If p → q is true, then ~ p → ~ q is __________ true. always sometimes never

Mathematics

1 answer:

Yuliya22 [10]2 years ago

6 0

Answer:

The correct answer is Never

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5(2x-4)=45find what x equals

il63 [147K]

5(2x - 4) = 45
10x - 20 = 45
10x = 45 + 20
10x = 65
x = 65/10 reduces to 13/2 or 6 1/2

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2 years ago

Cara and John collect baseball cards.Cara has 12 times as many baseball cards as John.Together they have 117 cards.How many card

enyata [817]

Answer:

Cara:108

Step-by-step explanation:

John: x number of cards

Cara: 12 times x number of cards(she has 12 times more cards than John)

Cara+John=117 cards

$12 \times x + x = 117 \\ 13x = 117 \\ x = \frac{117}{13} \\ x = 9$

Cara has 12×9 cards, so she has 108 cards.

Hope this was helpful :)

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3 years ago

Read 2 more answers

Can someone explain step by step how to do #16?

bekas [8.4K]

You want to make the denominator of the fractions to be equal to each other.

(2/n+8)+(4/n+1) multiply n+1 by n+8, and multiply n+8 by n+1

(4n+32/n^2+8)+(2n+2/n^2+8) Now that the denominators are equal we can solve the numinator by adding like terms.
4n+2n=6n, 32+2=34

Your final answer is 2(3n+17)/n^2+8

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3 years ago

Find the vertex of the parabola y=-x^2-2x-5

Llana [10]

The Vertex is the pinnacle of a given parabola, it is also represented as the maximum or minimum value value.

The Equation given is "<span>y=-x^2-2x-5"

The vertex for this parabola is located at (-1,-4).

-I hope this is the answer you are looking for, feel free to post your questions here on brainly in the future. </span>

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2 years ago

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Sunny_sXe [5.5K]

You just need to multiply
$90 \times 60 \div 3$
then divide by 3

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2 years ago