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rodikova [14]
2 years ago
8

A sixth-grade math teacher can grade 25 homework assignments in 20minutes. What is the rate per minute? He can grade assignments

in 1
minute.
Mathematics
1 answer:
baherus [9]2 years ago
5 0

Answer:

He can grade 1.25 assignments in 1 minute.

Step-by-step explanation:

Because the teacher can grade 25 assignments in 20 minutes, we can dive 25 by 20 to get the constant rate.

25/20\\1.25

So he can grade 1.25 assignments in 1 minute.

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What is 9x-5x ????i need help
Dima020 [189]

Hi there!

Answer:

<u><em>=4x</em></u>

Step-by-step explanation:

Distributive property: ⇒ a(b+c)=ab+ac

You had to add similar elements.

9x-5x=4x

5x+4x=9x

9x-4x=5x

final answer: =4x

Hope this helps!

-Charlie

Have a great day!

4 0
3 years ago
Jessica earns $63.70 in 6.5 hours. How much does she earn in 1 hour?
hichkok12 [17]
She earned 9.8 bc if u cross multiply and a proportion of 63.7/6.5=x/1 u get 63.7=6.5x divide 6.5 for both sides of the equal sign and get 9.8
8 0
3 years ago
The graph below shows the solution to which system of inequalities
Oksi-84 [34.3K]
The answer is
the option A
<span>The graph shows the solution of the system of inequalities
y> -3
y<=-x

using a graph tool
see the attached figure</span>

5 0
3 years ago
Read 2 more answers
The dual bar chart shows the hair colour of boys and girls in a year group. What fraction of the red haired students are boys? G
Step2247 [10]

Answer:

\frac{3}{4}

Step-by-step explanation:

Total red haired students = 15+5 = 20

Boys = 15

<u><em>Fraction:</em></u>

=> \frac{15}{20}

<u><em>In simplest form:</em></u>

=> \frac{3}{4}

3 0
3 years ago
On the grid, draw the line with<br> the equation x = -4
nexus9112 [7]

Answer:

Step-by-step explanation:

On a grid,

go to the middle, aka 0,0

move left 4 times, but stay on the same line. Then draw that line up and down on the -4 of x.

sorry if this isn't clear

6 0
3 years ago
Read 2 more answers
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