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3 years ago

10) Choose the quadrilateral with 4 sides, opposite sides parallel, and no right

Mathematics

1 answer:

sergey [27]3 years ago

6 0

B it would be enough to obtuse shape

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Janelle subtracts -4 from a number the result is 2 what is the number

Gre4nikov [31]

Answer:

Step-by-step explanation:

Unknown number = x

So,

x - 4 = 2 (add 4 to both sides)

x - 4 + 4 = 2 + 4

x = 6

6 0

4 years ago

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A bag of marbles contains 4 green marbles, 3 blue marbles, 2 red marbles, and 5 yellow marbles. How many total possible outcomes

asambeis [7]

Answer:

4, because if you chose any one from the 4 green marble the answer is 1 because all are same coloured, you can chose one green or one red or one blue or one yellow

Step-by-step explanation:

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3 years ago

a cuboid with a volume of 924 cm3 has dimensions 4cm (x+1)cm and (x+11)cm. show clearly that x^2 +12x-220=0. show the equation b

nikdorinn [45]

Answer:

Part 1)

The equation by factorization is

$x^{2}+12x-230=(x-(-6+\sqrt{266}))(x-(-6-\sqrt{266}))$

Both values of x are

$x1=-6+\sqrt{266}$

$x2=-6-\sqrt{266}$

Part 2) The dimensions of the cuboid are

$4\ cm$ , $(-5+\sqrt{266})\ cm$ and $(5+\sqrt{266})\ cm$

Step-by-step explanation:

step 1

we know that

The volume of the cuboid is equal to

$V=LWH$

substitute the given values

$V=4(x+1)(x+11)$

$V=924\ cm^{3}$

$4(x+1)(x+11)=924\\4(x^{2}+11x+x+11)=924\\ 4(x^{2}+12x+11)=924\\x^{2}+12x+11=231\\x^{2}+12x-230=0$

Complete the square

$x^{2}+12x-230=0$

$x^{2}+12x=230$

$x^{2}+12x+36=230+36$

$(x+6)^{2}=266$

square root both sides

$x+6=(+/-)\sqrt{266}$

$x=-6(+/-)\sqrt{266}$

$x1=-6+\sqrt{266}$

$x2=-6-\sqrt{266}$

therefore

The equation by factorization is

$x^{2}+12x-230=(x-(-6+\sqrt{266}))(x-(-6-\sqrt{266}))$

step 2

Find the dimensions of the cuboid

The dimensions are

$4\ cm$

$(x+1)\ cm -----> (-6+\sqrt{266}+1)=(-5+\sqrt{266})\ cm$

$(x+11)\ cm ----> (-6+\sqrt{266}+11)=(5+\sqrt{266})\ cm$

4 0

3 years ago

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How can you know if this equation is true?<br><br> 12+38=410=25

Aleonysh [2.5K]

Answer: that’s literally not even a valid equation. It literally Basically says 410 Is equal to 25. When is incredibly false

Step-by-step explanation:

7 0

3 years ago

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A landscaping company sells bushes for $24 each and trees for $36 each. If you spent $648 on materials, complete the statements

Fynjy0 [20]

#of bushes, x #of trees, y

18 6
12 10
6 14
Explanation:
Do you mind if you make the explanation? Try to find out for urself atleast u do something. Its kinda easy tbh.

4 0

3 years ago