Mathematics Middle School

Please help ASAP! -Screenshot-

Answers

Answer 1

Answer:

y = -2x

Step-by-step explanation:

the line passes through the origin (where both x and y are 0...they both meet).

that rules out it being the X +4 and x - 4 options.

the line goes from top left to bottom right, indicating that the gradient is negative. the gradient value if the number of front of the x in the equation.

negative gradient is a minus sign.

so our answer is y = -2x

Answer 2

y= -2x
this is because if you use the rise over run method, you have to go down two and over one, leaving you with -2/1 which is simplified to -2

Related Questions

This graph represents a linear function

select the equation represented by the graph

Answers

It would be option B,
Y=4/1x -1

Answer: [tex]y = \frac{1}{4} x - 1[/tex]

Step-by-step explanation: In general, know that the equation for a linear graph is [tex]y = mx + b[/tex], where

m = [tex]\frac{rise}{run}[/tex] = the slope of the linear functionb = the y intercept.

In our case,

m = [tex]\frac{rise}{run}[/tex] = [tex]\frac{1}{4}[/tex]b = -1

Please Help me! Please complete everything! Kiki’s grandmother gives her two empty piggy banks. Kiki decides to add 1
penny to Piggy Bank 1 each day. She also decides to add 2 pennies to
Piggy Bank 2 each day. Day 1 is completed for you.
(a)Complete this table to show how many pennies are in the piggy banks
for the first five days that Kiki has them

Answers

Answer:There are 15 Pennie’s in the piggy banks

Step-by-step explanation:

X=1,2,3,4,5

Y=2,4,6,8,10

Total pennies=15

There is 5 in piggy bank 1 and 10 in piggy back 2 for a total of 15pennys

a ladder is 13 feet long and leans up against he side of a house. the house and the ground form a right angle. The bottom of the ladder is 5 feet from the house.

what is the distance between the ground and the top of the ladder, in feet?

Answers

The Pythagorean Theorem

This theorem states that [tex]a^2+b^2=c^2[/tex], where c is the hypotenuse of a triangle and a and b are the legs (the other two sides).

Solution

As we can see from the image, we are given the lengths of the hypotenuse and one of the legs. Now, we must find x, the length of the other leg.

[tex]a^2+b^2=c^2[/tex]

Plug in the given lengths:

[tex]5^2+b^2=13^2[/tex]

Solve for b:

[tex]b=-12,12[/tex]

Since length cannot be negative, we know that b must be equal to 12.

Answer

x = 12 ft

The Pythagorean Theorem

This theorem states that , where c is the hypotenuse of a triangle and a and b are the legs (the other two sides).

Solution

As we can see from the image, we are given the lengths of the hypotenuse and one of the legs. Now, we must find x, the length of the other leg.

Plug in the given lengths:

Solve for b:

Since length cannot be negative, we know that b must be equal to 12.

Answer

x = 12 ft

20 points to whoever gets these right!! <3

Answers

Answer:

1st one 8/20

Step-by-step explanation:

Last one is the two way tables it should be 6/8

An American traveling in Japan wishes to exchange American money for Japanese money. If the exchange rate is $1 = 80 yen, then how many dollars will the traveler need to purchase 10,000yen?

Answers

Answer: $125

Step-by-step explanation:

1/80=x/10,000

10,000/80=125

Hope this helped!

Answer:125 yen

Step-by-step explanation:
Ratio and proportion

Ratio=1:80=x:10,000

x represents dollars which is unknown

1/80=x/10,000

Then you cross multiply

80x=10,000

80x/80=10,000/80

x=125

Therefore,$125 will give you 10,000yen

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