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il63 [147K]
3 years ago
7

A scatter plot containing the point (10, 7) has the regression equation yˆ=−x−3 .

Mathematics
2 answers:
VLD [36.1K]3 years ago
4 0
20 is the answer ihope this helllllllllllps
QveST [7]3 years ago
3 0

Answer:

e=20

Step-by-step explanation:

Given there is a scatter plot.

A point on it is (10,7)

The regression line y' = -x-3

We have regression line giving estimate for given value of x

When x=10, actual value of y

= y observed = 7 (given)

As per regression line estimate

y = -10-x = -13

Difference between y estimate and actual y = 7-(-13)

=20

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Find the value of x.<br> 50°<br> Type the correct answer, then<br> press Enter
Yuri [45]

Answer:

x=65

Step-by-step explanation:

the sum of the angles of any triangle is equal to 180°. So, we do 180-50= 130. Then we divide 30 by two because there are two remaining angles so 130/2=65. x=65

6 0
3 years ago
Fabio drinks 2 quarts of water each day. How many cups of water does Fabio drink each day? (1 quarts = 4 cups
Westkost [7]

If Fabio drinks 2 quarts of water each day, he would drink 8 cups of water in accordance with direct proportion.

<h3>What is a proportion?</h3>

A proportion can be defined as an equation which is typically used to represent (indicate) the equality of two (2) ratios. This ultimately implies that, proportions can be used to establish that two (2) ratios are equivalent and solve for all unknown quantities.

Mathematically, a direct proportion can be represented by the following equation:

y = kx

Where:

  • y and x are the variables.
  • k represents the constant of proportionality.

By applying direct proportion, we have:

1 quarts = 4 cups

2 quarts = X cups

Cross-multiplying, we have:

X = 4 × 2

X = 8 cups.

In conclusion, the quantity of water which Fabio drinks each day is equal to 8 cups.

Read more on direct proportion here: brainly.com/question/1266676

#SPJ1

5 0
1 year ago
PLEASE ANSWWR ASAP thanks
AleksAgata [21]
(4x - 8) = 80/2
4x - 8 = 40
4x = 48
x = 12
answer
x = 12
4 0
3 years ago
Gerry earns 1.5 times her normal hourly rate for each hour she works after 40 hours in a week she worked 51 hours this week and
Andre45 [30]
Her normal hourly rate is $13 an hour, her overtime is $19.50
7 0
3 years ago
Maya worked 41 hours this week at a local hospital. She makes $12 per hour. Anytime over 40 hours is paid at a time and a half o
Anton [14]

Answer:

B. 498

Step-by-step explanation:

First, you figure out what 12 x 40 equal: 12 x 40 = 480.

Then, You figure out what 12 x 1.5 equals: 12 x 1.5 = 18.

Finally, you just add the two together: 480 + 18 = 498.

Hope this helps!!!

7 0
3 years ago
Read 2 more answers
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