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Salsk061 [2.6K]
3 years ago
12

Find x. (The figure is not drawn to scale.)

Mathematics
1 answer:
ladessa [460]3 years ago
7 0
23 bhfhcjvufhfvufyfdydydculcho
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Find 3 pairs that satisfy the function: y = -2x
KengaRu [80]

Answer:

(-1,0) (-2, 4)( -3,6) -4,8)Step-by-step explanation:

8 0
3 years ago
What is more 4/5 or 0.71 and what is more 1.2 or 1 and 2/9
Westkost [7]
Which is more 4/5 or 0.71? Because decimals are usually easier to read, convert the 4/5 to a decimal. To do this, divide the numerator by the denominator. 4 / 5 = 0.8. 

0.8 is bigger than 0.71. So, 4/5 is definitely bigger than 0.71.

But what about 1.2 and 1 2/9? Again convert 1 2/9 to a decimal.

2/9 = 1.222...

And 1.222 repeating is bigger than 1.2
8 0
3 years ago
A hot air balloon can hold up to 300 pounds of weight. The balloon's pilot weighs 140 pounds. How many 20-pound bags of sand (b)
Orlov [11]

Answer:

8, 5, 0 (B, C, D)

Step-by-step explanation:

okay so in order to solve this, first you would do 300-140 since the limit is 300 and 140 is already occupied. 300-140=160. Next, to find the number of 20-pound bags that can fit, you would do 160/20 or just 20b<_160 (<_ is less than or equal to). b<_ 8, therefore you could have anything ranging from 0b-8b. You cannot have a negative number of bags, that is just not possible, and with 10 bags, you surpass the weight limit by 40 pounds.

7 0
3 years ago
(1,9) and (6, 34)<br> Equation:
Sholpan [36]

Answer:

y= 5x+4

Step-by-step explanation:

find the slope 34-9/6-1 = 25/5 = 5

then use y-y1= m (x-x1)

y- 9 = 5(x-1)

y-9 = 5x -5

y = 5x +4

5 0
3 years ago
Almost all medical schools in the United States require students to take the Medical College Admission Test (MCAT). To estimate
yKpoI14uk [10]

Answer:

a) 0.5588

b) 0.9984

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 24

Standard Deviation, σ = 6.4

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}        

a) P(score between 20 and 30)

P(20 \leq x \leq 30) = P(\displaystyle\frac{20 - 24}{6.4} \leq z \leq \displaystyle\frac{30-24}{6.4}) = P(-0.62 \leq z \leq 0.94)\\\\= P(z \leq 0.94) - P(z < -0.62)\\= 0.8264 - 0.2676 = 0.5588 = 55.88\%

P(20 \leq x \leq 30) = 55.88\%

b) Sampling distribution

Sample size, n = 22

The sample will follow a normal distribution with mean 24 and standard deviation,

s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{6.4}{\sqrt{22}} =1.36

c) P(mean score of sample is between 20 and 30)

P(20 \leq x \leq 30) = P(\displaystyle\frac{20 - 24}{1.36} \leq z \leq \displaystyle\frac{30-24}{1.36}) = P(-2.94 \leq z \leq 4.41)\\\\= P(z \leq 4.41) - P(z < -2.94)\\= 1 - 0.0016 = 0.9984 = 99.84\%

P(20 \leq x \leq 30) =99.84\%

5 0
4 years ago
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