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Alexxandr [17]
3 years ago
6

How do you graph the equation y=|x|?

Mathematics
1 answer:
Rufina [12.5K]3 years ago
8 0

graph looks like the letter v

2 around x means no matter what value x is y will be positive

plot points would be

(-2,2) (-1,1) (0,0) (1,1) (2,2)

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Find the perimeter of a pantry shelf that measures 3 yards by 5/8 yard
Lera25 [3.4K]

Answer:

7 1/4 yards or 7.25 yards

Step-by-step explanation:

3+3=6

5/8+5/8=1 1/4 or 1.25

6+1 1/4=7 1/4 or 7.25

3 0
3 years ago
Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the corre
lilavasa [31]

Answer:

(5a−3)^2

Step-by-step explanation:

25a^2 - 30a + 9

Factor the expression by grouping. First, the expression needs to be rewritten as 25a^2+pa+qa+9. To find p and q, set up a system to be solved.

p+q=−30

pq=25×9=225

Since pq is positive, p and q have the same sign. Since p+q is negative, p and q are both negative. List all such integer pairs that give product 225.

−1,−225

−3,−75

−5,−45

−9,−25

−15,−15

Calculate the sum for each pair.

−1−225=−226

−3−75=−78

−5−45=−50

−9−25=−34

−15−15=−30

The solution is the pair that gives sum −30.

p=−15

q=−15

Rewrite 25a^2 - 30a + 9 as (25a^2−15a)+(−15a+9).

(25a^2−15a)+(−15a+9)

Factor out 5a in the first and −3 in the second group.

5a(5a−3)−3(5a−3)

Factor out common term 5a−3 by using distributive property.

(5a−3)(5a−3)

Rewrite as a binomial square.

(5a−3)^2

3 0
3 years ago
Evaluate the expression when m=6 and n=33. <br><br> n-5m=
jok3333 [9.3K]
N = 33 and m = 6 substitute in the values in place of the variables to get 33 - 5*(6). distribute the five to get 33 - 30 =3. the answer is three
5 0
3 years ago
Sarina throws a ball up into the air, and it falls on the ground nearby. The ball's
Anuta_ua [19.1K]

Answer:

Option C.

Step-by-step explanation:

It is given that the ball's height, in feet, is modeled by the function

f(x)=-x^2-x+3

where, x represents time in seconds.

We need to find the height of the ball when Sarina throws it. It means, we need to find the initial height of the ball.

Substitute x=0 in the given function, to find the initial height.

f(0)=-(0)^2-(0)+3

f(0)=0+0+3

f(0)=3

The height of the ball is 3 feet when Sarina throws it.

Therefore, the correct option is C.

8 0
3 years ago
Read 2 more answers
How much larger is the circumference of circle A than the circumference of circle B?
Rzqust [24]

Answer:

Circumference of Circle A is about 16 units larger than the Circumference of Circle B

Step-by-step explanation:

Formula for Circumference of a circle = πd

Where, d = diameter of circle

Thus:

Circle A diameter = 13

Circle B diameter = 8

Therefore:

Circumference of Circle A = π*13 = 40.8407045 ≈ 41 unit (nearest whole number)

Circumference of Circle B = π*8 = 25.1327412 ≈ 25 unit (nearest whole number)

✔️Difference between circumference of Circle A and Circle B = 41 - 25 = 16

Therefore the Circumference of Circle A is about 16 units larger than the Circumference of Circle B

3 0
3 years ago
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