2 years ago

Identify the slope and y-intercept and graph the function.

Mathematics

1 answer:

vfiekz [6]2 years ago

3 0

Answer:

Step-by-step explanation:

(see pic)

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2. Nicole works at a garden center where she pots plants. It takes her 2 1/2 hours (or 2.5 hours) to pot 15 plants. How many pla

Nadya [2.5K]

Answer: 10 plants

Step-by-step explanation:

subtract 2.5 hours by 15 and you get 10.

6 0

3 years ago

Find the standard deviation for the set of data {27, 14, 7, 21, 19, 23, 26, 30, 4}

antoniya [11.8K]

4 , 7 , 14 , 19 , 21 , 23 , 23 , 26 , 27 , 30

Step-by-step explanation:

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2 years ago

What is the value of 2y + 3 when y +4 ?

MA_775_DIABLO [31]

Answer:

substitute y = 4 into the expression⇒(2×4)+3=8+3=11

Step-by-step explanation:

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2 years ago

The mean weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distri

Anna71 [15]

Answer: 4.75%.

Step-by-step explanation:

Given: The mean weight $(\mu)$ of 500 college students is 70 kg and the standard deviation $(\sigma)$ is 3 kg.

Let X be the number of students weight over 75 kg.

If the weight is normally distributed, then the probability that students weigh over 75 kg:

$P(X>75)=P(\dfrac{X-\mu}{\sigma}>\dfrac{75-70}{3})\\\\=P(z>\dfrac53)\\\\=P(z>1.67)\\\\=1-P(z$

Hence, the percentage of students weigh over 75 kg = 4.75%.

6 0

3 years ago

Each school year, the seventh graders who study Life Science participate in a special field trip to the city zoo. In 2010, the s

Mrac [35]

Answer:

A. No it is not proportional.

B. The price goes up then down, and all years equal the same amount per student.

C. Constant proportionality starts at (0,0) and is constantly increasing.

D. $1,800 15×120=1,800

E. 95 students because 1,425÷15=95

3 0

3 years ago