1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
pashok25 [27]
3 years ago
12

Error Analysis: George was trying to rearrange the formula below to slope-intercept form, y = mx + b. by

Mathematics
1 answer:
Nat2105 [25]3 years ago
7 0

Answer:

George's mistake would be:

Instead of 2x + 40, she has made - x + 20.

Step-by-step explanation:

Slope - Intercept Form = y = mx + b

y + 20 = 2(x +20)

y + 20 = 2x + 40

   - 20          - 20

----------------------

y = 2x + 20

(Should have been the answer)

BUT,

George's Solving:

y + 20 = 2(x + 20)

y + 20 = -x + 20

George's Mistake would be her miscalculation during her 2nd step. Where instead of distributing 2 to (x + 20), she has changed it to -x + 20, when in reality, it should have been 2x + 40.

You might be interested in
Help.
Akimi4 [234]

1035.33156649 meters high is the helicopter flying over the building.

Given that, an observer (O) is located 900 feet from a building (B). The observer notices a helicopter (H) flying at a 49° angle of elevation.

We need to find how high is the helicopter flying over the building.

<h3>How to find the height of the building using trigonometry?</h3>

To measure the heights and distances of different objects, we use trigonometric ratios.

Here, use the Tangent rule to calculate the height of the building.

tan(angle) = opposite/adjacent

Now, tan 49°=h/900

⇒h=1035.33156649 meters

Therefore, 1035.33156649 meters high is the helicopter flying over the building.

To learn more about the angle of elevation visit:

brainly.com/question/21137209.

#SPJ1

3 0
2 years ago
BD bisects ∠ABC, m∠ABD=(7x−1)°, and m∠DBC=(4x+8)°. Find m∠ABD.
Naya [18.7K]

Answer:

  m∠ABD = 20°

Step-by-step explanation:

The bisector makes angles ABD and BDC congruent, so ...

  7x -1 = 4x +8

  3x = 9 . . . . . . add 1-4x to both sides

  x = 3

  m∠ABD = (7x-1)° = (7·3 -1)°

  m∠ABD = 20°

4 0
3 years ago
A home with an area of 2,200 square feet has 660 square feet of wood flooring. What percent of the home's flooring is wood
zheka24 [161]

Answer:

30%

Step-by-step explanation:

Given data

Area of Home= 2,200 square feet

Area of wood flooring=  660 square feet

The percent of wood flooring in the house can be gotten as

=660/2200*100

=0.3*100

= 30%

Hence the wooden floor occupies 30%.

7 0
3 years ago
23. Mr. Gomez bought fruit to make fruit salad. He bought 2 poundsFruit of apples and spent $4.50 on apples and oranges. Write a
TEA [102]
Equation: $1.20 x 4 = $4.80. This means that Mr. Gomez could've bought 2 of each fruit (because they cost the same)
7 0
3 years ago
Read 2 more answers
What would I to the 8th power be?
FromTheMoon [43]
I think it'd be 1 because well all you are doing is multiplying 1, 8 times. That is only if you meant the I to be 1. 
5 0
3 years ago
Other questions:
  • Find.the slope that passes they 3,5 &amp; 5,8
    9·2 answers
  • Order the steps to show how to solve the equation 2(4x−11)+9=192(4x−11)+9=19.
    7·1 answer
  • Is 7766 a even number ?
    6·1 answer
  • In the stock market an amazon stock share rose 4 and 1/2 points on Wednesday rose 3 and 3/8 points on Thursday and fell 2 and 1/
    6·1 answer
  • What is 6x - 2 if x = 5
    14·2 answers
  • If p(x)=2x^2 -4 and q(x)=x-3, what is (p*q)(x)
    15·2 answers
  • What values of x are solutions of the equation x - 4x = 0?
    14·1 answer
  • In the accompanying diagram of the right triangle ABC, what is tan C?
    5·1 answer
  • Can I have help, please
    7·1 answer
  • X 2.2.PS-15
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!