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mrs_skeptik [129]
3 years ago
5

Will give brainliest

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

a

Step-by-step explanation:

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3. The weekly sales of a magazine increased
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b. 20%

Step-by-step explanation:

20% is the am mount of increase

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Felicia brought three bottles of apple juice and needs to split it between evenly into two cups. What fraction of a bottle will
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3/2

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How do I solve this problem
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What does the rest of the problem say?

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Are these ratios equivalent? 3.5: 42 and 2.5:32<br><br> Yes or no
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No . they are not equivalent

solution

3.5/42 = 35/420 = 7/84 = 1/12

2.5/32 = 25/320 = 5/64

1/12 ≠ 5/64

8 0
3 years ago
Find a vector equation and parametric equations for the line The line through the point (2, 2.4, 3.5) and parallel to the vector
BartSMP [9]

Answer:

The vector equation

r = (2 + 3t)i+ (2.4 + 2t)j+ (3.5   - t)k

The parametric equation

x = 2 + 3t\\y = 2.4 + 2t\\z = 3.5-t

Step-by-step explanation:

Given

Point  = (2,2.4,3.5)

Vector = 3i + 2j - k

Required

The vector equation

First, we calculate the position vector of the point.

This is represented as:

r_0 = 2i + 2.4j + 3.5k

The vector equation is then calculated as:

r = r_o + t * Vector

r = 2i + 2.4j + 3.5k + t * (3i + 2j - k)

Open bracket

r = 2i + 2.4j + 3.5k + 3ti + 2tj - tk

Collect like terms

r = 2i + 3ti+ 2.4j + 2tj+ 3.5k   - tk

Factorize

r = (2 + 3t)i+ (2.4 + 2t)j+ (3.5   - t)k

The parametric equation is represented as:

x = x_0 + at\\y = y_0 + bt\\z = z_0 + ct

Where

r = (x_0 + at)i +(y_0 + bt)j+(z_0 + ct)k

By comparison:

x = 2 + 3t\\y = 2.4 + 2t\\z = 3.5-t

4 0
3 years ago
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