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2 years ago

Adele is 5 years older than Timothy. In three years, Timothy will be of Adele’s age. What is Adele’s current age?

1 answer:

4 0

Answer = 12

Explanation:
Let x be Timothy’s present age.
The, Adele’s present age = x+5

After 3 years, Timothy’s age = x+3
Adele’s age = x+5+3 = x+8

According to the question, we have

x + 3 = 2/3 (x+8)

3(x + 3) = 2x + 16

3x + 9 = 2x + 16

3x - 2x = 19 - 9

x = 7

Therefore, Timothy’s current age is 7 years and Adele’s current age is 12 years

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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%.

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2 years ago

The coordinates of the endpoints of AB are A(−2, −2) and B(1, 3). Which measurement is closest to the length of AB in units?

nydimaria [60]

Answer:

Step-by-step explanation:

this person got it wrong, if your on USATESTPREP its 5,8 your welcome$$$

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2 years ago

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Find the volume of the compound shape.

jeyben [28]

<h3>Given:</h3>

Hemisphere ×2 or sphere
Cylinder

<h3>Solution:</h3><h3>Volume of the sphere:</h3>

$v = \frac{4}{3} \pi {r}^{3}$

$v = \frac{4}{3} \times \pi \times {2}^{3}$

$v = 33.51 \: {m}^{3}$

<h3>Volume of the cylinder:</h3>

$v = \pi {r}^{2} h$

$v = \pi \times {2}^{2} \times 6$

$v = 75.40 \: {m}^{3}$

<h3>Total volume:</h3>

$v = 75.40 + 33.51$

$v = 108.91 \: {m}^{3}$

Hence, the volume of the given compound shape is 108.91 cubic meters.

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1 year ago

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Willow is 63 inches tall. Her brother jayden is 6 feet 5 inches tall. How many inxhes twller is jayden?

Shalnov [3]

Willow = 63in

Jayder = 6ft 5in

1 foot equals 12 inches

6x12=72

So 72 inches plus 5 inches equals 77

So now you subtract Willows height from Jaydens height

77 - 63 = 14

Jayden is 14 inches taller

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2 years ago

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Evaluate the limits, if they exist. If not, write DNE.

Blizzard [7]

A) 2
B) DNE
C) -2

I hope this answers your question but I’m not so sure of my answer!

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2 years ago

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