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kupik [55]
3 years ago
9

Please help me out please

Mathematics
2 answers:
Gekata [30.6K]3 years ago
8 0

answer 4.9cm

10times x=7times7(multiple it)

10x=49

x=49/10

x=4.9

shepuryov [24]3 years ago
6 0

What we have here is called INTERSECTING CHORDS IN A CIRCLE.

The equation is:

10 times x = 7 times 7

10x = 49

x = 49/10

x = 4.9

You might be interested in
A.) How many ways can you select 1 flavor of ice cream, 1 topping and 1 drink if there are 5 flavors of ice cream, 3 toppings an
jeka94
A) you can combine any of the 5 ice-creams with any of the 3 toppings and any of the 4 drinks.

This means a total of 5*3*4=60 ways.

B) assuming that the first digit can be 0, we have 10 choices for the 1. digit, 9 for the 2., 8 for the third and 7 choices for the fourth digit.

In total, there are 10*9*8*7=5040 passwords we can create.

C) Selection of 3 objects out of 8, can be done in

C(8, 3)=8!/(3!5!)=(8*7*6)/3!=8*7=56 many ways.

D.

P(prime)=n(prime)/n{1, 2, 3, 4, 5, 6}=n{2, 3, 5}/6=3/6=1/2=0.5

E.

any of the 6 outcomes of rolling a die, can be combined with any of the 4 colors.

for example (1, red), (1, yellow), (1, green), (1, blue).

so in total, there are 6*4=24 items in the sample space.

F.
(5, red) is just one of the 24 items in the sample space, so its probability is 1/24= 0.0417

G.

the mode, as it is the size which appears the most.


Answers:

A.60

B.5040

C.56

D. 0.5

E.24

F.1/24= 0.0417

G.mode




7 0
3 years ago
Divide 0÷17. Check by multiplying
MArishka [77]
0÷17=0

Check:
17x0=0

<em>the answer is 0</em>
3 0
2 years ago
Read 2 more answers
a fair coin is flipped. if the flip results in a head, then a fruit is selected from a basket containing 8 apples, 2 bananas, an
Shkiper50 [21]

Solution :

We have given two baskets :

$H_1$ : 8 apples + 2 bananas + 6 cantaloupes = 16 fruits

$H_2$ : 6 apples + 4 bananas = 10 fruits

A fair coin is made to flipped. If the \text{flip} results is head, then the fruit is selected from a basket $H_1$.

If the flip results in tail, then the fruit is selected from the basket $H_2$.

Probability of head P(H) = 1/2

Probability of tail P(T) = 1/2

if given event is :

B = selected fruit is BANANA

We have to calculate : P(T|B)

Probability of banana if the flip results is head P(B|H) = $\frac{2}{16}$

Probability of banana if the flip results is tail P(B|T) = $\frac{4}{10}$

From the Bayes' theorem :

Probability of flip results is tail when selected fruit is BANANA.

$P(T|B) = \frac{P(B|T)\ P(T)}{P(B|T) \ P(T) + P(B|H)\ P(H)}$

            $=\frac{\frac{4}{10} \times \frac{1}{2}}  {\frac{4}{10} \times \frac{1}{2} + \frac{2}{16} \times \frac{1}{2}}$

            $=\frac{\frac{1}{5}}{\frac{1}{5}+\frac{1}{16}}$

            $=\frac{\frac{1}{5}}{\frac{21}{80}}$

            $=\frac{16}{21}$

∴  $P(\ T|B\ )=\frac{16}{21}$

6 0
3 years ago
Which expression is equivalent to 9+8 xn?<br> 0 72n<br> O 9 + 8n<br> 17 xn<br> 0 9x (8 + n)
Margaret [11]

Answer:

17xn

Step-by-step explanation:

7 0
2 years ago
What’s is 6 times 3/8
Oxana [17]

Answer:

9/4

Step-by-step explanation:

You multiply 3/8 by 6.

6 0
3 years ago
Read 2 more answers
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