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Ulleksa [173]
3 years ago
11

Plz help this is timed

Mathematics
1 answer:
LiRa [457]3 years ago
7 0

Answer:

y= 3/2× (-1/2) x=0

Step-by-step explanation:

multiply the equation by both sides by 4/3 and nd then you get 0=x then you swap the sides of the equation x=0 nd your answer is x=0

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There are 32 students in a class. Of the class, 3/8 of the students bring their own lunches. How many students bring their lunch
OverLord2011 [107]

Answer:

The number of students that bring their lunches is 12        

Step-by-step explanation:

Let

x -----> the number of students that bring their lunches

y -----> the total number of students in a class

we know that

The number of students that bring their lunches divided by  the total number of students in a class must be equal to 3/8

\frac{x}{y}=\frac{3}{8}

x=\frac{3}{8}y  -----> equation A

y=32 -----> equation B

substitute the value of y in equation A and solve for x

x=\frac{3}{8}(32)

x=12

therefore

The number of students that bring their lunches is 12

6 0
3 years ago
F(x) = x² -3x find (-8)
e-lub [12.9K]

Answer:

40

Step-by-step explanation:

plug -8 into the x so

f(-8)=(-8)^2-3(8)=

=64-24=

=40

therefore, f(-8)=40

5 0
3 years ago
What is 35+20/-4 times 7=?
saw5 [17]
The answer would be 210 because 20/-4 equals -5 and 35+(-5) equals 30. 30×7 equals 210. Hope that helped :D
6 0
3 years ago
How do you solve 5 1/4 - 2 3/4
CaHeK987 [17]

5 \frac{1}{4 } - 2  \frac{3}{4}

\frac{21}{4}  -  \frac{11}{4}

\frac{21 - 11}{4}

\frac{10}{4}

\frac{5}{2}

7 0
3 years ago
Read 2 more answers
What is the relationship between the 6's in the number 6,647?
Gennadij [26K]
The first 6 is in the hundreds and the other six is in the thousands
8 0
3 years ago
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