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3 years ago

2. Which of the following vectors is equal to vector with initial point (3, 7) and

Mathematics

1 answer:

Zinaida [17]3 years ago

6 0

Answer:

Step-by-step explanation:

We can subtract 3 in the x-coordinate and 7 in the y-coordinate for both points.

(3-3,7-7) = (0,0)

(-5-3,-3-7) = <-8,-10>

Hope this helps!

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1. In the diagram below, AB = AC, CB = CE, BD = BE, BC = 9 cm and CD = 5 cm. FindAC.

KengaRu [80]

Answer:

if ab= ac and bc= 9 then ba=ac so there for b and a are equivalent so ac=9

Step-by-step explanation:

4 0

3 years ago

I will give the brainiest if u get the answer right

Likurg_2 [28]

9 in the first box and 3 in the second :)

8 0

3 years ago

Read 2 more answers

A rectangular garden has a length of (2y - 4) feet and a width of 4y^2 feet. How do you find the perimeter of the garden

Ber [7]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{8 {y}^{2} + 4y - 8}}}}}$

Step-by-step explanation:

Given,

Length of a rectangular garden ( l ) = 2y - 4

Width of a rectangular garden ( w ) = 4y²

Perimeter of the garden = ?

Finding the perimeter of a rectangular garden having length of 2y-4 and width of 4y²

$\bold{ \boxed{ \sf{perimeter \: of \: a \: rectangle = 2(l + w)}}}$

$\longrightarrow{ \sf2(2y - 4 + 4 {y}^{2}})$

Distribute 2 through the parentheses

$\longrightarrow{ \sf{4y - 8 + 8 {y}^{2} }}$

Arrange it in standard form

$\longrightarrow{ \sf{8 {y}^{2} + 4y - 8}}$

Hope I helped!

Best regards! :D

3 0

4 years ago

The table shows the average number of hours of daylight per day for the last four months of the year. a 2-column table with 4 ro

mina [271]

The correlation coefficient for the data in the table is A. –0.993

<h3>Calculations and Parameters:</h3>

Using this formula: $r = \frac{n(\sum xy)-(\sum x\sum y)}{\sqrt{n\sum x^2-(\sum x)^2}\sqrt{n\sum y^2-(\sum y)^2}}$

We would use x and y to represent the unknowns.

n = 4

We have,

∑x = 42,
∑y = 44.37 ,
∑xy = 461.3
∑x^2 = 446,
∑y^2 = 494

Putting these values in the formula $r = \frac{n(\sum xy)-(\sum x\sum y)}{\sqrt{n\sum x^2-(\sum x)^2}\sqrt{n\sum y^2-(\sum y)^2}}$ would bring the answer as. A. –0.993

Read more about correlation coefficient here:

brainly.com/question/4160489

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3 years ago

Which is the graph of the following inequality

trapecia [35]

Answer:

graph a is the correct answer

Step-by-step explanation:

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3 years ago