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Vera_Pavlovna [14]
3 years ago
11

Solve: The number of students is 7 more than 5 times the number of teachers there are 12 teachers how many students are there

Mathematics
2 answers:
Fofino [41]3 years ago
4 0

Answer: There are 67 students


Step-by-step explanation:


liq [111]3 years ago
4 0

Answer:


Step-by-step explanation:

The answer is 67 because 12 times 5 is 60 and then plus 7 is 67 hope that helped

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9 -4n+ 3n = 8n + 3 -3
ArbitrLikvidat [17]

Answer:

Answer:

n = 1

Step-by-step explanation:

This equation is just basic alegebra.  First, combine like terms to get

9 - n = 8n.  (Because 3 - 3 = 0, and -4n + 3n = -n.)  Now the equation is much simpiler;  add n to both sides to get 9 = 9n.  Divide 9 by both sides to get that n = 1.  

You can check your answer by plugging 1 in for n.  

9 - 4(1) + 3(1) = 8(1) + 3 - 3

9 - 4 + 3 = 8 + 3 - 3

5 + 3 = 11 - 3

8 = 8

Therefore, n is proven to equal 1.  

Hope this is helpful kid sorry i went very far yesterday hope you can forgive me but Anyways here it is <3

3 0
3 years ago
This is due in 15 minutes pls help me lol thx
GaryK [48]

Answer:

ITS A

Step-by-step explanation:

PLZ GIVE BRAINLEIST

7 0
3 years ago
Read 2 more answers
-6x – 4y = -14<br> 4x – 12y = -20<br><br> a. (1, 2)<br> b. (-2, 1)<br> c. (-2,4)<br> d. (-2,-4)
dangina [55]
It’s probably A. (1,2) hope this helps..
5 0
3 years ago
Read 2 more answers
A _________ is used to change one unit to another?
slamgirl [31]

Answer:

conversion factor

Step-by-step explanation:

A conversion factor is a number used to change one set of units to another, by multiplying or dividing. When a conversion is necessary, the appropriate conversion factor to an equal value must be used. For example, to convert inches to feet, the appropriate conversion value is 12 inches equal 1 foot.

8 0
3 years ago
The sum of the measures of angle Y and angle Z is 180 degrees. Angle Y measures (3x + 20) degrees and Angle Z measures x degrees
Minchanka [31]
A)
The question tells us that
y + z = 180
And
y=3x+20
z=x

So we put them in the first formula:

y + z = 180
(3x + 20) + x = 180

Add and get x to one side:
4x + 20 = 180
4x + 20 - 20 = 180-20
4x = 160
Divide both sides by 4
x = 40

B)
Put x back in to equation to get size of each angle:

Y =3x +20
Y=3(40)+20
Y=120+20
Y=140

Z=x
Z=40

Verify: y+z=180
140+40=180
180=180
8 0
2 years ago
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