MATHEMATICS HIGH SCHOOL

Apple + Orange = $20Apple is twice the price of the orange
How much does the apple cost?

Answers

Answer 1
Answer: It costs 40 dollars bcz twhce the number of 20 is 40 its like multiple by 2

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Fourteen of the 100 digital video recorders​ (DVRs) in an inventory are known to be defective. What is the probability you randomly select an item that is not​ defective?

Answers

What is the probability?

  • The probability is a measure of the likelihood of an event to occur.
  • P(A) is the probability of an event, n(A) is the number of favorable outcomes and n(S) is the total number of events in the sample space.
  • The probability that a randomly selected item is not defective is P(A) = n(A)/n(S).

We are given that a total of 100 digital video recorders​ (DVRs) out of these 14 are defective.

The probability of randomlyselect an item that is defective,

P(A) = n(A)/n(S)

P(A) = 14/100

P(A) = 7/50

The probability of randomlyselecting an item that is not defective,

P(A) = 1-(7/50)

P(A) = (50-7)/50

P(A) = 43/50

Hence, the probability of randomly selecting an item that is not​ defective is 43/50.

Learn more about probability at brainly.com/question/10720683

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P(non-defective) = 43/50
First, you subtract 14 from 100 to get the number of non-defective video recorders.
Then, you reduce the fraction of 86/100 to 43/50.

It is 60 Celsius on the crust of a volcano. What is this number in Kelvin?

Answers

Answer:

333.15 Kelvin (K)

Step-by-step explanation:

When you convert from Celsius to Kelvin, you add 273.15

60 C + 273.15 = 333.15 K

So, that is the answer. Hope this helps!

Answer:

333.15 Kelvin (333 rounded)

Step-by-step explanation:

You must add 273.15.

60 + 273.15 = 333.15.

The answer is 333.15 (333 rounded.)

Calculate. 7.75% of $9,000 =

Answers

Answer:

7.75\%\text{ of }\$9,000=\$697.50

Step-by-step explanation:

We are asked to calculate 7.75% of $9,000.

To calculate 7.75% of $9,000, we will divide 7.75 by 100 and then multiply by $9,000 as:

7.75\%\text{ of }\$9,000=(7.75)/(100)*\$9,000

7.75\%\text{ of }\$9,000=7.75*\$90

7.75\%\text{ of }\$9,000=\$697.50

Therefore, 7.75% of $9,000 equals $697.50.
697.5

Hope this helps!

Can anyone explain how to differentiate this ? (2x^2+3)sin5x

Answers

Hello,

(u*v)'=u'v+uv'
u=2x²+3 ==> u'=4x
v=sin 5x ==>v'=cos 5x *5

((2x²+3 sin (5x))'=4x* sin (5x) +(2x²+3)*cos (5x) * 5

Which teacher exhibited the most variable year to year performance over this 5 year span?

Answers

I do not have the graph that you are referencing from this question to, but I can help you get led to the right answer. If the teacher exhibits the most variable year to year performance over a 5 year span, then the graph must show unstable fluctuating of figures. Those who are least variable would have a steady line going up or down or maybe even just straight. 

Designer Dolls, Inc. found that the number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll. The company sold 5200 dolls when $26,000 was spent on advertising and the price of a doll was set at $30. Determine the number of dolls sold when the amount spent on advertising is increased to $52,000. Round to the nearest whole number.

Answers

Answer:

The number of dolls sold 10,400

Step-by-step explanation:

Given:  The number N of dolls sold varies directly with their advertising budget A and inversely with the price P of each doll.

N = k(A/P), where k is the constant.

Now we have to find k.

Given: N = 5200, A = 26,000 and P = 30

5200 = k (26000/30)

5200 = k(866.67)

k = 5.99, when we round off we get k = 6

Now let's find the number of dolls sold when the ad amount increase to $52,000

Now plug k = 6, A = 52000 and p = 30

N = 6(52000/30)

N = (52000/5)

N = 10.400

Therefore, the number of dolls sold 10,400

Hope this will helpful.

Thank you.
I think 104,000 is the answer because when 26,000 is double it's 52,000 so I doubled 52,000 and 104,000 is what I got.
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