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daser333 [38]
2 years ago
7

Log²(x + 5) + log²(x - 5) = log²11​

Mathematics
1 answer:
AnnyKZ [126]2 years ago
8 0

Answer:

10000000000000000000000000

Step-by-step explanation:

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the path of a rocket can be modeled by the function h(t) =-16t(t-5) seconds and h is the height in feet.
AnnyKZ [126]
-16 feet x -5 seconds = 80ft/s
4 0
3 years ago
An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.
andrey2020 [161]

Answer:

The probability that A selects the first red ball is 0.5833.

Step-by-step explanation:

Given : An urn contains 3 red and 7 black balls. Players A and B take turns (A goes first) withdrawing balls from the urn consecutively.

To find : What is the probability that A selects the first red ball?

Solution :

A wins if the first red ball is drawn 1st,3rd,5th or 7th.

A red ball drawn first, there are E(1)= ^9C_2 places in which the other 2 red balls can be placed.

A red ball drawn third, there are E(3)= ^7C_2 places in which the other 2 red balls can be placed.

A red ball drawn fifth, there are E(5)= ^5C_2 places in which the other 2 red balls can be placed.

A red ball drawn seventh, there are E(7)= ^3C_2 places in which the other 2 red balls can be placed.

The total number of total event is S= ^{10}C_3

The probability that A selects the first red ball is

P(A \text{wins})=\frac{(^9C_2)+(^7C_2)+(^5C_2)+(^3C_2)}{^{10}C_3}

P(A \text{wins})=\frac{36+21+10+3}{120}

P(A \text{wins})=\frac{70}{120}

P(A \text{wins})=0.5833

6 0
3 years ago
X-Intercepts?
valkas [14]

Answer:

x-ints:  (2,0) & (4,0)

y-int:  (0,-8)

vertex: (3,1)  *highest point of the graph

line of symmetry: x = 3  *x-value in the middle of x-ints

a value is -#  *if parabola points done it's negative, if it points up it's positive

5 0
3 years ago
What is the geometric mean between 7 and 12
Tresset [83]

Answer:

Geometric Mean = 9.17

Step-by-step explanation:

Here,

a = 7

b = 12

Geometric mean = root(ab)

= root( 7 x 12)

= root(84)

= 9.17

6 0
2 years ago
Read 2 more answers
The force of gravity depends on the distance between objects? true or false​
MrRissso [65]

Answer:

True

Step-by-step explanation:

It depends on two factors :mass of the objects and distance between the objects

hope this will help u

3 0
3 years ago
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