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Rom4ik [11]
3 years ago
10

two pounds of dried cranberries cost $5.04, 3 pounds of dried cranberries cost $7.56, and 7 pounds of dried cranberries cost $17

.64.Which equation gives the total cost y of x pounds of dried cranberries?
Mathematics
1 answer:
yanalaym [24]3 years ago
5 0
5.04 divided by 2 =y
x=number of ponds for any equation you make up
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A cat keeps eating to gain weight while a dog keeps doing exercise.Later, the cat's weight increases by 20% and the dog's weight
lesya [120]

Answer:

Step-by-step explanation:

We will call the dog's original weight d and the cat's c.  according to the problem 1.2c=.9d

1.2c is the cat's weight increased by 20% and .9d is the dog's weight decreased by 10%  Now we just solve this with algebra for the dog's original weight.

1.2c=.9d

(1.2/.9)c = d

(4/3)c = d

Now, this tells us that the dog's original weight was 4/3 of the cat's.or  about 33.33% larger

It kinda looks like the question is then asking what the cat's current weight is  in comparison to the dog's original.  If that's the case we need just one more step.  We want the dog's original weight and the cat's current weight in terms of the same variable.  Well, we have that.  

Current cat = 1.2c or 6/5, since we have the other in fractional form.

original dog = (4/3)c  

Now, what do we multiply the first to get to the second?  Well, we need common denominators.  15 is the lcm of 3 and 5, so we'll use that.

6/5 = 18/15 and 4/3 = 20/15

Nowwe want to know what we have to multiply 18 by to get to 20.  some algebra will find that.

18x=20

x = 20/18

x = 10/9

that's about 1.11, so the dog's original weight is about 11% higher than the cat's current weight.  

Hopefully that's the answer it wanted, if not or if there is something you didn't understand let me know.

7 0
3 years ago
Camp tent has a center pole 5 feet high. The sides of the tent make an angle of 55 degrees with the ground. How wide is the tent
Sphinxa [80]

To answer this problem, you need to use SOHCAHTOA.  The pole, the tent, and the ground form a right triangle.  One leg is equal to 5.  The top angle is 55.  You need to find length of the other leg, so use tangent.  

tan55=O/5

O=0.4375

Double this to find the total width of the tent.  0.4375*2=0.875

0.875 (rounds to 1) feet

Hope this helps!!

5 0
3 years ago
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3. 325 Students attend a school, 195 are girls <br> Give the proportion of boys as a decimal
ArbitrLikvidat [17]

idk

but here is the alphebet

abcdefghijklmnopqrstuvwxy

and

z

6 0
3 years ago
Which rule describes the relationship between the xxx- and yyy- coordinates on the following graph?
SVETLANKA909090 [29]
I think choice b I’m not sure
6 0
2 years ago
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Carl is going to make a frame for a picture. The dimensions of the frame need to be 2 feet by 18 inches. How long must the board
kenny6666 [7]


<span>A rectangle has two pairs of sides of equal length. </span>

<span>So perimeter P = 2ft + 18in + 2ft + 18in </span>

<span>The units have to be all the same to add them so.... </span>

<span>P = 2ft + 1.5ft + 2ft + 1.5 ft </span>

<span>P = 7 ft. </span>

<span>So the board would have to be 7 feet to make a 2ft x 1.5ft picture frame.</span>
3 0
3 years ago
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