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butalik [34]
2 years ago
6

Ms. Carr's Class Is Selling Magazines To Raise Money For A Field Trip. The Students In The Class Device They Wanted To Make 5.50

Profit Of Each Magazine They Sell. The Following Formula Describes This Scenario 5.50= M --- N Where M=Money They Want To Raise N=Number Of Magazines Sold Rewrite The Formula To Determine The Amount Of Money They'l
Mathematics
2 answers:
ValentinkaMS [17]2 years ago
5 0

Answer:

For you plato users the previous person had the formula correct you just probably didnt put it in correctly, put it in as 5.5*n=m and you will get it correct

Step-by-step explanation:

stiks02 [169]2 years ago
4 0
$5.50(n)=m
cost times number equals total 
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april bought some sports drinks and slices of pizza for her friend. she bought 3 more sports drinks than slices of pizza. if her
statuscvo [17]

Let the number of sports drinks April bought be represented by = s

Let the pizza slices April bought be represented by = p

As she spent a total of $21.25 so equation becomes:

s+p=21.25

p+3+p=21.25

2p=18.25

p=9.125

As she bought 3 more sports drinks than pizza slices so, s = p+3

8 0
2 years ago
Read 2 more answers
LK is tangent to circle J at point K. Circle J is shown. Line segment J K is a radius. Line segment K L is a tangent that inters
Evgen [1.6K]

Answer:

(B)r=\dfrac{85}{12}

Step-by-step explanation:

Given a circle centre J

Let the radius of the circle =r

LK is tangent to circle J at point K

From the diagram attached

  • LX=6
  • Radius, XJ=JK=r
  • LK=11

Theorem: The angle between a tangent and a radius is 90 degrees.

By the theorem above, Triangle JLK forms a right triangle with LJ as the hypotenuse.

Using Pythagoras Theorem:

(6+r)^2=r^2+11^2\\(6+r)(6+r)=r^2+121\\36+6r+6r+r^2=r^2+121\\12r=121-36\\12r=85\\r=\dfrac{85}{12}

The length of the radius, r=\dfrac{85}{12}

8 0
2 years ago
Read 2 more answers
Based on an online poll, 35% of motorists routinely use their cell phone while driving. Tree people are chosen at random from a
mart [117]

Answer:

The anwerss to the question are

(A) P(No less than two people use their phones while driving) =  0.1225

(B) P(The probability that no more than one person of the three people use their cell phone while driving) = 0.147875

Step-by-step explanation:

The given relations are

Percentage of motorists that routinely drive while sing their phone = 35 %

The probaboloty that if a peerson is random;ty  selected from a group of hudred person routinely uses their phone wjile friving P(phone) = 35

The probability that a  motorist randomly selected fron a set of 100 do not routinely use thir phones while driving = P(No celll phone)  = 65

Then the probability that when three people are selected at random at least two people of the three people use their cell phone while driving is

P(phone)  = 35/100m = 0.35

P(No celll phone)  = 65/100 = 0.65

(A) Probability of at least two of three use their phones whle driving is

0.35×0.35×0.65 +0.35×0.35×0.35 = 0.1225

(B) The probability of only one person out of three seted use their phones while driving is

(0.35)(0.65)(0.65) = 0.147875

7 0
2 years ago
A polygon is graphed on a coordinate grid with (x,y) representing the location of a certain point on the polygon. the polygon is
nasty-shy [4]

Answer: D. if a is greater than 1, the image of the polygon is smaller than the polygon

Step-by-step explanation: MARK ME BRAINLIEST!!!!

5 0
2 years ago
Maya bought a dozen specialty donuts at the bakery for $18. She purchased a mixture of frosted donuts for $2 each, glazed donuts
Zina [86]

Answer:

The quantity of frosted donuts = 2

The quantity of glazed donuts = 9

The quantity of custard filled donuts = 1

Step-by-step explanation:

Let the quantity of frosted donuts = x

Let the quantity of glazed donuts = y

Let the quantity of custard filled donuts = z

As per question statements, following equations can be made:

x+y+z=12......(1)\\2x+y+5z=18.....(2)\\x=2z ...... (3)

Putting x=2x in (1) and (2):

y+3z=12 .... (4)\\y+9z=18 .... (5)

Subtracting (4) from (5):

6z=6\\\Rightarrow z =\bold{1}

By equation (3):

x=\bold{2}

By equation (1):

y=\bold{9}

Therefore, the answers are:

The quantity of frosted donuts = 2

The quantity of glazed donuts = 9

The quantity of custard filled donuts = 1

3 0
2 years ago
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