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Mrrafil [7]
3 years ago
5

Amir wants to scale up a photo to create a poster for his room. The original picture is 6 inches in width and 4 inches in height

. What will be the height of the poster if its width is 30 inches?
Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0
20 is the answer. is this ratios?
You might be interested in
There are 100 students in a hostel. Food provision for them is 20 days.How long will these provision last if 25 more students jo
Anvisha [2.4K]
Currently 100 students can eat for 20 days, so we need to find the number of days 125 students can eat.

Originally:
100 students eat for 20 days

New:
125 students eat for x days. Multiply original number of students by original number of days which will give the total amount of students per day. Then divide the total amount of students per day by the new number of students to find the new number of days.

x= (100 students * 20 days)/ (100+25)
x= (100 * 20)/ 125
x= 2000/125
x= 16 days

ANSWER: 125 students can eat for 16 days.

Hope this helps! :)
4 0
3 years ago
Can someone Please Help me?
blagie [28]

1.) C

2.) A

3.) B

4.) C

5.) idk

6.) A

7a.) non proportional because the line does not pass through the origin (0,0)

7b.) The slope is -2x

7c.) The y-intercept of the line is -3.

7d.) The equation of the line is y = -2x - 3

7 0
3 years ago
Find the slope of the graph.
professor190 [17]

Answer:

Slope= m = Δy/Δx = (y₂-y₁)/(x₂-x₁) = rise / run  

Step-by-step explanation:

Hope that helps .  Just plug in your values if you are given two points

for example: (3,4) = (x₂,y₂)    (1,2) = (x₁,y₁)  

Just substitute in the equation above

(4-2)/(3-1) = 2/2 =1  

good luck

6 0
3 years ago
A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple. how many ways are there to choose:
swat32
Is this a probability question?
7 0
3 years ago
Show questions
cupoosta [38]

Answer:

The cost is a fixed $2, plus $3.25 for any additional hour.

Then if you rent it for x hours, the cost is:

c(x) = $2 + $3.25*x

Is this situation continuous or discrete?

Yes, it is discrete, because x is "the number of hours"

so if you rent it for 1.30 hours, they will say "ok, this is equivalent to two hours".

This means that while the values of x are continuous, the possible costs are:

{$2, $2 + $3.25, $2 + 2*$3.25, ....}

Which is a discrete set.

Then the sign for 1 to 5 hours will be:

1 hour ---------- $2 + $3.25 = $5.25

2 hours -------- $2 + 2*$3.25 = $8.50

3 hours--------- $2 + 3*$3.25 = $11.75

4 hours--------- $2 + 4*$3.25 =  $15

5 hours -------- $2 + 5*$3.25 = $18.25

In the other park the cost is only $4 for each hour (no fixed cost) then the total cost for x hours is:

c(x) = $4*x

Now, which option is better?

If we look at the costs for different numbers of hours for this other equation, we have:

1 hour ----- $4

2 hours ---- 2*$4 = $8

3 hours ----- 3*$4 = $12

4 hours ------ 4*$4 = $16

Then: if you want to skate 2 hours or less, Skate City is cheaper, if you want to skate more than that, kate Days is cheaper.

This happens because the first one has a smaller slope, meaning that is larger at first, but as x grows the price does not grow as much as in Skate City

7 0
2 years ago
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