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fredd [130]
2 years ago
10

At which root does the graph of f(x) = (x + 4)(x + 7,5) cross the x-axis? -7 -4 4 7

Mathematics
1 answer:
Alona [7]2 years ago
5 0

Answer:

Answer: -7

Step-by-step explanation:

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X and Y are independent random variables. X is normally distributed with mean 1 and variance 1. Y is normally distributed with m
g100num [7]

Answer:

1

Step-by-step explanation:

Equation of variance:

Total Variance = sum (i=1, N) {c^2,variance^2}

= c1^2*variance1^2 + c2^2*variance2^2 + .....

Variance of X = 1

Variance of Y = 5

Variance of Y - 2X = (1^2)*(5) - (2^2)**(1)

= 5 - 4 = 1

8 0
3 years ago
What is the area and perimeter of the triangle ABH? How do I solve it? The process and answers? I am trying to help my 7th grade
n200080 [17]

Step-by-step explanation:

I dont remember perimeter but area is A= 1/2 bh

7 0
3 years ago
What are corresponding angles<br>​
Ratling [72]

Answer:

Corresponding angles are equal. They're a F shape and it could be upside down.

8 0
2 years ago
Annies car used 100 cups of gasoline during a drive he paid $3.12 per gallon for gas. how much did the gas cost ?
VladimirAG [237]
The gas would have cost $19.50. Hope this helps :)
5 0
3 years ago
Read 2 more answers
Hello! :)
zlopas [31]

Answer:

A

Step-by-step explanation:

The two triangles are congruent because if each triangle's angles add up 180 degrees, you can deduce that the triangles have atleast two congruent angles.

Triangle RST:

48 + 73 = 121

180 - 121 = 59

Angle R = 59

Angle T = 48

Angle S = 73

59 + 48 + 73 = 180

Triangle ABC:

73 + 59 = 132

180 - 132 = 48

Angle A = 59

Angle B = 73

Angle C = 48

59 + 48 + 73 = 180

7 0
3 years ago
Read 2 more answers
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