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2 years ago

Someone answer these maths questions for me!! I need help ASAP!!!!!! 100 points!!!

Mathematics

2 answers:

Diano4ka-milaya [45]2 years ago

5 0

Answer:

Sorry

Step-by-step explanation:

faltersainse [42]2 years ago

4 0

Answer:

Why do we have to get homework???sorry for not answering ur equations I don't know em as yet

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For every 6 kg of a child's weight, pediatricians prescribe 7 mg of fever reducer. If Greg weighs 42 kg, how many milligrams

olya-2409 [2.1K]

Answer:

49mg

Step-by-step explanation:

let's call every 7 mg of fever reducer a "dose"

Divide the weight of Greg by the weight per "dose"

42/6 = 7 doses

Each "dose" is 7mg. Multiply the number of doses by 7mg.

7 dose X 7mg = 49mg

Therefore, if Greg weighs 42kg, the pediatrician will prescribe 49mg of fever reducer.

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3 years ago

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If 2 - 4(y + 1) = 2y + 16, what is the value of y?<br> Show all work, please.

VladimirAG [237]

Answer:

y = -3

Step-by-step explanation:

2 - 4(y + 1) = 2y + 16

2 - 4y - 4 = 2y + 16

2 - 4 = 6y + 16

- 2 = 6y + 16

- 18 = 6y

-3 = y

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3 years ago

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Which number is irrational?<br><br> A.0.3 B. C.0.777... D.0.454545…

Savatey [412]

Each of A, C, and D are rational, so presumably B is the answer here.

A is rational, since $10\times0.3=3$ , so $0.3=\dfrac3{10}$ .

C is also rational. If $x=0.777\ldots$ , then $10x=7.777\ldots$ . This would mean $10x-x=9x=7$ , and so $x=\dfrac79$ .

D is rational by a similar argument. If $x=0.4545\ldots$ , then $100x=45.4545\ldots$ . So, $100x-x=99x=45$ , which means $x=\dfrac{45}{99}=\dfrac5{11}$ .

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3 years ago

ASAP<br> -will mark brianist

Rom4ik [11]

Answer:

Step-by-step explanation:

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3 years ago

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A horse is tied to a 20ft long rope. The horse wants some oaks from an oak tree. The oak tree is 30ft away. The horse gets the o

Annette [7]

Ah... this riddle is good. It took me several seconds. The riddle doesn't say anything about where the horse is tied to. The riddle makes us automatically assume that the horse was tied down to a post that is 20ft from the tree, but the horse could be tied to the tree itself.

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3 years ago