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3 years ago

CAN SOMEONE PLEASE HELP ME ill give brainliest if correct

Mathematics

1 answer:

Iteru [2.4K]3 years ago

5 0

Answer:

280

Step-by-step explanation:

360-80

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Well he only needs to check two corners

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A card is drawn from a standard deck and a letter is chosen from the word incredible . What is the probability of drawing a king

gavmur [86]

A deck as 52 cards and 4 kings
p(king) = 4/52 =1/13

[Getting l as in the letter “L” and not the letter “i” right?]

P(l) = 1/10

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4 years ago

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The diagram shows a square pyramid over a cube. What is the volume of the entire figure?

TEA [102]

Answer: 810

Step-by-step explanation:

first lets take down the information we were given,

height (h) of the pyramid should be 12 - 9 = 3

base (a) = 9

So we calculate the volume of a square pyramid

V = a²h/3

V = (9² × 3) / 3

v = (81 × 3) / 3

V = 81

now we calculate the volume of the cube using the formula

V = a³

V = 9³

V = 729

NOW to get the volume of the entire figure

we say

volume of square pyramid + volume of cube

81 + 729 = 810

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4 years ago

162 water bottles in 9 cases

adell [148]

Your answer is 18 because your dividing

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3 years ago

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find the x-intercepts and the coordinates of the vertex for the parabola Y equals negative X squared plus 8X -12. If there’s mor

Oksanka [162]

Answer:

x = 2, and 6

x = 2 , 6

Step-by-step explanation:

The quadratic function to analyze is: $y = -x^2+8x-12$

In order to find where the corresponding parabola intercepts the x axis, we set it equal to zero (y = 0):

$y = -x^2+8x-12\\0 = -x^2+8x-12\\x^2-8x+12=0$

This equation is easy to solve by factoring. We look for a air of integer numbers whose product equals the constant term "12", and whose combinig renders the coefficient of the middle term of the trinomial "-8".

The two such numbers are "-2" and "-6". We use them to split the middle term, and then solve by factoring by grouping:

$x^2-8x+12=0\\x^2-2x-6x+12=0\\(x^2-2x)+(-6x+12)=0\\x(x-2)-6(x-2)=0\\(x-2)(x-6)=0$

For the product of two factors to render zero, we need either one to be a zero.This means that (x-2)=0 (that is x = 2), or (x-6)=0 (that is x = 6).

So, there are two x-intercepts: x= 2, and 6

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3 years ago