3 years ago

20 POINTS! Questions 7-10 please

Mathematics

1 answer:

nignag [31]3 years ago

6 0

The picture is unclear so I cannot really help. I'm sure I could if it was clearer though.

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Factor the polynomial 6x^4 + 24x^3-72x^2

Yuliya22 [10]

Answer:

the answer would be 6x^2(x+6)(x-2)

Step-by-step explanation:

6x^4 + 24x^3-72x^2

= 6x^2(x^2+4x-12)

= 6x^2(x+6)(x-2)

4 0

3 years ago

Which equation represents a line which is perpendicular to the line y= –1/8x + 8

Zigmanuir [339]

The answer to you equation is Y=63/8

8 0

3 years ago

10 points. Plz help. What is the equation for the line that passes through (5, -3) and (2, 3) on a graph

Softa [21]

Slope formula = y2 - y1/ x2 - x1
SF = 3 - (-3)/ 2 - 5
SF = 6/ -3
Slope = -2

Now we need to find b (the y-intercept)
y = mx + b
y = -2x + b
3 = -2(2) + b
3 = -4 + b
+4 +4
7 = b

The equation of the line should be:
y = -2x + 7

4 0

3 years ago

Mrs. Gomes found that 40% of students at her high school take chemistry. She randomly surveys 12 students. What is the probabili

34kurt

Answer:

Option b

Step-by-step explanation:

Given that Mrs. Gomes found that 40% of students at her high school take chemistry

since each student is independent of the other, we can say

X no of students who take chemistry is binomial with p = constant proba = 0.40

n = no of trials = no of students surveyed =12

Required probability = prob atmost 4 students take chemistry

= $P(X\leq 4)\\=P(x=0)+P(x=1)+P(x=2)+P(x=3)+P(x=4)\\=\Sigma _0^4 12Cr (0.4)^r (0.6)^{12-r}$

Substituting we get the cumulative probability

0.4382

round off to 0.438

Option b is correct answer

6 0

3 years ago

Is 5/8 bigger than 11/16

Serjik [45]

5/8 > 11/16

Hope that works out for you

3 0

3 years ago

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