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gulaghasi [49]
3 years ago
5

Rosa bought d drawings to an art show. After selling 17 of them, she had 22 left

Mathematics
2 answers:
dolphi86 [110]3 years ago
6 0

17 + 22 = 39 <==== this is d

Evgen [1.6K]3 years ago
5 0

39 d would equal 39 you have to find d so you would just add 17 plus 22

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I need a little help please
alexandr402 [8]

Answer:

Answer is B I think? :)

Step-by-step explanation:

7 0
3 years ago
18 questions answered correctly on a test. that is 75% of the total number of questions. How many questions were on the test?
adelina 88 [10]

Answer:

24 = questions on test

Step-by-step explanation:

Questions answered correctly = questions on test * percent answered correctly


We know that she answered 18 correctly and that 75% were answered correctly

Substitute this information into the equation

18 = questions on test *.75

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18/.75 = questions on test *.75/.75

24 = questions on test

7 0
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If f(x)=x2+10sinx, show that there is a number c such that f(c)=1000.
gayaneshka [121]
F(x) is continuous for all x.

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Now, show at another point f(x) - 1000 is positive, and hence, there would be root between 30 and such point.

Let's pick 40.
At x = 40, f(40) - 1000 = 1600 + 10sin(40) - 1000 ≥ 0

Since f(x) - 1000 is continuous, there lies a root between 30 and 40, and hence, 30 ≤ c ≤ 40
7 0
3 years ago
I really need help on this problem!!!
AURORKA [14]

Answer:

Step-by-step explanation:

1/4 + 5/8

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6 0
3 years ago
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stiv31 [10]

Answer:

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Step-by-step explanation:

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Distribution:

Total of 500 checks.

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50 out of 500. So

p = \frac{50}{500} = 0.1

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b) What is the probability of a tip of up to $50?

200 out of 500. So

p = \frac{200}{500} = 0.4

0.4 = 40% probability of a tip of up to $50.

7 0
3 years ago
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