Help step by step I don’t understand(:

Answers

Answer 1

Answer: it is a because each day you run 5 miles, meaning 100 miles is decreasing since you keep running the miles away, for example if you ran for 4 days 100-20, because we multiplied 4x 5( the amount of miles) and now we would have 80 miles to go

Answer 2

Answer:

It would have to be the first option.

The second option is not correct because you are not adding more than what her goal is.

The third option is not correct because you are not dividing from her goal.

The fourth option is not correct because it would ultimately result in a negative number.

The first option is correct because it subtracts how many days she has ran times 5 from her goal. The resulting answer would show how many miles she has left to reach her goal of 100 miles during that month.

Hope this helps!

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Y=5x-8. what is the input whne the output is 12?

Answers

the input is 4 because 5x4=20 and 20-8=12
how do you solve for x?
1) write the equation
y=5x-8
2) substitute 12 for y
12=5x-8
3) Add 8 to each side
20=5x
4) divide each side by 5
x=4

Answer:

is 5 my bro

Step-by-step explanation:

Circle X is shown. Line segment X Y is a radius. Line segment Y Z is a tangent that intersects the circle at point Y. A line is drawn from point Z to point X and goes through a point on the circle. The length of the line segment from point X to the point on the circle is 8, and the length of the line segment from the point on the circle to point Z is 9.What must be the length of ZY in order for ZY to be tangent to circle X at point Y?

14 units
15 units
16 units
17 units

Answers

By applying Pythagorean' theorem, the length of ZY to be tangent to circle X is equal to: B. 15 units.

How to determine the length of ZY?

Since line ZY is tangent at point Y and the radius of a circle is always perpendicular to tangents, we can deduce the following points:

Line segment XY is perpendicular line segment ZY.

Triangle XYZ is a right-angled triangle.

Thus, the length of XZ is given by:

XZ = 8 + 9

XZ = 17 units.

Next, we would apply Pythagorean' theorem to find the required length of ZY:

XZ² = ZY² + XX²

17² = ZY² + 8²

ZY² = 289 - 64

ZY = √225

ZY = 15 units.

Read more on Pythagorean theorem here: brainly.com/question/23200848

#SPJ9

Answer:

i believe it is 15

Step-by-step explanation:

What must be the length of ZY in order for ZY to be tangent to circle X at point Y?

14 units

15 units should be 15 units

16 units NOT

17 units

Use the distributive property to rewrite the expression as a multiple of a sum of two numbers with no common factor.12 + 20

Answers

32 is your answer thank u very much

it’s 32!!! :))) haha yeah

The expression 12g gives the number of kilometers a car can travel using g liters of gasoline. How far can this car travel on 5 1/2 liters of gasoline?

Answers

Answer:

66 km

Step-by-step explanation:

Given that

Number of km's traveled by a car using g liters of gasoline = 12g

Number of gallons of gas required to travel 12g kilometers = g

We have to find

How far this car can travel using $5 (1)/(2)$ or 5.5 liters of gasoline = x= ?

Now we can find this by substituting g= $5 (1)/(2)$ in the the above equation representing number of kilometers traveled by the car.

Number of km's traveled by a car using $5 (1)/(2)$ liters of gasoline = 12 ( $5 (1)/(2)$ )

x = 12 (5.5)

x= 66 km

So, the car travels 66km in 5.5 liters of gasoline

Substitute in 5 1/2 for g in the expression : 12g=12(5 1/2)=66

So, this car can go 66 kilometers on 5 1/2 liters of gasoline.

A DJ has a total of 1075 dance, rock, and country songs on her system. The dance selection is three times the size of the rock selection. The country selection has 105 more songs than the rock selection. How many songs on the system are dance? Rock? Country? Please help! This has to do with substituting linear equations.

Answers

$D+R+C=1075\nD=3R\nC=R+105\n\n(3R)+R+(R+105)=1075\n5R=970\nR=194\n\nD=3(194)=\nD=582\n\nC=(196)+105=\nC=301$

582 dance songs.
194 rock songs.
301 country songs.

Answersub to me melodwybae

Step-by-step explanation:

How can I know which is bigger and which is smaller?

Answers

Okay, so the top numbers are how many pieces we have, and the bottom number is how many pieces there are, think of it like a pizza. If the pizza is cut into 8 slices and you have one slice, you have a smaller piece of pizza than one slice from a pizza that was only cut into 6 pieces, which is smaller than one slice from a pizza that was only cut into 3 pieces. The more pieces there are, the smaller the pieces are, so the bigger the bottom number is, the smaller the fraction is.

the bigger the number in the bottom the fraction is getting smaller

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