4 years ago

The price of a fan is $15. The price is 27% lower than last week.

Mathematics

1 answer:

liraira [26]4 years ago

7 0

Comes down to exactly 10.95

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A line that is not parallel nor perpendicular to y=2/4x+1

DENIUS [597]

Answer:

y=2x+1

Step-by-step explanation:

Parallel = gradients are the same

Example: y=2/4x+5

Perpendicular = gradients are the inverse of each other

Example: y= -4/2x+1

Any equation would be correct unless the gradient is 2/4 or -4/2

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3 years ago

3x^2 + 35x + 50 factored

Liula [17]

When you factor this problem you get:

(3x+5)(x+10)

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3 years ago

1/6 5/6 < > = or none

Rudik [331]

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3 years ago

A scientist estimated that a mixture would need 4 milliliters of a chemical to balance. The actual amount needed was 7 millilite

Butoxors [25]

42.86% error was in the scientist's estimation.

Step-by-step explanation:

Given data;

Approx amount = 4 ml

Exact amount needed = 7 ml

Percentage error = $\frac{|Approx-Exact|}{Exact}*100$

$Percentage\ error=\frac{|4-7|}{7}*100\\Percentage\ error=\frac{|-3|}{7}*100\\Percentage\ error=\frac{3}{7}*100\\\\Percentage\ error=\frac{300}{7}\\Percentage\ error= 42.86\%$

42.86% error was in the scientist's estimation.

Keywords: error, percentage

Learn more about percentages at:

#LearnwithBrainly

6 0

3 years ago

Read 2 more answers

I NEED THIS ANSWER ASAP!!

Greeley [361]

A: 0 3 4 5 5 6 7 9 9 20
3 3 5 5 6 8 8 9 9

B: No, they are not symmetric

4 0

3 years ago