Wtite an expession that uses patial products to muliply 8x4

Mathematics

1 answer:

Alenkinab [10]4 years ago

6 0

32 is my expression i think thats the correct answer

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Which statement is true about the product 3(7square root of 4 + 2square root of 9? It is rational and equal to 60. It is rationa

kogti [31]

It is rational, since actually

$\sqrt{4}=2,\quad\sqrt{9}=3$

so, the expression simply beco $3(7\sqrt{4} + 2\sqrt{9})=3(7\cdot2+2\cdot 3)=3(14+6)=3\cdot 20 = 60$

6 0

4 years ago

Simone has 5 employees in her flower shop. Each employee works 6 4⁄15 hours per day. How many hours, in total, do the 5 employee

satela [25.4K]

Answer:

94/3 = 31.333

Step-by-step explanation:

The total hours worked = the amount of employees * hours worked

First I converted the mixed fraction 6 $\frac{4}{15}$ into $\frac{94}{15}$

Then I multiplied it by the amount of employees.

$\frac{94}{15}$ * 5 = $\frac{94}{3}$

= 31.33333

4 0

3 years ago

Which is the best approximation for the measure of angle ABC?

Sliva [168]

Answer:

The best approximation for the measure of angle ABC is:

Third option: 58.3°

Step-by-step explanation:

This is a right triangle, because it has an angle of 90° (right angle) in vertex C, and we need one of the acute angles "x". We have the side opposite to the angle of 90° (right angle), this is the longest side in the right triangle, the Hypotenuse: H=20 cm

We have one of the legs (the sides form the right angle), and this leg is the Adjacent leg: A=10.5 cm to the angle "x".

To find the angle "x" we must use the trigonometric function that relates its adjacent leg (A) with the hypotenuse (H), and this function is cosine:

cos x = Adjacent Leg / Hypotenuse

cos x = A / H

Replacing the known values:

cos x = 10.5 cm / 20 cm

cos x = 0.525

Solving for x:

$x=cos^{-1} 0.525\\ x=58.33175678^{\°}$