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Angelina_Jolie [31]
3 years ago
12

The weight of a boy was 15kg last year. If his weight increases by 3kg this year, find the percentage increase in his weight.

Mathematics
1 answer:
WARRIOR [948]3 years ago
4 0
This year = 18kg
18 x .3= 5.4
The percentage change would be 5.4%. If it needs to be rounded by the nearest tenth, then it would be 5%.
I’m pretty confident this is the answer but I’m not 100% sure. I hope this helps!
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Please its past due, will give brainlist, there is a pt. 2
Yanka [14]

Answer:

First we add 7 on both sides

-7x+3y= -6.3

+7. +7

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then we simply

-7x + 7x= -1

bring down the 3y

-6.3+ 7x = 0.23

So, -1x+3y=0.7

2y = 0.7

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2. 2

y = 0.35 or 35!!

Step-by-step explanation:

Hope this helps

5 0
3 years ago
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Ian made cookies for a bake sale. He made 91 cookies, including 30 cookies in the shape of a dog.
Yuliya22 [10]

Answer:

total sample space is 91

no of cookies in dog shape is 30

therefore

p(d)=30/91

8 0
2 years ago
Rates for having a manuscript typed at a certain typing service are $5 per page for the first time a page is typed and $3 per pa
Goryan [66]

Answer:

D. $680

Step By Step Explanation:

100 pages are typed. Each page coast $5 to type.

100 x 5 = 500

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40 x 3 = 120

10 pages are revised twice. It costs $3 to revise a page once so it will cost $6 to revise it twice

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6 0
3 years ago
Constructed Response
Len [333]

Answer:

Check Explanation.

Step-by-step explanation:

Totally, Terrell has 4 protein/meat options and 3 sauce options to pick from.

Meat Options: beef, pork, chicken, or tofu.

Sauce Options: hot, tangy and sweet sauce.

Individually, he could just pick each of the options, but now, the sample space would involve a combination of a protein option and a sauce option. So, the total sample spaces available would be every choice of protein and sauce available.

Using the fundamental counting principle,

A choice of beef meat will be followed by choice of either hot, tangy and sweet sauce giving a sample space of

(beef, hot), (beef, tangy), (beef, sweet)

This can then be repeated across the meat choices

(pork, hot), (pork, tangy), (pork, sweet)

(chicken, hot), (chicken, tangy), (chicken, sweet)

(tofu, hot), (tofu, tangy), (tofu, sweet)

Bringing the total sample spaces to

(beef, hot), (beef, tangy), (beef, sweet), (pork, hot), (pork, tangy), (pork, sweet), (chicken, hot), (chicken, tangy), (chicken, sweet), (tofu, hot), (tofu, tangy) and (tofu, sweet)

Making a total of 12 sample spaces!

Hope this Helps!!!

6 0
3 years ago
a pet store has 2 kittens. one kitten weighs 15/16 pounds. the other kitten weighs 12/16 pounds. what is the difference of the w
Lostsunrise [7]
Subtract 15/16 and 12/16 to get 3/16
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