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Ymorist [56]
3 years ago
6

Please help me with this

Mathematics
2 answers:
Svetllana [295]3 years ago
6 0

Answer:

7, or (A) is your answer

Step-by-step explanation:

First, factor the number within the root.

√49 = √(7 * 7)

Note that there are two of the same factor within the root (7). When this occurs, they combine and become a whole number.

√49 = √(7  *7) = 7

7, or (A) is your answer

~

Dmitriy789 [7]3 years ago
3 0

Answer:

7

Step-by-step explanation:

sqrt(49)

What number times itself = 49

7*7 = 49

and

-7*-7 = 49

Given the choices  choose 7

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A bag contains 6 red marbles, 5 blue marbles and 8 green marbles. If three marbles are drawn out of the bag, what is the probabi
SVETLANKA909090 [29]

Answer: 5.8%

Step-by-step explanation:

In this situation there is no replacement so we have to mulitply the probablilty of the first,second, and third marble being green. First marble has a 8/19 probablilty of being selected because 19 total marbles in the bag and 8 green marbles. the next marble will have a 7/18 probabililty because now only 18 marble are in the bag and we are assuming we selected a green marble on our first draw. Same thing with the last green marble it would be 6/17 because there would be 17 marbles in the bag and 6 green ones left assuming we got the first 2

so 8/19*7/18*6/17=

56/969=

0.05779

5.77%

5.8%

3 0
3 years ago
Write an equation for the graph below.
vampirchik [111]

Answer:

f(x)= 3({2})^{x} - 3

Step-by-step explanation:

Let the equation be of the form

f(x)= a {b}^{x}  + k

be the equation, where k=-3 is the horizontal asymptote.

The equation now becomes:

f(x)= a {b}^{x}   - 3The curve passes through (0,0)

0= a {b}^{0}   - 3

0 = a - 3

a=3

This implies that:

f(x)= 3{b}^{x}   - 3

We again substitute (1,3)

3=3{b}^{1}  - 3

3b = 6

b = 2

The required equation is

f(x)= 3({2})^{x} - 3

3 0
4 years ago
The figure shows the location of 3 points around a lake. The length of the lake, BC, is also shown.
lions [1.4K]

Answer:

5.29

Step-by-step explanation:

Pythagorean theorem is used

We will call AB x

x^2 + 6^2 = 8^2

x^2 + 36 = 64

x^2 = 28

x = 5.2915026

<u>x = 5.26</u>

4 0
4 years ago
Help with question 12 please
Wittaler [7]
I really don’t know I’m so sorry hope someone will help
7 0
3 years ago
Read 2 more answers
Can you guys please help meeeeee????? And possibly explain it to me?
frozen [14]

Answer:

y= -1/2x+4

Step-by-step explanation:

slope = rise/run on the graph. the graph is going down, so it's negative. find where the line intersects the graph at a point and then count the squares up and over until it meets again. the line meets at (6,1), you count up one square and over 2 and it meets again. this gives you your rise/run = 1/2. the y intercept is where the line intersects the y axis. here the y intercept is 4 because the like goes through 4 at the y axis.

3 0
3 years ago
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