What is 9/10 - 1/10 equal.

Answers

Answer 1

Answer: 9/10 - 1/10 = 8/10.
When subtracting fractions with like denominators, you really only need to worry about the numerators. 9 - 1 = 8, so the answer is 8/10.
As we can see, both 8 and 10 are divisible by 2, so we can simplify the answer a bit.
8 / 2 = 4
10/ 2 = 5
The final simplified answer is 4/5.
Hope that helped =)

Answer 2

Answer: Since the denominators are the same, we can just combine the numerators together.

$(9-1)/(10)$

Now, we just have to subtract the numerators to get our new fraction.

$(8)/(10)$

But, our fraction is not in simplest form yet. We can find the GCF of 8 and 10 and then divide the numerator and denominator by it.

The GCF = 2, so now we can divide.

$8 / 2 = 4 \n 10 / 2 = 5 \n \n$

Gather the new numerator and denominator to get our simplified fraction.

The final result is: 4/5 or 0.8

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What is the graph of 3x + 5y = –15?

Thu wants to play “Guess My Number,"she states. “When I triple my number and add five ,I get twenty-six.what is my number?" What is her number? Show how you know

Answers

3x + 5=26
subtract 5 from both sides
3x=21
divide by 3
x=7

Her number is 7. You simply subtract 5 from 26 and get 21 then you divide it by 3 and get 7. Basically you are reversing the steps she stated.

A plane is flying within sight of the Gateway Arch in St. Louis, Missouri, at an elevation of 30,000 ft. The pilot would like to estimate her distance from the Gateway Arch. She finds that the angle of depression to a point on the ground below the arch is 27°. (Round your answers to the nearest foot.)(a) What is the distance between the plane and the arch?
(b) What is the distance between a point on the ground directly below the plane and the arch?

Answers

Answer:

X = 33,669.78 ft

Y = 15285.76 ft

Step-by-step explanation:

Given data:

let x be the distance btwn arch and plane

and y be the distance btwn ground point and arch y

we know that

$cos\theta = (adjacent)/(hypotaneous)$

$cos(27) = (30,000)/(x)$

xcos27 = 30000

$x = (30000)/(cos 27)$

x = 33,669.78 ft

b) we knwo that

$tan \theta = (opposite)/(adjacent)$

$tan 27 = (y)/(30000)$

y = tan(27) (30000)

y = 15285.76 ft

4. A triangle with base (2x+2) and height (x-2) is cut out of a rectangular sheet of paper that is (3x+4) by (2x+3) what is the area of the paper that remains?

Answers

so what we do is
area that remains=total area-triangle area that was cut out

we need to find 2 things
total area
triangle area

total area=rectange=base times height
area=(3x+4) times (2x+3)
FOIL or distribute
6x^2+8x+9x+12=6x^2+17x+12

triangle area=1/2 times base times height
triangle area=1/2 times (2x+2) times (x-2)=
(x+2) times (x-2)=x^2+2x-2x-4=x^2-4

so
total area=6x^2+17x+12
triangle area=x^2-4

subtract
area that remains=total area-triangle area that was cut out
area that remains=6x^2+17x+12-(x^2-4)=
6x^2+17x+12-x^2+4=
6x^2-x^2+17x+12+4=
5x^2+17x+16

area that remains is 5x^2+17x+16

1. describe how graphs of y=|x| and y=|x|-15 are related.2. write an equation for the translation of y=|x|
2 units down.

Answers

1. y=|x|-15 is 15 units down y=|x|

2. y=|x|-2 is the equation for the translation of y=|x| two units dwon.

100 / 2 * 5 = ??????

Answers

PEMDAS
Multiply first!

100/10=10
Thats all:)

the answer is 250

100/2 = 50

50 * 5 = 250

4^3 • 5^3 and 20^3, Are the expressions equivalent? Yes or no?

Answers

Hey there!

4^3 * 5^3 = ?

4^3

= 4 * 4 * 4

= 16 * 4

= [64]

5^3

= 5 * 5 * 5

= 25 * 5

= [125]

125 * 64

= [8,000]

20^3

= 20 * 20 * 20

= 400 * 20

= 8,000

8,000 = [8,000]

Therefore, this statement is TRUE so your answer is: [YES]

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

Answer:

Yes

Step-by-step explanation:

4³ × 5³

(4 × 5)³

=20³

Both are equivalent

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