MATHEMATICS HIGH SCHOOL

Slope = -5 and goes thorough point (0, 2)​

Answers

Answer 1
Answer:

Answer:

y=-5x+2

Step-by-step explanation:

y-y_(1) =m(x-x_(1) )\ny-2=-5(x)\ny-2=-5x\ny=-5x+2

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The Museum of Science in Boston has an exhibit in which metal balls drop down a chute, bounce around, and wind up in one of 21 bins. After 1000 balls have dropped, the heights within the bins clearly follow a bell-shaped curve. If the standard deviation is 3 bins, approximately how many balls are in bins 1 through 7?A) 100
B) 160
C) 50
C) 330

Answers

if you have 21 bins then the 'middle bin' is bin 11 (starting at 1)So the 'mean' of this distribution is 11.The SD is 3so using the above calculator (or your own tables ) you get that the probability of a ball being in bin 7 or less is .091

A is you answer
A.100 so make sure you put your answer

Hailey simplified the expression (12xy74x4y3)2 using the following steps:Step 1: (3x−3y4)2

Step 2: 3x−6y8

Step 3:3y8x6

Did Hailey correctly simplify the expression?
A
Yes, Hailey correctly simplified the expression.

B
No, in Step 1, Hailey should have added the exponents instead of subtracting them.

C
No, in Step 2, Hailey should have squared each exponent value instead of multiplying each value by 2.

D
No, in Step 2, Hailey should have also multiplied the exponent of the coefficient by 2 to get 32.

Answers

Answer:

c

Step-by-step explanation:

because i said so

actually i don't know

What is the solution of StartRoot x squared + 49 EndRoot = x + 5?

Answers

Answer:

2.4

Step-by-step explanation:

  • √(x² +49) = x + 5
  • (√(x² +49) )²= (x + 5)²       ⇒  square of both sides
  • x² + 49 = x² + 10x + 25     ⇒  simplifying, x² get cancelled
  • 10x = 49 -25
  • 10x = 24
  • x= 24/10
  • x= 2.4

Answer is  2.4

Answer:

12/5

Step-by-step explanation:

Can 12,35,37 be a right triangle

Answers

Answer:

Yes

Step-by-step explanation:

If it could be a right triangle, then 12^2 + 35^2 would have to equal 37^2

12^2 = 144

35^2 = 1225

37^2 = 1369

1225 + 144 = 1369, which is 1369.

That means that it CAN form a right triangle

Answer:

yes

Step-by-step explanation:

A furniture store marks up the price of a desk lamp by 80% from $35. What is the new retail price?

Answers