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2 years ago

A premature infant is gaining 2.5 ounces a day. At that rate, how many days will it take for him to gain 8 ounces

Mathematics

1 answer:

Ann [662]2 years ago

5 0

Answer:

3.2 days

Step-by-step explanation:

All you have to do is divide 8 by 2.5

8 ÷ 2.5 = 3.2

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7.7.4 Practice: Modeling: Similarity Theorems will give brainliest

Nimfa-mama [501]

Similar triangles may or may not be congruent

The height of the peak is 72 feet
The triangles are similar by AA similarity postulate

<h3>How to determine the similarity statement</h3>

First, we determine the height of the peak using the following equivalent ratios

P B : B M = T F : F M

So, we have:

$PB : 20ft= 6ft : 1ft\ 8in$

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$PB : 240in= 72in: 20in$

Express as fractions

$\frac{PB}{240} = \frac{72}{20}$

Multiply both sides by 240

$PB = \frac{72 * 240}{20}$

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Express as feet

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So, the height of the peak is 72 feet

The ratio also means that the triangles are similar by AA similarity postulate

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1 year ago

If you save 100 dollars a week for 4 years how much money will you have

dezoksy [38]

Answer:

$20,800

Step-by-step explanation:

There are 52 weeks in a year, therefore, do 100 x 52 = $5,200

You earn $5,200 a year, for 4 years so do 5,200 x 4 = $20,800

6 0

1 year ago

Simplify: 2(4x + 8)<br> (X)<br> /h<br> X<br> X

jasenka [17]

Answer:

x = -2

Step-by-step explanation:

2(4x+8)

= 8x+16

8x+16 = 0

-16 -16

8x = -16 (do -16÷8 & get)

x = -2

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2 years ago