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3 years ago

Solve all questions please!

Mathematics

1 answer:

andreyandreev [35.5K]3 years ago

3 0

The answer that have the red border are the answer to the letter the exercise asks for. hope it helps!
Greetings

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How do I solve the linear equation of 27=6(x)+4(y) over 20=2(x)+5(y)

larisa86 [58]

27 = 6x + 4y = 1 7/20 = 3 4/5
20 = 2x + 5y

8 0

2 years ago

An 8 oz glass of grape juice contains 0.6 mg of iron. About what percent of RDA of iron for an 15 year old male is provided by 8

babymother [125]

Answer:

5.45%

Step-by-step explanation:

To find info of a 15 year old male, you look at the Age Group of 14 - 18, beside Male.

The RDA of Iron is given as 11 mg

From a 8 oz glass of grape juice, he gets 0.6 mg.

What percent is 0.6 mg of total 11 mg??

Divide 0.6 by 11 and then multiply by 100 to get the answer. So we have:

$\frac{0.6}{11}=0.0545*100=5.45$

Thus, 5.45% of RDA of iron is provided by an 8 oz glass of grape juice.

6 0

3 years ago

Which numbers round to 3,100 when rounded to the nearest hundred

Furkat [3]

one number that could round to 3 100 when rounded is 3 120

5 0

3 years ago

Anna sells candy apples at her yard sale. She wants to earn more than $40. She sells the apples for $2 each and has earned $26.

densk [106]

Answer:

Step-by-step explanation:

Because if 1 apple=2$ then she need to sell 20 apples she now has 26$ meaning she has sold 13 of them so 26$

She needs 14 more$ remember the rule 1 apple=2$ so if she needs 14 more $ then that means 7 more apples=14$ And there's your answer 7 more apples.

Hope this helps have a great afternoon:)

7 0

1 year ago

44 pounds is equivalent to_____^a0 kilograms.

attashe74 [19]

Answer:

19.504

Step-by-step explanation:

divide the mass value by 2.205

3 0

2 years ago