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Nuetrik [128]
3 years ago
7

SOMEBODY HELP!!! will give brainliest

Mathematics
1 answer:
Rainbow [258]3 years ago
8 0
1. Slope: 2/3 Y-Intercept: (0,4)
2. Slope: -4 Y-Intercept: (0,-3)
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Which expression is equivalent to 9^3/3^3
Allisa [31]

Answer:

3^3

Step-by-step explanation:

Exponents

9^3 can be rewritten as

3^2 ^3

Using exponent rules a^b^c = a^ (b*c)

3^2^3 = 3^6

3^6 / 3^3

We know that a^b / a^c = a^(b-c)

3^6 / 3^3  = 3^(6-3) = 3^3

3 0
1 year ago
Read 2 more answers
The equation y = 55x 85 describes the amount of money a plumber charges, where y is the total amount he charges and x is the num
andrew11 [14]
Can you confirm the equation?  It looks like
y=55x 85
4 0
3 years ago
A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between 47.047.0 and
alisha [4.7K]

Answer:

0.025 = 2.5% probability that a given class period runs between 51.5 and 51.75 minutes.

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is between c and d is given by the following formula

P(c \leq X \leq d) = \frac{d - c}{b-a}

For this problem, we have that:

a = 47, b = 57, c = 51.5, d = 51.75. So

P(c \leq X \leq d) = \frac{d - c}{b-a}

P(51.5 \leq X \leq 51.75) = \frac{51.75 - 51.5}{57 - 47} = 0.025

0.025 = 2.5% probability that a given class period runs between 51.5 and 51.75 minutes.

4 0
3 years ago
BRAINLIEST FOR WHOEVER GETS IT RIGHT
NARA [144]

Answer:

13<y+x<32

Step-by-step explanation:

It depends.

If x and y are Whole Numbers, it would be 14<y+x<31.

If x and y are Real Numbers, including decimals and fractions, it would be 13<y+x<32

Since it doesn’t specify, it’s probably the latter.

4 0
3 years ago
-69=-3m-2(5m+2) help me solve plssss
sasho [114]

-3m-2(5m+2)=-69\ \ \ |\text{use distributive property}\\\\-3m-2(5m)-2(2)=-69\\\\-3m-10m-4=-69\\\\-13m-4=-69\ \ \ \ |+4\\\\-13m=-65\ \ \ \ \ |:(-13)\\\\\boxed{m=5}

5 0
3 years ago
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