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3 years ago

Hertford Juniors is a basketball team.

Mathematics

1 answer:

Hoochie [10]3 years ago

8 0

The team scored 13 points in their 11th game.

The mean is the arithmetic average of a set of given numbers.

Let x represent the 11 score and a represent the sum of the first ten game points. Hence:

a/10 = 35

a = 350

After the 11th game the mean was 33, hence:

(a + x)/11 = 33

a + x = 363

x = 363 - a = 363 - 350

x = 13

The team scored 13 points in their 11th game.

Find out more on Mean at: brainly.com/question/1136789

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Maria will take two books with her on a trip. Suppose that the probability that she will like book 1 is .6, the probabilitythats

morpeh [17]

Answer:

0.25 is the required probability.

Step-by-step explanation:

We are given the following in the question:

Probability that like book 1 = 0.6

$P(1) = 0.6$

Probability that like book 2 = 0.5

$P(2) = 0.5$

Probability that Maria likes both the books = 0.4

$P(1\cap 2) = 0.4$

We have to find the conditional probability that she will like book 2 given that she did not like book 1.

Thus, we have to evaluate:

$P(2|1') = \dfrac{P(2\cap 1')}{P(1')} = \dfrac{P(2)-P(1\cap 2)}{1-P(1)}\\\\P(2|1') =\dfrac{0.5-0.4}{1-0.6} = 0.25$

0.25 is the conditional probability that Maria will like book 2 given that she did not like book 1.

4 0

4 years ago

25 POINTS. Radar used microwaved yo check the speed of cars. If a speed of the microwaves is 2 000 000 m/ s and the wavelength i

Virty [35]

Answer:

57971014.49 Hz or 5.79 * 10^7 Hz

Step-by-step explanation:

Given that:

Speed of microwave (v) = 2,000,000 m/s

Wavelength, λ = 0.0345 m

Frequency :?

Using the relation :

v = fλ

f = v / λ

f = 2,000,000 / 0.0345

f = 57971014.49 Hz

6 0

3 years ago

15 POINTS

AnnZ [28]

Answer:

Option(D)

Step-by-step explanation:

Diameter of the Sun (S) = 1.4 × 10⁶ km

Diameter of a planet mars (M) = 7000 km

≈ 7.0 × 10³ km

Ratio of the diameter of the Sun to the diameter of Mars

= $\frac{S}{M}$

= $\frac{1.4\times 10^{6}}{7.0\times 10^{3}}$

= $0.2\times 10^{6-3}$

= $0.2\times 10^3$

= $2\times 10^2$

Option (D) will be the correct option.

5 0

3 years ago

The first- and second-year enrollment values for a technical school are shown in the table below: Enrollment at a Technical Scho

Lunna [17]

Answer:

x = 2010

Step-by-step explanation:

It is difficult separating and organizing the data. The best I can see is that the question is asking what is the value of x to make f(x) = t(x) true. x = 2010 is a year in which enrollment was the same, 740, in both f and t.

3 0

2 years ago

Find the perimeter and area of the figure to the nearest hundredth use 3.14 for pi.

ZanzabumX [31]

Answer:

Perimeter = 36.84 ft

Area = = 64.26 ft²

Step-by-step explanation:

✔️Perimeter of the figure = the length of the surrounding border the rectangle + surrounding border of circle

Length for surrounding border of the rectangle = 3 + 3 + 3 + 3 + 3 + 3 = 18 ft

Surrounding border of a circle = circumference of a full circle (two half circle makes 1 full circle)

Circumference of the circle = πd

diameter (d) = 12 - (3 + 3) = 6 ft

π = 3.14

Circumference = 3.14*6

= 18.84 ft

✅Perimeter = 18 + 18.84 = 36.84 ft

✔️Area = area if the rectangle + area of the full circle

= L*W + πr²

L = 12 ft

W = 3 ft

π = 3.14

r = ½(6) = 3 ft

Plug in the values

Area = 12*3 + 3.14*3²

= 36 + 28.26

= 64.26 ft²

3 0

3 years ago