MATHEMATICS MIDDLE SCHOOL

lucy has $25 in her piggy bank. She plans to add $5 per week until she has a total of $75. (Let your variable be x).

Answers

Answer 1
Answer:

Answer:

75=5x+25

Step-by-step explanation:
Answer 2
Answer:

Answer:

25 + 5x = 75

x = the number of weeks it takes to reach $75

Related Questions

Plz help, I need answers to these questions ASAP, would appreciate a short step-by-step explanation with each! WILL MARK BRAINLIEST!!!You’ve been given $500.00 for your fencing. So first we are going to make as big of a rectangular field as we can with the money that we have for the fencing to surround it. The cost of premium fencing (only the best for your farm, of course) is $11.41 per metre. So with that, and the following equations:A=l*wP=2l+2wWhere A is the area, P is the perimeter, l is the length, and w is the width of a rectangle, we can find the maximum area that we can have for this field.Perimeter of fence:Area of farm:Let’s say we have access to planting 2 different crops, Watermelons and Grapes. We can find the revenue of a crop by the equation:R = (p0 + px)(n0 - nx)Where R is the revenue, p0 is the starting price, n0 is the amount sold at the starting price, p is the price increase, n is the decrease in the amount sold per price increase, and x is the number of price increases.Crop A: Watermelons have a starting price of $12.00 per m2 of area sold. At this price, you can sell 45 m2 worth. For every $2.00 increase, you will sell 1 m2 less. So the first task is to figure out how to put these values into the equation above and turn it into a quadratic function. Then you will need to find the value of x to make the revenue as large as possible. Once you know x, the number of price increases, you can then find what you should price your Watermelons per m2.Equation: R =Number of price increases: x =Price of Watermelon per m^2 =Okay, now we can do the same thing with the grapes, just to give you that extra practice with quadratic functions. The starting price of grapes per m² is $8.00, at which you can sell 60 m² worth. For every $3.00 increase in price, you sell 3 m² less. So use the same method you just used to find the price of grapes per m² of area to maximize revenue.Equation: R =Number of price increases: x =Price of grape per m^2 =Okay, so now, all in all, we have built our farm and found what to price each of our crops at. Now let’s find what amount of each crop to grow and find our profits. Getting right into it, we have the following cost equations:CW = $20.00 * W + $50.00CG = $10.00 * G + $40.00Where CW is the total cost of planting and growing Watermelons, CG is the total cost of planting and growing Grapes, W is the area of Watermelons planted, and G is the area of Grapes planted. Now that we know our cost, we can finally find our profits. Profit is equal to the price per unit area, multiplied by the area sold, subtracted by the total cost planting and growing them, or, Profit = Price * Area - Cost. But at this point, we still don’t know the area of each crop in our field. But we do know a couple of things to figure it out. We know the total area of our farm, found in the first part. Which we can say is, Area = G + W And we were also only given $1590 to plant the crops. So, $1590.00= CW+CG I’ll help you simplify this a bit:$1590.00=$20.00*W+$50.00+$10.00*G+$40.00 $1590.00=$20.00*W+$10.00*G+$90.00So now we have enough information to solve for the areas of Watermelons and Grapes in your field. Here’s some room to do that. Hint: Use either substitution or graph the two equations to find an intersection.Area of watermelon to plant:Area of grapes to pant:Profit of the crops:
28 inches to 3 feet ratio​
the scone recipe calls for 3 3/4 cups of flour. If Charlotte wants to cut the recipe in half, how much flour should she use?
What is the answer to 15g+18=
The product rule for exponents states that for two or exponents that share the same base, the products is equal to their shared base to the sum of their exponents.Can anyone help me figure this out?10⁻⁵ · 10⁴ · 10⁸ = 10⁻⁵⁺⁴⁺⁸ = 10⁷

16 2/3% of what number is 45

Answers

convert 16 and 2/3 to impropoer
16 and 2/3=50/3
percent means parts out of 100
16 and 2/3%=(16 and 2/3)/100=(50/3)/100=50/300=1/6

'of' means multiply

therefor we translate
16 and 2/3% of what is 45
 
1/6 times what=45
multiply bth sdies by 6/1 to clear fractio (1/6 times 6/1=6/6=1)
what=270


the number si 270

Round 19.98 to the nearest whole number

Answers

19.98 rounded to the nearest whole number is 20. 
In the number 19, 9 round the 1 to a 2 and the 9 becomes a 0 because of the 9 behind the decimal. 
OR
You could think of a percent being 100. 98 is only 2 numbers away from 100 and thus you can round 19 up to 20.

Hope this helps! (:
The answer is 20. To make problems like this easier for you to understand, if the number is greater than 5 round up. If the number is 4 or less, round down.
 I hope you get what I am saying.

How many square feet is 8 feet by 2 ft by 2 ft by 1 foot

Answers

32ft you do 8*2*2*1 to get 32

Identify the property shown. 3p · (2 + k) = 6p + 3pk



A.
transitive


B.
associative


C.
commutative


D.
distributive

Answers

The answer is D. it is that because u are distributing the numbers within the parenthesis. HOPE THIS HELPS!!!!!!!!!

HURRY PLEASE WHOEVER ANSWERS FIRST WILL BE THE BRAINLIEST!!!Which statement best explains the relationship between lines FG and HJ?

A.They are perpendicular because their slopes are equal.
B.They are perpendicular because their slopes are negative reciprocals.
C.They are not perpendicular because their slopes are equal.
D.They are not perpendicular because their slopes are not negative reciprocals.

Answers

we know that

If two lines are perpendicular then, the product of their slopes is equal to minus one, that means that their slopes are negative reciprocals

so

m1*m2=-1

Step 1

Find the slope of the line HJ

H(-4,-2)\nJ(0,4)

we know that

the slope between two points is equal to

m=((y2-y1))/((x2-x1))

substitute the values

m1=((4+2))/((0+4))

m1=((6))/((4))

m1=(3)/(2)

Step 2

Find the slope of the line HJ

F(-4,1)\nG(0,-2)

we know that

the slope between two points is equal to

m=((y2-y1))/((x2-x1))

substitute the values

m2=((-2-1))/((0+4))

m2=((-3))/((4))

m2=-(3)/(4)

Step 3

Verify if the two lines are perpendicular

m1=(3)/(2)

m2=-(3)/(4)

Find the product m1 by m2

(3)/(2)*-(3)/(4)=-(9)/(8)

so

-(9)/(8)\neq -1 --------> the slopes are not negative reciprocals

therefore

the answer is the option

D.They are not perpendicular because their slopes are not negative reciprocals
The answer to this question is B. They are perpendicular because their slopes are negative reciprocals.

Two lines can be perpendicular if they make a 90 degree angle and/or their slopes are negative reciprocals.

160 miles on 7 gallons of gas

Answers

So I'm assuming that you're trying to find how many miles per gallon, right? 
160/7=22.86
So, rounded to the nearest hundredth, the answer is 22.86 miles per gallon.
Hope this helps!
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