MATHEMATICS MIDDLE SCHOOL

there are 30 students in the school chorale and 12 of theses students can stay after school today and help prepare the stage for the concert what fraction of the students in chorale can stay after school today? write the fraction in simplest form.

Answers

Answer 1

Answer: 12/30=6/15
6/15 of these students can stay after school today.

Answer 2

Answer:

Answer: It would be 2/5

Step-by-step explain If you divide 12 divided by 30 you get 2.5 and as a fraction that would be two fifths

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What is the vertex for the graph below? A.(-2,0)
B.(0,2)
C.(0,2)
D.(2,0)

Answers

Answer:

Option D. (2,0)

Step-by-step explanation:

we know that

The graph show a vertical parabola open upward, the vertex represent a minimum

The vertex is the point (2,0)

How do I solve forax+by=c

Answers

Answer:

Subtract ax from both sides. ax + by − ax = c − ax.

Simplify. by = c − ax.

Divide both sides by b ; b ≠ 0. by b = c b − ax b ; b ≠ 0.

Simplify. y = c − ax b ; b ≠ 0.

How to find the domain and range of an equation?

Answers

domain is the x intercept and range is the y intercept
you have to look where the points are and write which is on the y intercept and which is on the x intercept

In determining the quality of the hats in a used-hat bin, a grandmother selects the first four hats she can reach. Which sampling technique did she use?Select one:
a. systematic sampling
b. convenience sampling
c. stratified random sampling
d. voluntary response sampling

Answers

b convenience sampling because if it looks bad then she should throw it away but if it looks good then she should keep it

Ive never seen a question like this tbh

Answers

The formula A=1/2bh is used to find the area of a triangle. You can find from the diagram that the base of this triangle is 9cm, and the height is 4cm. Plug those numbers into the area of a triangle formula.

A=1/2(9)(4)

Multiply to get 18 square cm, which is choice D.

Easiest question I have ever seen! :)
We know the formula of the area of a triangle
= $(1)/(2)$ ×base×height
The height given is 4 cm (we should take the perpendicular height)
And the base length is 8 cm
Simply, we just substitute the given numbers
= $(1)/(2)$ ×8×4
=18 cm²
The answer is D: 18 square m

Someone help me please

Answers

Answer:

A. Length= 1.5 inches

width= 2 inches

B. 15

Step-by-step explanation:

seems the question has been answered already 15

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