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Natali5045456 [20]
2 years ago
14

Juanita is reporting on pitching statistics. Pedro's fastball statistic is 52/80. How can Juanita write the fastball statistic i

n decimal form?​
Mathematics
1 answer:
olga55 [171]2 years ago
4 0
Divide 52 by 80 to get 0.65
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Cedric completed the square for the quadratic expression 5x^2−40x+15 in order to determine the minimum value of the expression,
Olegator [25]

Answer:

Step 3 is not correct (should be (x-4)^2, not (x+4)^2

Step-by-step explanation:

The expression that we have to simplify is:

5x^2-40x+15

We proceed step-by-step, in order to find the mistake did by Cedric:

1) First, we factorize the 5 outside:

5(\frac{5x^2}{5}-\frac{40x}{5}+\frac{15}{5})=5(x^2-40x+3) --> this step is correct

2) We add +16 and -16 inside the brackets:

5(x^2-8x+16-16+3) --> this step is correct

3) We rewrite the term (x^2-8x+16) as the square of a bynomial, which is (x-4)^2, so the expression becomes

5((x-4)^2-16+3) --> we notice that this step is wrong: in fact, Cedric wrote (x+4)^2, which is not correct.

4) Now we continue: we rewrite -16+3 as -13,

5((x-4)^2-13)

5) Finally, we multiply the 5 by the terms in the bracket:

=5(x-4)^2-65

5 0
2 years ago
The Frederick country fair costs $15.00 to get in and $2.50 per ride, while the Montgomery County Fair costs $10.00 to get and $
alekssr [168]

Answer:Frederick county:2.5x+15,Montgomery county:3x+10

Step-by-step explanation:

6 0
3 years ago
Marriana buys 3 3/4 feet of rope. How many inches of rope does she buy?
SVEN [57.7K]

Answer:

45

Step-by-step explanation:

4 0
3 years ago
3RD TIME PLS REALLY NEED THIS
tatyana61 [14]

Answer:

Part A: a) Corresponding angles

Part B: b) 12x - 10 = 10x + 8

Part C: x = 9

m<1 = 98

m<2 = 82

Explanation:

B)

Since they're corresponding angles, they're equal to each other:

12x - 10 = 10x + 8

C)

12x - 10 = 10x + 8

2x = 18

x = 9

m<1:

12(9) - 10 = 98

m<2:

98 + y = 180

y = 82

6 0
2 years ago
Read 2 more answers
The absolute value of a number is its _____ from 0.
Lena [83]

The absolute value of a number is its distance from 0.


5 0
3 years ago
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