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s344n2d4d5 [400]
3 years ago
15

Part of the graph of the function f(x) = (x – 1)(x + 7) is shown below. Which statements about the function are true?

Mathematics
2 answers:
BaLLatris [955]3 years ago
7 0

Answer:

the answers are B,C,D

Step-by-step explanation:

gregori [183]3 years ago
6 0

Answer:

b,c,d

Step-by-step explanation:

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Steve puts an 18-foot ladder against his house. The ladder reaches a height of 15 feet on the house. How far is the bottom of th
krek1111 [17]

Answer:

3 \sqrt{11}

Step-by-step explanation:

Since we are given the hypotenuse which is 18 since it slanted, and leans on the house. And we are given one of the legs which is 15 since it is vertical. We can use the pythagorean theorem to solve for this problem.

{a}^{2}  +  {b}^{2}  = c {}^{2}

where a and b are the legs and c is the hypotenuse l.

Let plug it in

{a}^{2}  + 15 {}^{2}  =  {18}^{2}

{a }^{2}  + 225 = 324

{a}^{2}  = 99

a =  \sqrt{99}

a =  \sqrt{9 \times 11}

a = 3 \sqrt{11}

4 0
3 years ago
A2b -b2 a=4 and b= -7
cestrela7 [59]

Step-by-step explanation:

hope this helps you dear friend.

8 0
2 years ago
given a rectangle of length a and width b if A and B are both rational numbers would the perimeter be irrational or rational? Gi
Kitty [74]
The perimeter would be rational due to both the width and length being rational numbers. A rational number is a number that can be written as a fraction such as 8 it can be written as 8/1, but a irrational would be a decimal number which in this case there would be none because both length and width is rational number. For example, Lets say the width is 8 and the length is 10. once both are written into fraction form such as 8/1 and 10/1 we add them to get a perimeter of 18.
Hope this helps! <span />
8 0
3 years ago
TIMED! NEED HELP WITH THIS
lana66690 [7]

Answer:

cannot be determined

Step-by-step explanation:

5 0
2 years ago
0.43 (3 repeating) as a fraction
valina [46]

If <em>x</em> = 0.4333…, then

10<em>x</em> = 4.333…

100<em>x</em> = 43.333…

so that

100<em>x</em> - 10<em>x</em> = 43.333… - 4.333…

90<em>x</em> = 39

<em>x</em> = 39/90 = 13/30

8 0
2 years ago
Read 2 more answers
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