Lisa walked 8 km more than Tim. Lisa walked twice as far as Tim. How far did each walk?

Answers

Answer 1

Answer: $x-\ Tim's\ distance\n\nx+8-\ Lisa's\ distance\n\n2x=x+8\ \ |Subtract\ x\n2x-x=8\nx=8\ \ -Tim\nx+8=8+8=16- \ Lisa\n\nLisa\ walked\ 16\ km\ and\ Tim\ 8km.$

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Mrs. Dimas has $130 to buy basketballs for Edison Middle School

Answers

Mrs. Dimas has $130 to but basketballs for Edison Middle School. How many can she buy at $15 each? interpret the reminder

you can't go over budget

cost=cost per backetball times number of basketbals
cost=15 times b
cost≤130
15b≤130
divide both sides by 15
b≤8 and 10/15
b≤8 and 2/3
round down because you can't buy 2/3 basketball

buy 8
the remainder means you have 2/3 of $15 left or $10

Answer:

Step-by-step explanation:

Combine the like terms to create an equivalent expression.
9y+y

Answers

The equivalent expression after combining the like terms of the expression 9y+y is 10y.

Given an expression:

9y + y

It is required to find the equivalent expression for this expression after combining the like terms.

Like terms are the terms in an expression or an equation that has the same variable to it or is constant.

They can be operated together.

Here, 9y and y are having the same variable, y.

So, they are like terms.

So, add 9y and y.

9y + y = y(9 + 1)

= 10y

Hence the expression is 10y.

Learn more about Like Terms here :

brainly.com/question/29169167

#SPJ6

Answer: 10y

Step-by-step explanation: All variables equal one unless assigned a specific answer. So It is basically 9y+1

9y+1=10y

Final Answer: 10y

Hope this helps! :D

What ate the coordinates of the fourth point that could be connected with (-8, 0), (1,0), and (1-5)

Answers

Well you can find out by the question it's pretty easy....

you have to find the same x coordinates and then see what the difference is in the y coordinate. For example, (1,0), and (1,-5) the difference is -5. So for (-8,0), and (1,0) your answer would be (8,-5)

What is the slope of the line through (-5, -3) and (-5, -7)?

Answers

Answer:

The answer is undefined.

Step-by-step explanation:

Slope is found using this equation: y-y1/x-x1. Fill in the coordinates to this equation. It should now look like this. -7--3/-5--5. When subtracting from two negatives, it changes into a positive. For example, -7--3 becomes -7+3, which equals -4. The same thing applies for the second part. -5--5 becomes -5+5, which equals 0. So, your slope is -4/0. However, when a 0 is in the denominator, it becomes undefined. So, the answer is undefined.

The volume of a spherical balloon is increasing at the rate of 25cm^3/min, how fast is the radius increasing when the radius is equal to 20cm?

Answers

Answer:

V＝4/3πr^3；S＝4πr^10；dV/dt＝dV/dr×dr/dt＝4πr^10×dr/dt；dS/dt＝dS/dr×dr/dt＝8πr×dr/dt＝2/r×dV/dt；当r＝10cm时,dS/dt＝50cm^2/s

Step-by-step explanation:

If f(x) = 5x + 40, what is f(x) when x = -5?
оооо

Answers

Answer:

Step-by-step explanation:

f(-5)= 5(-5)+40 = -25+40 = 15

You substitute -5 in place of x

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