Please help me 7th grade math

Mathematics

2 answers:

grandymaker [24]3 years ago

6 0

Answer:

2/9 i think, i hated this stuff lol

Step-by-step explanation:

DaniilM [7]3 years ago

5 0

Answer: 2/9

Step-by-step explanation: hoped this helped :))

You might be interested in

A theater technician charges a $200 flat fee and 5% of all profits from ticket sales per show. If the technician made $400.00 on

ella [17]

The profit would be 5% of 400, or $\frac{5}{100}*400=\frac{400}{20}=20$ , that is, $20 for profit! Not much, I suppose...

4 0

3 years ago

Olivia is making a triangular pyramid model for math class. The triangular base has a height of 5 inches and a base of 8 inches.

Vesna [10]

Answer:

66.7 in^3

Step-by-step explanation:

The volume of a triangular pyramid is given by

V = 1/3 B h

where B is the area of the base and h is the height

Calculate the area of the base. The base is a triangle

B = 1/2 bh where b is 8 and h is 5

= 1/2 (8) * 5

=20

V = 1/3 (20) 10

66.6666666

To the nearest tenth

66.7 in^3

7 0

4 years ago

Read 2 more answers

The time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes

mixer [17]

Answer:

0.02275

Step-by-step explanation:

We have been given that the time needed to complete a final examination in a particular college course is normally distributed with a mean of 80 minutes and a standard deviation of 10 minutes. We are asked to find the probability of completing the exam in one hour or less.

We know that 1 hour equals 60 minutes. First of all, we will find the z-score corresponding to 60 minutes.

$z=\frac{x-\mu}{\sigma}$