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dimaraw [331]
3 years ago
14

WILL MARK BRAINLIEST One number is 0.9 of another number. Their sum is 0.038. Find each number.

Mathematics
1 answer:
Bumek [7]3 years ago
7 0

Answer:

A) x = .9y

B) x + .9y = .038

Substituting A) into B)

.9y + .9y = .038

1.8y = .038

y = .038 / 1.8

y = 0.0211111111

From equation A)

x = .038 -.9*.02111111111111111111111

x = .038 -.019

x = .019

CHECK

x * .9 = .019

.019 + .9 * .021111111111111 = .019 + .019 = .038

Step-by-step explanation:

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Which graph shows y=1/2⌈x⌉?
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The correct answer is option B which is the graph that represents the equation y = (1/2)x will be the second option in the figure. At every value of y, the value of x is double.

<h3>What is a graph?</h3>

A graph is the representation of the data on the vertical and horizontal coordinates so we can see the trend of the data.

The graph of the equation y =1/2x is represented in the answer below we can see in the graph that at every value of y the value of x is double for example if we put y = 1 then the value of x will be 2.

y = 1/2 x

at x = 2

y = 1/2 x 2

x = 1

Therefore the correct answer is option B which is the graph that represents the equation y = (1/2)x will be the second option in the figure. At every value of y, the value of x is double.

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8 0
2 years ago
What is special about standard form of a polynomial?
xxMikexx [17]

Answer:

When a polynomial is in standard form, the value of each exponent is less than the one before it. It is only in standard form when this is true.


7 0
4 years ago
You cut a piece of paper in half to get 1/4 of the paper. You repeat this four more times.
faust18 [17]

Answer:

The answer is 1/64

Step-by-step explanation:

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3 0
4 years ago
if the recommended daily allowance for vitamin c is 60 mg per day and there are 70 mg of vitamin C per 100 g orange, how many 3.
noname [10]

Answer: 7

Step-by-step explanation:

Given : The recommended daily allowance for vitamin c is 60 mg per day .

Then, for one whole week , the recommended allowance for vitamin c will be :-

7\times60=420\text{ mg}

Also, there are 70 mg of vitamin C per 100 g orange.

1 g = 1000 ml

The proportion of Vitamin C in 100 g = \dfrac{70}{100000}=0.0007

1 oz =28.3495 grams

Then, 3\ oz= 3\times28.3495=85.0485 \text{ gm}=85048.5\ mg

Then, amount of vitamin C in 85048.5 mg = 0.0007\times85048.5=59.53395\approx59.53\ mg

Then, the number of oranges have to eat each week to meet this requirement= \dfrac{420}{59.53}\approx7

Hence,  about 7 oranges you would have to eat each week to meet this requirement.

8 0
4 years ago
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