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3 years ago

Work out the total number of mobile phones sold in the 3 years

Mathematics

1 answer:

svetlana [45]3 years ago

6 0

Answer: your wuestion isn’t specific enough.

Step-by-step explanation:

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Solve for x. round to the nearest hundredth if necessary.

iris [78.8K]

Answer: $x=11.47$

Step-by-step explanation:

Given the angle of 55 degrees, you know that the adjacent side is "x" and the length of the hypotenuse is 20.

Therefore, you need to remember the following identity:

$cos\alpha=\frac{adjacent}{hypotenuse}$

Then, knowing that:

$\alpha=55\°\\adjacent=x\\hypotenuse=20$

You need to substitute these values into $cos\alpha=\frac{adjacent}{hypotenuse}$ :

$cos(55\°)=\frac{x}{20}$

Now, you can solve for "x":

$20*cos(55\°)=x\\x=11.471$

Rounded to the nearest hundreth:

$x=11.47$

6 0

3 years ago

Write expression for the calculation divide 15 Into thirds and subtract from 14 divided in half.

erik [133]

15 into thirds would be 15 divided by three. This would be 5. If you take 14 and divide it in half you get 7. Then subtract 5 from 7 and you get 2. The answer is 2.

8 0

3 years ago

Help plz due in 10min

JulsSmile [24]

Answer:

1.15

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Q. A pharmacist mixes 3 grams of compound with 5,000 milligrams of solution to create a prescription. How many total grams is th

Liula [17]

Answer: 8 grams

Step-by-step explanation:

We have two units of mass: grams and milligrams

The prescription has 3 grams of compound with 5,000 milligrams of solution.

To know how many grams in total there are in the mixture we must convert

5000 milligrams to grams.

By definition in 1 gram there are 1000 mg.

Then we perform the following operation

$5000\ mg * \frac{1\ grams}{1000\ mg}=5\ grams$

Then the total amount of grams in the prescription is:

$5+ 3=8\ grams$

7 0

4 years ago

-9x2+4xy-8y2+6x2-+y2

GaryK [48]

Answer:

4xy-3x^2-9y^2

Step-by-step explanation:

-9x^2+4xy-8y^2+6x^2-y^2

simplify

4xy-3x^2-9y^2

5 0

3 years ago

Work out the total number of mobile phones sold in the 3 years​

Work out the total number of mobile phones sold in the 3 years