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tekilochka [14]
2 years ago
15

If

Mathematics
1 answer:
swat322 years ago
5 0

Answer:

55a=

step-by-step explanation:

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svetlana [45]

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radius=7

diameter =2×radius

d=2×7

diameter=14

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3 years ago
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2x² – xy - 15y2<br> How to factor by grouping
dsp73

Answer:

(2x + 5y) (x - 3y)

Step-by-step explanation:

Hope this helps!

6 0
2 years ago
Two factories I and II produce phones for brand ABC. Factory I produces 60% of all ABC phones, and factory II produces 40%. 10%
denpristay [2]

Answer:

0.3721 or 37.21%

Step-by-step explanation:

P(I) = 0.60; P(II) = 0.40;

P(not defective I) = 0.90; P(not defective II) = 0.80

The probability that the phone came from factory II, given that is not defective, is determined by the probability of a phone from factory II not being defective divided by the probability of a phone not being defective.

P(II|not) = \frac{P(II)*P(not_{II})}{P(II)*P(not_{II})+P(I)*P(not_{I})}\\P(II|not) = \frac{0.40*0.80}{0.40*0.80+0.60*0.90}\\ P(II|not) =0.3721 = 37.21\%

The probability is 0.3721 or 37.21%.

4 0
3 years ago
Answer fast Use the net to determine the total surface area
choli [55]
Answers is 1000 in. Hope this helped
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How many kilometres on the ground is represented by 9 cm on the map?
Aloiza [94]

Answer:

22500

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You have to multiply 9 by 25000.

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