiplies to be 12
netineya [11]
4+3+1+1+1+1+1 =12
4x3x1x1x1x1x1=12
8 0
3 years ago
)Why is 3 + (−5) equal to −2?
netineya [11]
Because + and - make - which makes you left with 3-5 which equals to -2 because it gets negative.
7 0
3 years ago
5x+2y=22. -2x+6y=3 What is the X coordinate of the solution. Round to the nearest tenth
just olya [345]
Multiply first example by 3 and subtract by second example, you will get the following:

3*(5x + 2y) = 3*22   =>  3*5x + 3*2y = 66      =>  15x + 6y = 66
now subtraction:
(15x + 6y) - (-2x + 6y) = 66 - 3
15x + 6y + 2x - 6y = 63
15x + 2x + 6y - 6y = 63
17x = 63
x = 63/17 ≈ 3.705..... and as it says to round to the nearest tenth our answer would be: x = 3.7
8 0
3 years ago
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