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Brrunno [24]
2 years ago
10

The ratio of hydrogen to oxygen in a plant sample is 18:12. The sample has 42 units of oxygen.

Mathematics
1 answer:
larisa86 [58]2 years ago
3 0

Answer:63

Step-by-step explanation: H:0=18:12=1.5:1

1.5:1=63:42

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Here is Triangle A. Lin created a scaled copy of Triangle A with an area of 72 square units. a. How many times larger is the are
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Answer:

The answer is below

Step-by-step explanation:

a) Triangle A is attached in the image below.

The base of triangle A is 3 units and its height is 3 units. The area of a triangle  is given as:

Area = (1/2) × base × height

Area of triangle A = (1/2) × base × height = (1/2) × 3 × 3 = 4.5 unit²

Area of the scaled copy = 72 unit²

Ratio of area = Area of the scaled copy / Area of triangle A = 72 unit² / 4.5 unit² = 16

Hence the scaled copy area is 16 times larger than that of triangle A.

b) For the scaled copy:

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Since the base and height are equal

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base = 12, also height = 12

Base of scaled copy = 12 = 4 × base of triangle A

Therefore the scale factor used is 4

7 0
3 years ago
G/3 + 11 = 25 please help​
pochemuha

Answer: g = 42

Step-by-step explanation:

g/3 + 11 = 25

First, subtract 11 to both sides

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Then, multiply 3 to both sides to get rid of the fraction

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8 0
3 years ago
Find the value of x, rounded to the nearest tenth
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Answer:

90+35+x=180

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6 0
3 years ago
Read 2 more answers
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