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2 years ago

In the image, pretty sure 24 is a plane. Not sure about 23.

Mathematics

1 answer:

Anestetic [448]2 years ago

4 0

9514 1404 393

Answer:

23. A (postulate)

24. A (line)

Step-by-step explanation:

23. A postulate is assumed true without proof. A theorem must be proven before it can be used as a reason in a proof. Postulates, theorems, and definitions can all be used as reasons in a proof.

24. Two planes intersect in a line. An example is attached.

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Write an equation in which the quadratic expression 3x^2+6x-24 equals 0. Show the expression in factored form and explain what y

mr_godi [17]

Answer:

3x² + 6x - 24 = 0

(3x - 6)(x + 4) = 0

x = -4 , x = 2 when y = 0

Step-by-step explanation:

3x² + 6x - 24 = 0

(3x - 6)(x + 4) = 0

Means

3x - 6 = 0 ⇒ 3x = 6 ⇒ x = 6 ÷ 3 = 2

x + 4 = 0 ⇒ x = -4

The Parabola which represents the quadratic equation intersects x-axis at

points (2 , 0) and (-4 , 0)

5 0

2 years ago

Order these numbers from least to greatest.0.85,1/4,5/8,20%,0.3

Pavlova-9 [17]

1/4 = 0.25
5/8 = 0.625
20% = 0.20
So now we have: 0.20 < 0.25 < 0.3 < 0.625 < 0.85
So the solution is 20%, 1/4, 0.3, 5/8, 0.85

4 0

2 years ago

3 more than a number is greater than 27

maw [93]

Answer:

9 because 27 divided by 3 is 9

6 0

3 years ago

Read 2 more answers

Jake started biking to the coffee shop traveling 8 mph, after some time the bike got a flat so Jake walked the rest of the way,

melisa1 [442]

Jake travel to the coffee shop by bike with speed of $8mph$ is $56mile$ and when bike got a flat so Jake walked $4mile$

How to find the speed by biking and walking ?

let $b$ = time spent biking

then $8-b$ =time spent walking

Write distance equation

$dist=speed *time$

So bike distance $+$ walk distance $=60mile$

$8b+4(8-b)=60\\8b+32-4b=60\\4b=60-32\\b=28/4\\\\b=7hrs$

Then $8-7=1 hrs$ spent walking.

For cross check the answer find that actual distance for each

$8(7)=56mi\\4(1)=4mi\\-------\\total distance=60mile$

Learn more about distance and speed here :

brainly.com/question/28045840

#SPJ4

8 0

1 year ago

I’m sorry if I’m asking for too much but this whole page is very confusing And I don’t remember learning this in fifth grade hel

nekit [7.7K]

Answer:

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3.) 58 = 58 ║f.) =

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6.) 25 < y ║c.) 16

7.) N = 6 ║e.) 6

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2 years ago