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Zielflug [23.3K]
3 years ago
6

What is the y-intercept of this quadratic?

Mathematics
1 answer:
MAVERICK [17]3 years ago
8 0

Answer:

(0,8)

Step-by-step explanation:

The line crosses the y axis at (0,8)

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What effect does replacing x with x + 2 have on the graph for the function f(x) ?
IrinaK [193]
The answer is A.

When replacing the variable 'x' by 'x + 2' the graph is shifted 2 units to the left. When we replace the variable, the function changes

from
f(x) = |x - 3| + 2

To
f(x) = |(x + 2) - 3| + 2
f(x) = |x - 1| + 2

And therefore the function is shifted 2 to the left.
3 0
3 years ago
Name the<br> L corresponding<br> angle with<br> angle 2.
olchik [2.2K]

Answer:

D  angle 6

Step-by-step explanation:

Corresponding angles are in the same place if the line were on top of each other.  For example, ang1e 1  and angle 5, are corresponding;  angle 3 and angle 7 are corresponding.

6 0
3 years ago
At a grocery store the manager randomly selects 20 cartons of eggs, he finds 3 cartons with at least 1 broken egg. If the refrig
ivann1987 [24]

Answer:

You would expect 75 cartons with at least 1 broken egg.

There are likely to be 222 DVD players that are defective.

Step-by-step explanation:

Both examples given in this question represent a ratio of broken or defective to a sample number of cartons or DVD players.  In order to find how many would be broken or defective overall, you can set up equivalent ratios, or proportions.

Egg Cartons: \frac{broken}{#cartons}=\frac{3}{20}=\frac{x}{500}

'x' represents the number of cartons out of 500 that would be expected to have at least 1 broken egg.  To solve for 'x' you can cross-multiply and divide, or you can find what factor you would multiply the denominator by to get 500 and then multiply the same factor by the numerator to find 'x'.  In this case 500/20 = 25, so the factor is 25.  3 x 25 = 75, so you have 75 expected cartons with a broken egg.

DVD Players:  \frac{defective}{#players}=\frac{3}{50}=\frac{x}{3700}

'x' represents the number of DVD players out of 3700 that would be expected to be defective.  To solve for 'x' you can cross-multiply and divide, or you can find what factor you would multiply the denominator by to get 3700 and then multiply the same factor by the numerator to find 'x'.  In this case 3700/50 = 74, so the factor is 74.  3 x 74 = 222, so you have 22 likely defective DVD players.

4 0
3 years ago
A 400-g sample of a radioactive substance is placed in a chamber to be tested. After 3 h,
muminat

Answer:

You left out the quantity of grams remaining.

Step-by-step explanation:

3 0
3 years ago
You are riding your bike and notice the square sign above. You mentally draw a straight line from point A to C.
svlad2 [7]

1. The angles DCA and BCA are the same.

2. Angles DCA and BCA are not supplementary. Since the both of them add up to 90° (we know that angle c is equal to 90° because in a right square all angles are 90°) the angles would be complementary, not supplementary. Supplementary angles add up to 180°

8 0
3 years ago
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