HELP!!! Choose the best answer.

Answer: The answer will be 3 if not I'm wrong sorry.

Step-by-step explanation:

An ecosystem is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system. These biotic and abiotic components are linked together through nutrient cycles and energy flows

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Answer:

answer in the screen shot provided

Answer:

I don't know sorry I ain't smart

Answer:

The missing angle is 50

Step-by-step explanation:

40 + 90 + x = 180

x = 180 - 90 - 40

x = 50

The missing angle is 50.

thenks and mark me brainliest :))

After answering the query, we may state that area of shaded region = 100.48-64 =  36.48 sq cm.

Each point in the plane that is a certain distance from the centre (another point) forms a circle. Thus, it is a curve composed of points whose are separated from another point in the plane by a certain distance. Additionally, at every angle, it is alternately symmetric about the centre. The closed, two-dimensional plane of a circle has every pair of points equally separated from the "centre." By drawing a line through the circle, one may create a line of circular symmetry. Additionally, at every angle, it is rotationally equal about the Centre.

here, by Pythagoras theorem

diagonal =  [tex]\sqrt(8^2 + 8^2) = \sqrt(64+64) = \sqrt(128) = 8\sqrt2[/tex]

radius = [tex]4\sqrt2[/tex]

area of circles = [tex]\pi r^2 = 3.14 * (4\sqrt2)^2 = 100.48 cm^2[/tex]

area of square = 8*8 = 64 sq cm

area of shaded region = 100.48-64 =  36.48 sq cm.

To know more about circle visit:

https://brainly.com/question/29142813

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Answer:

The height of any right triangle is just simply the many units that are going up but it has to start from the right angle and upwards and that would be your height.

It may already give you a height so there is no need to worry if so.

Here, in this case the side on the very left is my height:

Answer:

Use Pythagorean Theorem

Step-by-step explanation:

a²+b²=c²

You need to find the height, which means you have a and c. You square a and c, subtract a from c, then find the square root of that difference. Now you have b.

EXAMPLE:

a=3, c=6

3²+b²=6²

9+b²=36

-9        -9

b²=27

sqrt of 27 is 5.2. So the side is 5.2

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hope it helps

Answer: I believe it's 6 5/8

Step-by-step explanation:

Answer:

2.41 * n = y

Step-by-step explanation:

From the table, we can notice that the value;

y/n is a constant for each of the rows

this represents the individual costs of each of the books

So, we have it that;

7.23/3 = 4.82/2 = 9.64/4 = $2.41

So, the books have a unit cost of $2.41

Hence, by multiplying the number of books n by 2.41 we can get the cost y

So mathematically, we have the relation as;

2.41 * n = y

Answer:

C

Step-by-step explanation:

C. 2.41 × n = y

Answer: 41,224

Step-by-step explanation:

( 80/100) × A = ( 40/100 ) × B

Divide both sides by 40/100

( 80A/100 )÷( 40/100 ) = ( 40B/100 )÷(40/100 )

2A = B

Divide both sides by A

2A ÷ A = B ÷ A

2 = B/A

B/A = 2 × 100

B/A = 200 %

Answer:

200%

Step-by-step explanation:

Because I answered the question correctly.

Answer:

r = 9

Step-by-step explanation:

[tex] In\: \odot O, [/tex] QP is tangent at point P and OP is radius.

[tex] \therefore OP\perp QP[/tex]

[tex] \therefore m\angle OPQ = 90\degree [/tex]

So, [tex] \triangle OPQ[/tex] is a right angled triangle. Hence, OQ will be its HYPOTENUSE such that OQ = r + 32

Now, by Pythagoras theorem:

[tex] OQ^2 = OP^2 + PQ^2 [/tex]

[tex] \therefore (r + 32)^2 = r^2 + (40)^2 [/tex]

[tex] \therefore\cancel {r^2} + 64r + 1024 = \cancel {r^2} + 1600 [/tex]

[tex] \therefore 64r = 1600-1024 [/tex]

[tex] \therefore 64r = 576 [/tex]

[tex] \therefore r = \frac{576}{64}[/tex]

[tex] \therefore r = 9[/tex]

Answer:

Jeremiah saved $32....

Answer:

-11

Step-by-step explanation:

8-2x=30

2x=30-8

2x=22

x=22/-2

x=-11

Answer:

-11

Step-by-step explanation:

8-2x=30

-2x=22

-x=11

x=-11

Answer:

Im pretty sure its D A B

Step-by-step explanation:

I am learning about this

Answer:

13. x=180-63=117°

14. y=133°

15. x=77°

Answer:

9y-25

Step-by-step explanation:

Answer:

9y-25

Step-by-step explanation:

Math

Answer: w = 2

Explanation: To find the slope of a line, we use the formula y = mx + b, where m is the slope and b is the y-intercept. Since there is a variable, w, we can use this formula: m = 7 + w.

We know that m, or the slope of the line, is 9. If we substitute the value of 9 into that equation... we should get 9 = 7 + w.

It's simple mathematics from here.

7 plus what is 9?? 2. That's your answer. If you need help with slope-intercept and rate of change WITHOUT variables (besides x and y, of course), feel free to let me know!!

Where did I get that 7?

Usually, we use the slope formula to find the slope of a line when we know two points on the line. But if we already know the slope of a line, we can use the slope formula to find a missing coordinate of a point on the line.

We will be using this formula: y - y₂ = m(x - x₁)

This equation is useful when we know:

and we want to find the other point.

(x₁, y₁) is the known point. In our example, it's (-7,-7).

(x, y), sometimes written as (x₂,y₂), is (-6, w) and represents the missing coordinate.

EXAMPLE (SEE IMAGE):

slope (m) = 3

y − y1 = m(x − x1)

We know m, and also know that (x1, y1) = (3,2), and so we have:

y − 2 = 3(x − 3)

That is a perfectly good answer, but we can simplify it a little:

y − 2 = 3x − 9

y = 3x − 9 + 2

y = 3x − 7

EXAMPLE IMAGE:

Answer:

x=4, x=-1/2

Step-by-step explanation:

https://www.symbolab.com/solver/factor-calculator/factor%202x%5E%7B2%7D%20-%207x%20-%204%20%3D%200

Answer:

See below for answers and explanations (along with a graph)

Step-by-step explanation:

X-intercepts:

2x²-7x-4=0

(2x+1)(x-4)=0

2x+1=0 and x-4=0

x=-1/2 and x=4

Axis of Symmetry:

x=-b/2a

x=-(-7)/2(2)

x=7/4

Vertex:

f(x)=2x²-7x-4

f(7/4)=2(7/4)² - 7(7/4) - 4

f(7/4)=2(49/16) - 49/4 - 4

f(7/4)=98/16 - 196/16 - 64/16

f(7/4)=-162/16

(h,k) = (7/4,-81/8)

Refer to graph to see these visually

Answer:

Hello

Step-by-step explanation:

Nice to meet you. Welcome to Brainly where you can get points by answering different questions. You can also ask your own questions and it will be answered by thousands of Brainly users around the world. Enjoy!

Answer:

Welcome to Brainly. I hope you enjoy your stay.

Answer:

Ours is today. Feels weird how we came a long way with the pandemic presiding our academic studies.

Step-by-step explanation:

Answer:

Y=2x+2

Step-by-step explanation:

Y=0.5x-1

To find inverse, switch and y

x=0.5y-1

0.5y=x+1

Y=2x+2

Answer:

f −1(x)=2x+2

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Step-by-step explanation:

Answer:

it should be -8 and -65 you would use parentheses first then you would have the negative integers in it's place

Answer:

35

Step-by-step explanation:

2 x 7 = 14

5 x 7 = 35

Answer:B.36

Step-by-step explanation:

Given that

A(n)=-9+5(n-1)

The 10th term will be

A(₁₀)=-9+5(10-1)

A(₁₀)=-9+5(9)

A(₁₀)=-9+45

A(₁₀)=36

Answer:

I think the answer is $4.92.

Step-by-step explanation:

Although the answer seems a little unreasonable, I think this is the answer:

$82 * 60% = $49.2

49.2 * 10% = $4.92

Please mark brainliest if correct!!!!!!!!!!!!!!! have a nice day!!

Answer:

B

Step-by-step explanation:

There are 24 hours in a day.

24/2=12

24+12=36

0.325*36=11.7

pls brainliest

Answer:

B

Step-by-step explanation:

Answer:

[tex]m(DAB)=228^o[/tex]

[tex]m[/tex]∠[tex]BCD=48^o[/tex]

[tex]m[/tex]∠[tex]ABC=123^o[/tex]

Step-by-step explanation:

[tex]Given:[/tex]

m∠BAD=66°

m BD =2(m∠BAD)

= 2(66)

m BD=132°

m DAB= 360° - 132°

m(DAB) = 228°

-------------------

m∠BCD= 1/2(m DAB -m BD)

= 1/2(228- 132)

m∠BCD= 48°

-------------------

m∠ABC= 360-(66+48)/2

= 360 -114/2 = 246/2

m∠ABC=123°

----------------------------------

hope it helps...

have a great day!!

Answer:

36

Step-by-step explanation:

We can make an algebric equation.

2x+3x=90

5x=90

x=18

Since we wanna find the boys, we multiply the boys ratio with our x value.

2x=2•18=36 boys

Answer:

y = 42

Step-by-step explanation:

y = x^2 – 7

Let x=7

y = 7^2 – 7

y = 49 -7

y = 42