3 years ago

What is now the length in meters?

2 answers:

6 0

If you have the area of a rectangle as x2 - 49 your factorised version would be (x-7) and (x+7). Since you cannot have a negative measurement it would 7

Natasha_Volkova [10]3 years ago

5 0

I think length is 7－x.

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A customer pumps $35.40 total in gas and pays with a $50 bill. What is the amount of change the customer should receive?

djverab [1.8K]

$50 - $35.40 = $14.60

8 0

2 years ago

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A ball is released at a height of 16 inches to roll inside a half-cylinder. It rolls to a height of 8 inches on the other side o

Kisachek [45]

Answer: $\frac{1}{2} inch$

Step-by-step explanation: half in is the answer your probably looking for in APEX.

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2 years ago

Can anyone give me a hint or answer this?

RideAnS [48]

Answer:

x=8.5

Step-by-step explanation:

∠AOC=68

∠COD= (2x+5)

∠AOC and ∠COD are complimentary angles. This means that when you add them together you get 90.

∠AOC + ∠COD = 90

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2 years ago

A pharmacist added 50 g of drug to make a total of 200 mL of solution. What is the percentage of drug in the resultant solution?

Bad White [126]

Answer: 25%

Step-by-step explanation:

Given : A pharmacist added 50 g of drug to make a total of 200 mL of solution.

Here, Resultant solution = 200 mL

Amount of drug = 50 g

We know that 1 gram = 1 ml

So, we can say the amount of drug = 50 ml

Now, the percentage of drug in the resultant solution:-

$\dfrac{50}{200}\times100=25\%$

Hence, the percentage of drug in the resultant solution= 25%

6 0

2 years ago

A circle has a circumference of 1133.54 units. What is the diameter of the circle?

vovangra [49]

Answer:

The diameter is 361 units

Step-by-step explanation:

The formula for circumference of a circle is given by

C = pi *d

We know the circumference = 1133.54 and pi is approximated by 3.14

1133.54 = 3.14 *d

Divide each side by 3.14

1133.54/3.14 = d*3.14/3.14

361=d

The diameter is 361 units

4 0

2 years ago