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Setler [38]
3 years ago
8

You begin factoring x2 + 8x – 20 into two binomials by writing (x )(x ). Which is a correct way to complete each factor?

Mathematics
2 answers:
satela [25.4K]3 years ago
6 0
<span>(x + 10)(x - 2) sorry if i am wrong</span>
AysviL [449]3 years ago
5 0
X^2 + 8x - 20 =
(x + 10)(x - 2)
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On a town map, the coordinates of three schools are J(8, 13), K(10, 7), and L(14, 15). The town is planning to build a new swimm
Anestetic [448]

Answer:

10,14

Step-by-step explanation:

6 0
3 years ago
The probability that z is greater than -1.8
Lerok [7]

Answer:

0.964

Step-by-step explanation:

It's easier to approach this problem if you find the prob. that z is less than -1.8 and then subtract your result from 1.00.

The prob. that z is less than -1.8 can be found using any calculator with probability and statistic functions.

The prob. that z is less than -1.8 = normcdf(-100,-8) = 0.036.  Here "cdf" stands for "cumulative probability density function)," -100 is far to the left of z = -1.8, and the result (0.036) is the area under the standard normal probability density curve to the left of z = -1.8.

Finally, subtract this 0.036 from 1.000, obtaining 0.964.  This is the probability that z is greater than -1.8.

7 0
3 years ago
What is the range of f(x) = 3x + 9?
muminat
I think the answer is 2
8 0
4 years ago
Write a linear function f with the values f (6) = 8 and f (9) = 3.
ivann1987 [24]

Given:

Two values of a linear function are f (6) = 8 and f (9) = 3.

To find:

The linear function.

Solution:

According to the question f (6) = 8 and f (9) = 3, it means the function passes through (6,8) and (9,3).

If a linear function passes through two points then the equation is

y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)

So, the equation of linear function is

y-8=\dfrac{3-8}{9-6}(x-6)

y-8=\dfrac{-5}{3}(x-6)

y-8=-\dfrac{5}{3}(x)-\dfrac{5}{3}(-6)

y-8=-\dfrac{5}{3}(x)+10

Add 8 on both sides.

y=-\dfrac{5}{3}(x)+10+8

y=-\dfrac{5}{3}(x)+18

Function form is,

f(x)=-\dfrac{5}{3}(x)+18

Therefore, the required linear function is f(x)=-\dfrac{5}{3}(x)+18.

7 0
3 years ago
Please help fast ill give 10 points along with brainlist answer only if you know!!!
vovikov84 [41]

Answer:

C. 780

Step-by-step explanation:

C(n) = 500 + 4n     n = number of students attending = 70

C(70) = 500 + (4*70)

C(70) = 500 + 280

C(70) = 780

8 0
3 years ago
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