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11111nata11111 [884]
3 years ago
15

What's the answer ??????

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
6 0
I hope this helps you


u^2=s^2+t^2



this equation Pythagorean


and this triangle is right triangle


m (SUT)=90
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Please answer ASAP *As Soon As Possible* (Look at the picture)
Liono4ka [1.6K]

Answer: 6

Step-by-step explanation: as we already know, 45 is half of 90. So that means he is mowing 2 lawns in an hour. So in 6 hours he mows twice the amount.

6 0
3 years ago
Can someone please give me the (Answers) to this? ... please ...
Juliette [100K]

Answer:

1. Im gonna say D. 126

2. 1/2 (can't see the answer choices clearly)

3. 60º

4. 9

5. D

Step-by-step explanation:

7 0
2 years ago
The determinants of aggregate demand: A. explain why the aggregate demand curve is downsloping. B. explain shifts in the aggrega
murzikaleks [220]

Answer:

Letter b is correct!

explanation:

The letter b is correct because it is the demand determinants that explain the changes in the aggregate demand curve. This is because the most important determinants of demand such as interest rate, Federal Deficit, expectations and money supply are not constant, so a change in any of these determinants will also affect the change in the aggregate demand curve.

8 0
3 years ago
How many 2/3 are in 8/9​
Mila [183]

Answer:

3/4 or 0.75 decimal

Step-by-step explanation:

Simplify the following:

(2/3)/(8/9)

Hint: | Write (2/3)/(8/9) as a single fraction.

Multiply the numerator by the reciprocal of the denominator, (2/3)/(8/9) = 2/3×9/8:

(2×9)/(3×8)

Hint: | In (2×9)/(3×8), divide 9 in the numerator by 3 in the denominator.

9/3 = (3×3)/3 = 3:

(2×3)/8

Hint: | In (2×3)/8, divide 8 in the denominator by 2 in the numerator.

2/8 = 2/(2×4) = 1/4:

Answer: 3/4

6 0
3 years ago
Read 2 more answers
The average lifetime of a certain new cell phone is 3.4 years. The manufacturer will replace any cell phone failing within three
melisa1 [442]

Answer:

68% of these phones last 3.87 years.

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

f(x) = \mu e^{-\mu x}

In which \mu = \frac{1}{m} is the decay parameter.

The probability that x is lower or equal to a is given by:

P(X \leq x) = \int\limits^a_0 {f(x)} \, dx

Which has the following solution:

P(X \leq x) = 1 - e^{-\mu x}

The probability of finding a value higher than x is:

P(X > x) = 1 - P(X \leq x) = 1 - (1 - e^{-\mu x}) = e^{-\mu x}

The average lifetime of a certain new cell phone is 3.4 years.

This means that m = 3.4, \mu = \frac{1}{3.4} = 0.2941

So

P(X \leq x) = 1 - e^{-0.2941x}

68% of these phones last how long (in years)?

This is x for which:

P(X \leq x) = 0.68

P(X \leq x) = 1 - e^{-0.2941x}

Then

0.68 = 1 - e^{-0.2941x}

e{-0.2941x} = 0.32

\ln{e{-0.2941x}} = \ln{0.32}

-0.2941x = \ln{0.32}

x = -\frac{\ln{0.32}}{0.2941}

x = 3.87

68% of these phones last 3.87 years.

4 0
3 years ago
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