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3 years ago

What is the measure of

Mathematics

1 answer:

garri49 [273]3 years ago

6 0

Include a picture and i’ll be happy to help!

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Let A = {1, 2, 3, 4, 5} and B = {2, 4}. What is A ∩ B? (1 point)

Rainbow [258]

Answer:

{2, 4}

Step-by-step explanation:

Intersection is the elements that two or more sets have in common. In A and B, they share {2, 4} in common.

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3 years ago

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Ms. Nickel wants to divide her class of 23 students into 4 equal teams . Is this reasonable ?

algol [13]

No, 23 can't be divided four times.
23/4=5.75

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3 years ago

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The maximum value of the function: f(x)= -5 x ^2 +30x-200 is?

VARVARA [1.3K]

Answer:

$\displaystyle - 155$

Step-by-step explanation:

we are given a quadratic function

$\displaystyle f(x) = - 5 {x}^{2} + 30x - 200$

we want to figure out the minimum value of the function

to do so we need to figure out the minimum value of x in the case we can consider the following formula:

$\displaystyle x _{ \rm min} = \frac{ - b}{2a}$

the given function is in the standard form i.e

$\displaystyle f(x) = a {x}^{2} + bx + c$

so we acquire:

b=30
a=-5

thus substitute:

$\displaystyle x _{ \rm min} = \frac{ - 30}{2. - 5}$

simplify multiplication:

$\displaystyle x _{ \rm min} = \frac{ - 30}{ - 10}$

simply division:

$\displaystyle x _{ \rm min} = 3$

plug in the value of minimum x to the given function:

$\displaystyle f (3)= - 5 {(3)}^{2} + 30.3 - 200$

simplify square:

$\displaystyle f (3)= - 5 {(9)}^{} + 30.3 - 200$

simplify multiplication:

$\displaystyle f (3)= - 45 + 90- 200$

simplify:

$\displaystyle f (3)= - 155$

hence,

the minimum value of the function is -155

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Answer:

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Step-by-step explanation:

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3 years ago

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Answer: your mom

Step-by-step explanation:

Kidding the answer is 29.6

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2 years ago