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r-ruslan [8.4K]
3 years ago
13

What is the length of side a? Round to the nearest tenth of an inch. Enter your answer in the box.

Mathematics
1 answer:
Wittaler [7]3 years ago
5 0

9514 1404 393

Answer:

  14.4

Step-by-step explanation:

The Pythagorean theorem tells you ...

  7² +a² = 16²

  a² = 256 -49

  a = √207

  a ≈ 14.4

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Im so confused at part b) is not 0.98 and i dont know what is it
Angelina_Jolie [31]

Answer:

0.294

Step-by-step explanation:

The number of possible outcomes for 2 consecutive days is  2 (Friday, Saturday and Saturday,Sunday).

Prob( Friday, Saturday  has rain) = 0.70*0.70* 0.30) = 0.147 (No rain Sunday)

Prob( Saturday/Sunday  has rain) = 0.30*0.70*0.7) = 0.147  (No rain Friday)

Required Probability = 2*0.147

= 0.294.

8 0
3 years ago
Write an equation in slope-intercept form that represents the situation:
BartSMP [9]

Answer:

<h2>          y = 3.5x + 15</h2>

Step-by-step explanation:

Number of months is x, and number of pairs of shoes after each month is y.

7 new pairs of shoes every 2 months means that after each month:

y = 7/2 x

We need to add the 15 pairs from start.

y = 3.5x + 15

6 0
3 years ago
The probability distribution for a<br> random variable x is given in the table.
Hoochie [10]

Answer: 0.79

Step-by-step explanation:

I will suppose that this is not a continuos probability, as the individual probabilites add up to 100%.

If you want to obtain the probability that x ≤ 0, then you need to add the probability for the cases x= 0, x = -1, x = -2 .... etc

This is:

x = 0, p = .16

x = -2, p = .33

x = -3, p = .13

x = -5, p = .17

Then, the probability where x takes a negative value or zero {-5, -3, -2, 0} is:

P = 0.16 + 0.33 + 0.13 + 0.17 = 0.79

7 0
3 years ago
6 Petra wants to buy an electronic reader that costs $160.75 including tax. She has saved $34.75 SO
nalin [4]

Answer:

Petra would need to save for 12 weeks to get 126

126+34.75=160.75

7 0
2 years ago
469.4 \62 estimate the quotient
bulgar [2K]

469.4/62=7.57

that is the answer

7 0
3 years ago
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