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Len [333]
3 years ago
7

Find the value of x.

Mathematics
2 answers:
DanielleElmas [232]3 years ago
7 0

Answer:

x = -7

Step-by-step explanation:

Make an equation:

3x + 33 = 12

3x = -21

x = -7

zalisa [80]3 years ago
3 0

Answer:

x = -7

Step-by-step explanation:

form an equation.

14 + x + 2x + 19 = 12

like terms together;

x + 2x = 12 - 14 - 19

simplify;

3x = -21

divide both sides by 3;

x = -7

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Help !!!! due today!!! #5 and #6
Nitella [24]
Your #5 solution is already correct.
A linear function has the form y=mx+b
you have noticed that y increases by 5 for every 10 steps along x. Therefore, your slope m is 5/10=1/2.
b is your y value at x=0
so y=(1/2)x+5

Additionally, you can calculate it with 2 points
using (10, 10) and (20, 15) and the elimination method just inserting x and y into the basic form
I:10=10m+b
II:15=20m+b
subtraction of II from I:
-5=-10m
-1=-2m
->m =1/2
insert this in I again:
10=10*(1/2)+b
10=5+b
5=b
again y=(1/2)x+5
4 0
3 years ago
Find four consecutive even numbers so that the sum of all four is the same as three times the biggest number. (Hint: Let x = the
saveliy_v [14]
X + (x + 2) + (x + 4) + (x + 6) = 3(x + 6)...combine like terms
4x + 12 = 3x + 18
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x = 6

x + 2 = 6 + 2 = 8
x + 4 = 6 + 4 = 10
x + 6 = 6 + 6 = 12

so ur 4 numbers are : 6,8,10,and 12...and the sum of all of them (36) = 3 times the largest (3 x 12) = 36
4 0
3 years ago
What is the angle of C?​
melomori [17]

Answer:

32.5

Step-by-step explanation:

All you had to do was measure them see what was the half of each

5 0
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A doctor administers a drug to a 37
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Answer:

Step-by-step explanation:

Daily dosage is 53 mg/kg(37 kg) = 1,961 mg

There are 24/4 = 6 four hour periods in each day.

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A closer dosage might be to take 1 tablet every 6 hours.

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3 years ago
If a coin is flipped 20 times and a head comes up 11 times, what is the relative frequency of a head coming up?
zubka84 [21]
The Answer is 0.55 APEX 
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3 years ago
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