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antoniya [11.8K]
3 years ago
15

10×2thousands=______thousands=____​

Mathematics
1 answer:
lara [203]3 years ago
4 0

Answer:

10x2thousands=20thousands=20000

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What property can I use for this question: 3x57
blondinia [14]

Answer:

<h2>====LEARN WITH REY====</h2>

What property can I use for this question: 3x57

In this property there is the property of the multiplication part

Step-by-step explanation:

If calculated, the result is

3 x 57 = 171

<h3>#Study with brainly </h3><h3># Learn with rey</h3>

<h3>Question code : 5.2.7</h3><h3>Course : Math</h3><h3>Theory : Splash</h3>
5 0
3 years ago
Four circles of unit radius are drawn with centers $(1,0)$, $(-1,0)$, $(0,1)$, and $(0,-1)$. a circle with radius 2 is drawn wit
Reika [66]
Check the picture 1.

The regions contained in an odd number of these 5 circles are

the pink colored region, contained only in the circle with radius 2, 

and the yellow regions, each contained in the intersection of 2 small circles and the third large circle.

So what we need to determine is the "area pink + area yellow".


Consider the second picture.

Let A2 be the area of the right isosceles triangle, and A1 be half of the yellow region.

the region A2 + A1 is called a sector, and it is 1/4 of the area of a unit circle.

A1=A_{sector}-A2= \frac{1}{4} \pi r^2- \frac{1}{2}.1.1= \frac{1}{4} \pi 1^2- \frac{1}{2}=  \frac{1}{4}\pi- \frac{1}{2}


Thus, the overall yellow region is 8A1=8(\frac{1}{4}\pi- \frac{1}{2})=2\pi-4


The purple area is:
 
Area of large circle - 4*(Area of 1 small circle) + yellow region.

(because subtracting all 4 small circles means that each of the 4 separate yellow regions have been subtracted twice)

A_{purple}=\pi.2^2-4(\pi.1^2)+2\pi-4=4\pi-4\pi+2\pi-4=2\pi-4


Finally, the total area is : 2\pi-4+2\pi-4=4\pi-8 (units squared) 



Answer:   6\pi-8    square units

6 0
3 years ago
Find the perimeter to this irregular shape.
Snowcat [4.5K]

Answer:23 mm

Step-by-step explanation:

add both 15 and 8 because they are as long as the one on the bottom

5 0
3 years ago
Read 2 more answers
Hi can someone please help me Im struggling with this!!!
Juliette [100K]

Hence, the measure of the angles are

∠q = 65°

∠r = 65°

∠s = 50°

∠t = 65°

∠b = 64°

<h3>Calculating the measure of angles </h3>

From the question, we are to determine the measure of the angles.

Calculating the measure of angle q

∠q + 65° + (180° - 130°) = 180° (<em>Sum of angles in a triangle</em>)

∠q + 65° + 50° = 180°

∠q + 115° = 180°

∠q = 180° - 115°

∠q = 65°

Calculating the measure of angle r

∠r = ∠q (<em>Corresponding angles</em>)

Therefore,

∠r = 65°

Calculating the measure of angle s

∠s + ∠r + 65° = 180° (<em>Sum of angles on a straight line</em>)

∠s + 65° + 65° = 180°

∠s + 130° = 180°

∠s = 180° - 130°

∠s = 50°

Calculating the measure of angle t

∠t = ∠r <em>(Vertically opposite angles</em>)

Therefore,

∠t = 65°

Second diagram

Calculating the measure of angle b

∠b = ∠a <em>(Corresponding angles</em>)

Therefore,

∠b = 64°

Learn more on Calculating the measure of angles here: brainly.com/question/24607467

#SPJ1

6 0
1 year ago
Help fast as you can worth 7 points
attashe74 [19]

Answer:

d

Step-by-step explanation:

6 0
2 years ago
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