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uysha [10]
2 years ago
14

Can someone give me the answers to this

Mathematics
1 answer:
-BARSIC- [3]2 years ago
7 0
Law of cosines is
a^2= b^2+c^2-2bc*cosA
You might be interested in
A jug of orange juice is made by mixing 21 juice with 51 water will be need for 61 juice ?​
Ivenika [448]

Answer:

Step-by-step explanation:

No there is no need for 61 because you’ll be at max capacity

5 0
3 years ago
Help me I forgot everything from last year
irakobra [83]

Answer:

17/24

Step-by-step explanation:

With unlike denominators find the Least Common Denominator (LCD)

LCD = 24

Multiplying numerators and denominators to get the LCD in all fraction denominators

= 2×4/6×4 + 3×3/8×3

Then rewriting the equation with the equivalent fractions

= 8/24 + 9/24

With like denominators we can operate on just the numerators

= 8/24 + 9/24

= 17/24

3 0
3 years ago
Assume that when adults with smartphones are randomly​ selected, 61% use them in meetings or classes. If 8 adult smartphone user
podryga [215]

Answer:

0.1147

Step-by-step explanation:

When adults with smartphones are randomly​ selected, 61% use them in meetings or classes, then

  • the probability of using the smartphone is p=0.61;
  • the probability of not using the smartphone is q=1-p=1-0.61=0.39.

If 8 adult smartphone users are randomly​ selected, the probability that exactly 3 of them use their smartphones in meetings or classes can be calculated using binomial distribution as

C^8_3\cdot p^3\cdot q^{8-3}=C^8_3\cdot (0.61)^3\cdot (0.39)^5

Note that

C^8_3=\dfrac{8!}{3!(8-3)!}=\dfrac{5!\cdot 6\cdot 7\cdot 8}{2\cdot 3\cdot 5!}=\dfrac{6\cdot 7\cdot 8}{2\cdot 3}=7\cdot 8=56,

then the probabilty is

56\cdot (0.61)^3\cdot (0.39)^5\approx 0.1147

8 0
3 years ago
Can someone help me please thank you:)
zimovet [89]

Answer: bcde

Step-by-step explanation:

The ones that are greater than 1. 1*0.75= 7.5, which is less than the original 10

3 0
3 years ago
3) You order two pizzas for you and your friends. The total comes to $24.50. The
stellarik [79]
27.32 you divide 24.50 and 11.5. Then add what you get from that to 24.50
3 0
3 years ago
Read 2 more answers
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