3 years ago

(HELPING WITH 6TH GRADE HOMEWORK)

Mathematics

1 answer:

Diano4ka-milaya [45]3 years ago

5 0

How many friends r there?

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What is the value of f(4) in the function below? f(x) = -1/1·2x A. 16 OB. 8 C. 2 OD. 4

exis [7]

Answer: 4

Step-by-step explanation:

$f(4)=\frac{1}{4} \cdot 2^{4}=\frac{1}{4} \cdot 16=4$

3 0

2 years ago

Hellppppppp pleaseeeeeee

Aleksandr-060686 [28]

Answer:

10^9/10^5

Step-by-step explanation:

2^3 = 8 x 2^6= 64 8 x 64 = 512

This is equal 10^9 / 5 ^ 9

6 0

3 years ago

If r> 0 and r^t = 6.25r^t+2, then r =

Firdavs [7]

I'm going to use n instead of t

rⁿ=6.25rⁿ+2
minus rⁿ both sides
0=5.25rⁿ+2
minus 2 both sides
-2=5.25rⁿ
divide both sides by 5.25
-2/5.25=rⁿ
take the nth root of both sides
$\sqrt[n]{\frac{-2}{5.25}}= \sqrt[n]{r^n}$
$\sqrt[n]{\frac{-2}{5.25}}= r$

4 0

3 years ago

3) A particular motorcycle is 9 ft long. A

Shalnov [3]

The model is 3 inches, since 3 times 3 is 9 and 1 times 3 is 3.

5 0

3 years ago

Read 2 more answers

A. 3/13 B. 10/39 C. 5/12 D. 8/13

ELEN [110]

The equation to find P(A and B) is P(A and B)= P(A) x P(B/A). P(B/A) stands for probability of B given A. First we need to find out the P(A). The P(A) is 8/13 because you have 13 marbles total and 8 white marbles. For P(B/A), it is 5/12. This is because there are 5 red marbles and given that A happened, there would only be 12 marbles left in the bag, leaving you with a 5/12 chance of getting a red marble. Now plug it in. 8/13 x 5/12 = 40/156, which simplifies down to 10/39. Thus, B is the answer.

4 0

3 years ago