MATHEMATICS MIDDLE SCHOOL

What ratio is equvalent to 6 over 12​

Answers

Answer 1
Answer:

Hello from MrBillDoesMath!

Answer:

1/2

Discussion:

6/12 =                            => as 12 = 6*2

6 /( 6*2)  =                      => cancel 6's in num and denom.

1/2

Thank you,

MrB

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What is the relationship between angle 1 and angle 5​

What is a trinomial?​

Answers

Answer:

(of an algebraic expression) consisting of three terms.

Example:

3x2 − 3y2 + 2
Bob!.$ jacks shjskss

What is 6×7 broken apart

Answers

distrubutied (2+4)X(3+4) answer 42

WILL MARK BRAINLIEST IF CORRECT!!! plz help I don’t understand at all & missed a week of school because I was sick. Find m

Answers

Answer:

23 degrees

Step-by-step explanation:

A straight line = 180 degrees, and there's a 90 degree angle on the left side, so (2x+14) + (x+7) = 90.

Then, just solve the equation.

3x + 21 = 90

3x = 69

x = 23

Therefore, m = 23 degrees

Answer:

23 degrees

Step-by-step explanation:

A straight line = 180 degrees, and there's a 90 degree angle on the left side, so (2x+14) + (x+7) = 90.

Then, just solve the equation.

3x + 21 = 90

3x = 69

x = 23

Therefore, m = 23 degrees

The outdoor temperature declines 3 degrees each hour for 5 hours.what is the change in temperature at the end of those 5 hours ?

Answers

15 degrees less than the original temperature you started with
If you multiply 3 degrees x 5 hours. = 15 total degrees in 5 hours

Hot dogs buns come in packages of 8 for the school picnic mr spencer bought 30 packages of hot dog buns . How many hot dog buns did he buy

Answers

Answer:

240 buns

Step-by-step explanation:

Hot dogs buns come in packages of 8.

Mr Spencer bought 30 packages of hot dog buns for the school picnic.

We have to multiply 30 packages with number of buns in one package.

He bought total number of hot dog buns = 30 × 8

                                                                    = 240 buns

Mr. Spencer bought 240 hot dog buns.
He bought 240 hot dog bun for the picnic you need to multiply 30x8=240

50 BIG POINTS! Please help me on 5 questions!

Answers

1)
Solve using elimination
Multiply the first equation by 2 and the second by 5 so you can figure out x
10x-6y=-18
10x-25y=20
Subtract the two equations
19y=-28
y=-2
Plug y into the equation and you get x=-3
(-3, -2)
2. C Just model the equation 
3. B Again, it's all about turning the word problem into equations
4. D. Use substitution and plug the x into the first equation.
5. 
Multiply the whole first equation by 2.
You can see that because 4*2=8
8x+10y=16
Hope this helps. 
coinciedent equations are the same equations but indifferent forms
example
2x+3y=2 is coincident with 4x+6=4 (multilied by 2)

so we have
4x+5y=8
next one was have
8x
we see that 4 times 2=8 so we just double the numbers
5 times 2=10
8 times 2=16
answer is 8x+10y=16
missing numbers are 10 and 16




subsitution meathod
absicalyy since you have x=y+2, then subsitue y+2 for x in the equaiton x+y=6 so
(y+2)+y=6
there fro the answer is D






d=desmond
g=george

d is 3 less than g
d=-3+g
d=g-3
combinded scores equals 187
d+g=187

the equations are
d=g-3 and d+g=187
the answer is B





child tikcet is 2 dollars so number of children times cost per child=cost
c times 2=cost=2c

adult tickets are same but differenc cost
6 times a=6a

so number of adults+number of kids=total number of people
c+a=38

cost of adults+cost of kids=total cost
2c+6a=148

the equations are
c+a=38 and 2c+6a=148
the answer is A













the solution is in the form (x,y)
so solv for x and y
5x-3y=-9
2x-5y=4
multily the first equation by -2 and the second equaiton by 5

-10x+6y=18
10x-25y=20
add them together

-10x+6y=18
10x-25y=20  +
0x-19y=38
-19y=38
divide both sides by -19
y=-2
subsitute
5x-3y=-9
5x-3(-2)=-9
5x+6=-9
subtract 6 from both sides
5x=-15
dvide by 5
x=-3

x=-3
y=-2
solution is
(-3,-2)


ANSWERS
missing numbers are 10 and 16
D
B
A
(-3,-2)
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