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3 years ago

Can y’all please help

Mathematics

1 answer:

AveGali [126]3 years ago

6 0

Answer:

F(5) = 3

g(x) = 3, x = -1 and maybe 6.5

Step-by-step explanation:

For the first question, count over 5 units on the x-axis and find what the y value equals for the f(x) line.

For the second question count up the y-axis 3 and see where the g(x) line intersects which is -1 and possibly 6.5

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According to the table, if Akiko Buys 242 shirts, predict how many would be white.

Keith_Richards [23]

The answer would be 67 white T-shirts because there are not a lot of white t-shirts. If you didnt have a lot, then you would buy more of thta thing.

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4 years ago

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eimsori [14]

Answer:

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Step-by-step explanation:

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3 years ago

Chord AB is 3cm from the center of a circle, the radius of the circle is 5cm, calculate the length of the chord.

yan [13]

Answer:

$\large{\boxed{\sf Chord = 8cm }}$

Step-by-step explanation:

First see figure in attachment . As we know that ,Perpendicular from centre of the circle bisects the chord . Hence here ,

OC is the perpendicular bisector of chord AB .
Let us assume that AC = x , therefore ,

$\sf\qquad\longrightarrow AB = 2AC = 2x$

Now in ∆OAC , by Pythagoras Theorem , we have ;

$\sf\qquad\longrightarrow (5cm)^2= x^2+(3cm)^2\\$

$\sf\qquad\longrightarrow 25cm^2=x^2+9cm^2\\$

$\sf\qquad\longrightarrow x^2=25cm^2-9cm^2\\$

$\sf\qquad\longrightarrow x^2=16cm^2\\$

$\sf\qquad\longrightarrow \pink{ x = 4cm }$

Therefore , the length of chord will be ,

$\sf\qquad\longrightarrow AB = 2x \\$

$\sf\qquad\longrightarrow AB = 2(4cm)\\$

$\sf\qquad\longrightarrow \pink{ AB = 8cm }$

Hence the length of chord is 8cm .

8 0

3 years ago

A palindrome is chosen at random from the list of all $6$-digit palindromes, with all entries equally likely to be chosen. (Reca

kirill115 [55]

Answer:

Expected value 550,000

Step-by-step explanation:

Calculation of the expected value of the chosen number

We should know that each of the digit of the number may likely be thought of what we called a random variable, in which the first digits and the last digits comes uniformly from [1,2,3,4,5,6,7,8,9] while the last digit can't be 0 because of what we called the palindrome condition).

Therefore each of these two digits will have an expected value of 5 while the other four digits will come uniformly from this digits which are [0,1,2,3,4,5,6,7,8,9] in which each of the digits will have an expected value of 4.5.

Thus Expected value is additive, which means we have to also take place the value into account.

Now let find the EXPECTED VALUE

The expected value will be :

(100,000+1)⋅(5)+(10,000+1,000+100+10)⋅(4.5)

Expected value=550,000

Therefore the Expected value will be 550,000

4 0

3 years ago

Determine the number of terms in each algebraic expression (6a+9)-7b

Vesnalui [34]

Answer:

Step-by-step explanation:

(6a+9)-7b

There are 3 terms

3 0

3 years ago

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