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
leonid [27]
3 years ago
9

7. If a set of data points has a trend line of y = 4.2x - 3, what is the predicted value of x when

Mathematics
1 answer:
elixir [45]3 years ago
8 0

Answer:

The predicted value of x = 2

Step-by-step explanation:

y = 4.2x - 3 is the given equation.

Now, y = 5.4

Putting in the above equation, we get

5.4 = 4.2x - 3

or, 5.4 + 3 = 4.2x

or, 8.4 = 4.2 x

⇒ x  = 8.4/4.2

⇒ x = 2

You might be interested in
ASAP PLEASE I WILL MAKE YOU BRAINLIEST!!!!
Pie

Answer:

Sarah bought 3 first class tickets and 3 coach tickets.

Step by Step Explanation:

1030+1030+1030=3850

380+380+380=1140

3850+1140=4230

7 0
3 years ago
Obtuse is to more than 90° as reflex is to​
Simora [160]

9514 1404 393

Answer:

  >180° (more than 180°)

Step-by-step explanation:

Angles are classified as ...

  • acute: < 90°
  • right: = 90°
  • obtuse: > 90°
  • straight/linear: = 180°
  • reflex: > 180°

It seems that we're looking at definitions:

  obtuse : >90° :: reflex : >180°

7 0
3 years ago
Which of the following will be constructed when the two endpoints of a line segment are folded so that they line up
nataly862011 [7]
B. Midpoint of a line segment
6 0
3 years ago
Read 2 more answers
Will mark brainliest if correct (surface area question)
I am Lyosha [343]

Answer:

535

Step-by-step explanation:

8 x 7 = 56

15 x 17 = 255 .  255 / 2 = 127.5

15 x 17 = 255 .  255 / 2 = 127.5

15 x 7 = 105

17 x 7 = 119

119 + 105 + 127.5 + 127.5 + 56 = 535

6 0
3 years ago
Write in scientific notation 57,000,000
oee [108]

Answer: 5.7 x 107

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • A worker at a baking company packs rolls twice as fast as he packs muffins. He packs crackers 2.5 times as fast as he packs roll
    8·1 answer
  • Need help finding the volumes of this pyramid please
    7·1 answer
  • Write the equation of the circle centered at (0,1) with radius 15.
    13·1 answer
  • Which rule describes the composition of transformations that maps pre-image ABCD to final image A"B"C"D"? Reflection across the
    9·1 answer
  • 16 +24<br> is equal to<br> 8-6<br> 06<br> 0 20<br> 0-1<br> O 13
    11·2 answers
  • NEED THIS ASAP PLEASE HELP
    14·1 answer
  • A group of 5 students was asked, "How many hours did you watch television last week?" Here are their responses:
    9·1 answer
  • Starting with number 0 on my calculator, I do a calculation in five steps. At each step, I either add 1 or multiply by 2. What i
    9·1 answer
  • 8th grade math!
    11·1 answer
  • Which equation is true? 9x2 – 25 = (3x – 5)(3x – 5) 9x2 – 25 = (3x – 5)(3x 5) 9x2 – 25 = –(3x 5)(3x 5) 9x2 – 25 = –(3x 5)(3x – 5
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!