3 years ago

Write an expression that is equal to 3 × 2 1/4

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

5 0

Convert the mixed number 2 1/4 into an improper fraction: 9/4.

Then multiply this 9/4 by 3: 27/4, or 6 3/4.

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100 POINTS

dedylja [7]

Y= 2x-3
the slope of the line is 2, and b, the y-intercept, is -3

5 0

3 years ago

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A machine produces 576 units in 18 hours at this rate how many will it produce in 28 hours

olga2289 [7]

Answer: 896

Step-by-step explanation:

Let's use a rule of three here.

$\frac{576}{x}=\frac{18}{28}$

Solve for x;

$x=\frac{576*28}{18}$

$x=896$

4 0

3 years ago

Simplify Sinx + cosx/ cos²x - sin²x

bonufazy [111]

$\dfrac{\sin x + \cos x}{\cos^2 x - \sin^2 x}\\ \\\\=\dfrac{\sin x + \cos x}{(\cos x + \sin x )\\\\(\cos x - \sin x)}\\\\\\=\dfrac{1}{\cos x - \sin x}$

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1 year ago

1. Name of the missing segment.<br> 2.Length of the missing segment.

allochka39001 [22]

Answer:

Name: FE

Length: 13

Step-by-step explanation:

The total length is 34, so you would do 34-21, which equals 13.

6 0

3 years ago

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Simplify the following surd expressions.

Brilliant_brown [7]

Answer:

A=3√5

B=11√7

Step-by-step explanation:

5√5-2√5

5-2√5

3√5

B) 8√7+3√7

8+3√7

11√7

4 0

3 years ago