MATHEMATICS MIDDLE SCHOOL

How can you find 3×584 using expanded form

Answers

Answer 1
Answer: (500*3)+(3*80)+(3*4)=1752
Answer 2
Answer: You can do 3×500, 3×80, and then 3×4. Then you add them all together which should get you 1752. I hope this helped =)

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What is the value of y? y= -5x -9

Answers

y is = -4

step one wite down your y = -5x-9
step two add 5x on -5x there for you will get 0
step three add 5x on -9
step 4 you will left y= x-4 -x
now - both (x) , then you will get -4

May someone explain how to do this or what the answer is ?

Answers

Answer:

x=30°

Step-by-step explanation:

To find the value of x we need atleast 2 other angles, and we do we have one  70, but we need to get another angle from the info given outside the triangle,

Notice, the angle beside 100 can be found by simply subtracting 180-100

(since angles are on a straight line [Supplementary angles]

So, the angle is 80

Now, we know that the angles inside a triangle add up to 180

So basically, to find x:

70+80+x = 180

150+x = 180

x = 180-150

x=30°

Hoep this helps!

Mark brainliest if you think i helped! Would really appreciate!

The equation of a line is given below.
- 4x - 5y = -5

Answers

See the attached figure

Explanation:

I'll assume you need to get the graph of the following linear function:

-4x-5y=-5

So if you multiply all the equation by -1 you will get:

4x+5y=5

With two points we can graph the line of this equation, so:

\bullet \ For \ x=0, \ then: \n \n (0)+5y=5 \n \n Solving \ for \ y: \n \n y=(5)/(5) \n \n y=1 \n \n Point: \ (0,1) \n \n \n \bullet \ For \ y=0, \ then: \n \n 4x+5(0)=5 \n \n Solving \ for \ x: \n \n 4x=5 \n \n x=(5)/(4) \n \n Point: \ (5/4,0) \n \n \n So \ our \ line \ passes \ through: \n \n (5,0) \ and \ (5/4,0)

By using graphing tool we get the graph shown below.

Learn more:

Parametric equations: brainly.com/question/10022596

#LearnWithBrainly

A set of cards includes 20 yellow cards, and 24 blue cards. What is the probability, written in decimal form, that a blue card is chosen at random? (Help please)

Answers

0.55 
Number of favorable outcome/Total number of possible outcome
24/(20+24)
.54 I believe. 
20 yellow and 24 blue = 44 cards in all
divide 24 by 44 and you get a .54 repeating decimal. 

Simplify (-2xy2)4(2x3y4)2

Answers

(-2xy^2)^4(2x^3y^4)^2=\n \n (16x^4y^8)(4x^6y^8)=64x^(10)y^(16)

How do I simplify:S=2 Pi r squared + 2 Pi r h

Then how do I make h the subject

Then what is the value of h if S=50 and r=3

Thanks

Answers

S=2\pi r^2+2\pi rh\n\n2\pi rh+2\pi r^2=S\ \ \ \ \ \ |subtract\ 2\pi r^2\ from\ both\ sides\n\n2\pi rh=S-2\pi r^2\ \ \ \ \ \ \ |divide\ both\ sides\ by\ 2\pi r\n\n\boxed{h=(S-2\pi r^2)/(2\pi r)}\n\nS=50;\ r=3\n\n\boxed{h=(50-2\pi\cdot3^2)/(2\pi\cdot3)=(50-2\pi\cdot9)/(6\pi)=(50-18\pi)/(6\pi)} < 0-no\ sense\n\nI\ think...\ S\ not\ equal\ 50!!!
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