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DedPeter [7]
3 years ago
14

Ms. Blankenship had $80 to purchase school supplies for her class. She bought 32 glue sticks and 32 boxes of crayons. Each glue

stick cost $1.40, and each box of crayons cost $0.59. How much money did Ms. Blankenship have left after these purchases? F $16.32 G $18.88 H $63.68 J $35.20
Mathematics
2 answers:
anzhelika [568]3 years ago
7 0
All 32 glue sticks cost 44.80 dollars and all the crayon boxes cost 18.88 dollars. She spent 63.68 dollars. She has 16.32 dollars left.
babymother [125]3 years ago
4 0
First you have to multiply 32 times 1.40 to get $44.80 Then you have to times 32 times 0.59 which equals $17.92 44.80 plus 17.92 equals $62.72. 80 minus 62.72 equals 17.28.  $17.28 is your answer <span />
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Susan has a 12-inch board for constructing a wooden chair.The directions say to use a board that is 29 centimeters long.Id her b
Advocard [28]

We have been given that Susan has a 12-inch board for constructing a wooden chair.The directions say to use a board that is 29 centimeters long. We are asked to determine if Susan's board is long enough to cut or not.

We know that 1 inch is equal to 2.54 cm.

Let us convert 12 inches into cm by multiplying 12 by 2.54.

12\text{ inches}=12\times 2.54\text{ cm}

12\text{ inches}=30.48\text{ cm}

Since 12 inches is equal to 30.48 centimeters and 30.48 is greater than 29, therefore, Susan's board in long enough to cut.

6 0
3 years ago
Please answer within 7 minutes !!
Gnesinka [82]

Step-by-step explanation:

x = by - 3/2

x + 3/2 = by

y = x/b + 3/(2b)

now compare this to the first equation :

y = 2x + 3

the system has infinite solutions, if both equations are actually identical.

and they are only identical, if b = 1/2

y = x/(1/2) + 3/(2 × 1/2) = 2x + 3

3 0
2 years ago
Which triangles are similar? which theorem do you use to prove the similarity?​
AURORKA [14]
I think the similar triangle is d and b for this question
7 0
3 years ago
an empty 1200 gallon tank is filled with water at a rate of 6 gallons of water per minute. At the same time another 1200 gallon
ser-zykov [4K]

Answer: 80 minutes

Step-by-step explanation:

Hi, to answer this question we have to write an equation for each tank:

An empty 1200 gallon tank is filled with water at a rate of 6 gallons of water per minute.  

So, the amount of water of the tank is equal to the filling rate, 6 liters per minute (6m)

  • Tank 1 =0 (empty )+ 6m  =6m

The second 1200 gallon tank full of water is being drained at a rate of 9 gallons per minute.

  • Tank 2 = 1200-9m

So, the amount of water in the tank is equal to the amount of water already in the tank (1200 g), minus the draining rate (9m)

Since both tanks will have the same amount of water:

6m = 1200-9m

Solving for m  (minutes):

6m+9m= 1200

15m = 1200

m= 1200/15

m= 80 minutes

Feel free to ask for more if needed or if you did not understand something.

4 0
3 years ago
Find the inverse of the radical function <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7Bx-2%7D" id="TexFormula1" title="\sqr
kolezko [41]

Answer: y=x³+2 or f⁻¹(x)=x³+2

Step-by-step explanation:

To find the inverse of the radical function, we replace y with x and x with y. Then, you solve for y.

y=\sqrt[3]{x-2}                        [replace y with x and x with y]

x=\sqrt[3]{y-2}                        [cube both sides to cancel out the cubed root]

x^3=y-2                          [add both sides by 2]              

x^3+2=y

Now that we have switched the variables and solved for y, we know that the inverse function is y=x³+2 or f⁻¹(x)=x³+2.

4 0
4 years ago
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