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labwork [276]
2 years ago
7

Help me pleaseeeeeeeeeee

Mathematics
1 answer:
evablogger [386]2 years ago
8 0

Carry learning!

Stay safe!

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A school district needs 3 teachers for every 70 students. They expect to have 14,700 in the district next year. At this time the
VLD [36.1K]

Answer:

18

Step-by-step explanation:

We can use a proportion to find out the number of teachers that are needed.

3/70 = x/14,700

70x = 3 * 14,700

70x = 44,100

x = 630

630 teachers are needed altogether. Since there are already 612 teachers, the number of more teachers who are needed is the difference between 630 and 612.

630 - 612 = 18

Answer: 18

3 0
3 years ago
What is the value of x? <br><br>a.50<br>b.150<br>c.30<br>d.100​
Aleks04 [339]
A triangles is 180 degrees. 100+50=150.
180-150=30
X=30
4 0
3 years ago
Read 2 more answers
X²=14x-45 step by step please
dolphi86 [110]

Answer:

X=9 and X=5

Step-by-step explanation:

So you want to get one side to equal zero so you can factor and find x. I recommend subtracting 14x and adding 45 to both sides so you don't have to deal with a negative quadratic.

X^2 - 14X +45 = 0

Now you can factor. Your looking for two factors that equal 45 and add to -14

All factors of 45:

1 and 45, 3 and 15, 5 and 9, -1 and -45,

-3 and -15, -5 and -9

So out of those combinations -5 and -9 both multiply to 45 and add up to -14 so these are our common factors

(X-5)(X-9)=0

X-5=0 add 5 to both sides X=5

X-9=0 add 9 to both sides X=9

5 0
3 years ago
What is the area of this triangle in the coordinate plane?
Mars2501 [29]

Answer:

6 units

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Happy book lovers day
Temka [501]

Answer:

thank you

Step-by-step explanation:

6 0
3 years ago
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