1 year ago

Dados los intervalos A=]-2;2[ ,B=[0;5[ y C=]-∞;1], determine el intervalo que resulta de operar: (A∩B)-C

Mathematics

1 answer:

d1i1m1o1n [39]1 year ago

8 0

Answer: ]1, 2[

Step-by-step explanation:

$A \cap B=[0; 2[\\\\(A \cap B)-C=]1, 2[$

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Answer:

$-7x^2+x+9=-6x$

$-7x^2+x+9+6x=-6x+6x$

$-7x^2+7x+9=0$

$quadratic\: formula$

$x_{1,\:2}=\frac{-7\pm \sqrt{7^2-4\left(-7\right)\cdot \:9}}{2\left(-7\right)}$

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3 years ago

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Marrrta [24]

Answer:

√17, 4.23, 9/2

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2 years ago

Find the volume of a rectangular prism with length 20 m,

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3 years ago

What two numbers add up to -27 and multiply to 72?

leonid [27]

-3-24=-27, -3x-24=72
Answer is -3 and -24

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3 years ago

42 /48 in simplest form

zloy xaker [14]

First we need to find the GCF (greatest common factor)

Factors of 42 are:
1, 2, 3, 6, 7, 14, 21, 42

Factors of 48 are:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48

GCF is 6

To simplify you divide numerator and denominator into the GCF

42 ÷ 6 = 7

48 ÷ 6 = 8

42/48 = 7/8

Hope this helps. :)

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3 years ago