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fiasKO [112]
3 years ago
11

F(x) = 4x2 – 7x + 7 Find f (7)

Mathematics
2 answers:
Colt1911 [192]3 years ago
5 0

Answer:

4×2÷8

so 8+7=15

=7x=15

so,x=15/7

viktelen [127]3 years ago
4 0

Answer:

4 multiply 2 divided by 8

so 8+7=15

=7 multiply = 15

x=15/7

Step-by-step explanation:

mark me brainlist please

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Find the circumference of circle with a radius of 63mm. Use 22/7 for pi
Mariulka [41]

Answer:

396

Step-by-step explanation:

circumference of a circle is 2 x pi x r = 2 x 63 x (22/7) = 396

5 0
3 years ago
Read 2 more answers
Solve the system of equations - x - y = 6 and 5x -7y=66 by combining the equations
DIA [1.3K]

Answer: Let's solve for x.

−x−y=6

Step 1: Add y to both sides.

−x−y+y=6+y

−x=y+6

Step 2: Divide both sides by -1.

−x

−1

=

y+6

−1

x=−y−6

Answer:

x=−y−6

Let's solve for x.

5x−7y=66

Step 1: Add 7y to both sides.

5x−7y+7y=66+7y

5x=7y+66

Step 2: Divide both sides by 5.

5x

5

=

7y+66

5

x=

7

5

y+

66

5

Answer:

x=

7

5

y+

66

5

Step-by-step explanation:

7 0
2 years ago
A dresser contains six pairs of shorts one each in the colors, red, black, blue, green, khaki, and gray. The dresser also contai
marissa [1.9K]
Answer: 1/24

---------------------------------------------------------------------
---------------------------------------------------------------------

Work Shown:

A = selects green pair of shorts
B = selects gray t-shirt

P(A) = probability of selecting green shorts
P(A) = (number of green shorts)/(number of shorts total)
P(A) = 1/6
P(B) = probability of selecting gray t-shirt
P(B) = (number of gray t-shirts)/(number of t-shirts total)
P(B) = 1/4

P(A and B) = probability of selecting green shorts AND gray t-shirt
P(A and B) = P(A)*P(B) ... since A and B are independent events
P(A and B) = (1/6)*(1/4)
P(A and B) = (1*1)/(6*4)
P(A and B) = 1/24

Note: The fraction 1/24 is approximately equal to 0.041667

5 0
3 years ago
7/8 and 3/4 in addition to complete the fraction box?
krok68 [10]
7/8 and 3/4 
Both need to have same denominator so it would be 32, in this case because 8*4 is 32. 
7/32+3/32=10/32 simplified to 5/16 

3 0
3 years ago
$45.50 MP3 player; 7% tax
navik [9.2K]

Answer:

$ 48.69

Step-by-step explanation:

Hope this helps give me some stars and a Thank you if its correct!

8 0
3 years ago
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