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Brilliant_brown [7]
2 years ago
6

What is the exact value of sin(v + w), given sin v = -3/5, cos w = 10/11, v is an angle in quadrant 3, and w is an angle is quad

rant IV brainly

Mathematics
1 answer:
zvonat [6]2 years ago
7 0

Answer:

It’s A

Step-by-step explanation:

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Which figure will tessellate the plane? A. regular pentagon B. regular decagon C. regular octagon D. regular hexagon
Harrizon [31]
<h3>Answer: D. regular hexagon</h3>

A hexagon is composed of 6 congruent equilateral triangles. Each equilateral triangle has interior angle of 60 degrees. Adding 6 such angles together gets you to 360 degrees. So we've done one full rotation and covered every bit of the plane surrounding a given point. Extend this out and you'll be able to cover the plane. A similar situation happens with rectangles as well (think of a grid, or think of tiles on the wall or floor)

In contrast, a regular pentagon has interior angle 108 degrees. This is not a factor of 360, so there is no way to place regular pentagons to have them line up and not be a gap or overlap. This is why regular pentagons do not tessellate the plane. The same can be aside about decagons and octagons as well.

5 0
3 years ago
An online furniture store sells chairs for $150 each and tables for $400 each. Every day, the store can ship no more than 30 pie
ivolga24 [154]

Answer:

minimum of 13 chairs must be sold to reach a target of $6500

and a max of 20 chairs can be solved.

Step-by-step explanation:

Given that:

Price of chair = $150

Price of table = $400

Let the number of chairs be denoted by c and tables by t,

According to given condition:

t + c = 30 ----------- eq1

t(150) + c(400) = 6500 ------ eq2

Given that:

10 tables were sold so:

t = 10

Putting in eq1

c = 20 (max)

As the minimum target is $6500 so from eq2

10(150) + 400c = 6500

400c = 6500 - 1500

400c = 5000

c = 5000/400

c = 12.5

by rounding off

c = 13

So a minimum of 13 chairs must be sold to reach a target of $6500

i hope it will help you!

4 0
3 years ago
If the hikers want to share the fruit evenly , how many Leicester should each person receive?
sveticcg [70]
An even amount each 
EXAMLEE;there are 4 potatoes and 2 people they want to split it evenly so 4potatoes/2people
4 divided by 2
they both get 2 potatoes.
stupid example but hope it helps



6 0
3 years ago
What is the slope of line <br> x -3,-2,-1,0<br><br> y 6,4,20? <br> PLEASE HELP ASAP
alekssr [168]
Answer: y=-2x
Solution:

7 0
2 years ago
What is the answer to this problem -2x – 4 &lt; 3x + 21
horsena [70]

Start with

-2x-4 < 3x+21

Add 2x to both sides:

-4 < 5x+21

Subtract 21 from both sides:

-25 < 5x

Divide both sides by 5. Since it is positive, we don't have to change the inequality sign:

-5 < x

So, the answer is x > -5


6 0
2 years ago
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