MATHEMATICS MIDDLE SCHOOL

5) Jacob bought three toy cars for a total of
$9. How much did each toy car cost?

Answers

Answer 1
Answer: Each toy car costs $3
Answer 2
Answer:

Answer:

$3

Step-by-step explanation:

9/3=3

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the line l, passes through point A, {2,5} and has gradient - 1/2 find and equation of l, giving your in answer in the form y=mx+c

Answers

m=slope= gradient
c=y intercept

(x,y)
(2,5)
x=2
y=5 is one solution
and m=-1/2

input

5=-1/2(2)+c
5=-2/2+c
5=-1+c
add 1
6=c

equaton is y=-1/2x+6

What’s the pattern? 5/1,10/2,9/2,18/4,17/8,34/32,33/256...

Answers

Answer:

jusdbhfkfgflhhgskjgbf

Step-by-step explanation:

There are 12 girls and 16 boys in javier's math class.There are 26 girls and 14 boys in javier's choir class.Is the ratio of girls to boys in the two classes equivalent? Explain

Answers

Answer:

Not equivalent

Step-by-step explanation:

A fraction is a part of whole .

Two fractions are said to be equivalent if their lowest forms are same .'A fraction (a)/(b) is said to be in lowest form if HCF(a,b)=1.

Given :

Number of girls = 12

Number of boys = 16

So, fraction = (Number\,\, of\,\, girls)/(Number\,\, of\,\, boys)

 =(12)/(16)=(2* 2* 3)/(2* 2* 2* 2)=(3)/(4)

Number of girls = 26

Number of boys = 14

So, fraction = (Number\,\, of\,\, girls)/(Number\,\, of\,\, boys)=(26)/(14)=(2* 13)/(2* 7)=(13)/(7)

As (3)/(4)\neq (13)/(7) , these fractions are not equivalent .
These ratios are not equivalent because if you calculate it, they do not start from the same simplified ratio. 12/16 is 3/4 and  26/14 is 13/7 and those two ratios are not equivalent. I hope this helped you

How do you graph 1/3x-1/6y=-2/3

Answers

-1/3x from both sides

Divide -1/6 from both sides

Then graph

Final answer:

To graph the equation 1/3x - 1/6y = -2/3, rearrange it into slope-intercept form (y=mx+b), plot the y-intercept at (0, 4), and use the slope (2) to find additional points on the line.

Explanation:

To graph the equation 1/3x - 1/6y = -2/3, we can rearrange it into slope-intercept form (y = mx + b), where m is the slope and b is the y-intercept. Start by isolating y variable by adding 1/6y to both sides of the equation:

1/6y = 1/3x + 2/3

Then, multiply both sides of the equation by 6 to eliminate the fraction:

y = 2x + 4

Now, we can see that the slope (m) is 2 and the y-intercept (b) is 4. To graph this equation, plot the y-intercept at (0, 4) and then use the slope (2) to find additional points on the line.

Learn more about Graphing Linear Equations here:

brainly.com/question/14240165

#SPJ12

Use the substitution method to solve the system of equation.choose the correct ordered pair. 2x+3y=29
x=4

Answers

I’m not sure if the 2 is counted in the equation or not

Since x=4, substitute it for x in the other equation

4+3y=29
3y=25
Y=8.333333333

2(4)+3y=29
8+3y=29
3y=37
y=12.33333333

Which algebraic expression is equivalent to the expression below?15(9 + 5x) + 16

75x - 151
75x + 151
75x + 119
5x + 151

Answers

so first distibute using distributive porperty

distributive property=
a(b+c)=ab+ac

so 15(9+5x)=135+75x

135+75x+16
group like terms
75x+151

the answer is the second option
Simplify:
15 (5x+9)+16

15 (5x+9) = 75x+135:
75x+135+16


75x+(135+16) = 75x + 151
Answer = 75x + 151
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