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lisov135 [29]
3 years ago
10

How to answer this ?

Mathematics
2 answers:
hichkok12 [17]3 years ago
5 0

Answer:

a)3,6,9,12,15,18,24 b)7,14,21,28,35,52,49,56

a)16 b)40 c)24 d)36

Step-by-step explanation:


Lyrx [107]3 years ago
5 0
Those are the answers to the problems

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The formula for the area, A, of a circle is A = πr2 , where r is the circle’s radius, and the formula for the circumference, C,
Xelga [282]

A circle is a two-dimensional line that forms a closed loop, where every point on that loop is an equal distance from the center.[1] The circumference (C) of a circle is its perimeter, or the distance around it.[2] The area (A) of a circle is how much space the circle takes up or the region enclosed by the circle.[3] Both area and perimeter can be calculated with simple formulas using the radius or diameter of the circle and the value of pi.


5 0
3 years ago
Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.
dmitriy555 [2]

see the attached figure to better understand the problem

we have that

cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units

Step 1

<u>Find the value of AC</u>

we know that

in the right triangle ABC

cos (A)=(AC/AB)\\AC=AB*cos(A)

substitute the values in the formula

AC=12*(1/5)\\ AC=2.4\ units

Step 2

<u>Find the value of BC</u>

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}

substitute the values

BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units

Step 3  

<u>Find the value of BD</u>

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

BD^{2} =DC^{2}+BC^{2}

substitute the values  

BD^{2} =2^{2}+11.76^{2}

BD=11.93\ units

therefore

<u>the answer is</u>

the length of BD is 11.93 units

8 0
3 years ago
Read 2 more answers
Write the equation of the line that passes through (3, 4) and (2, –1) in slope-intercept form.
Alona [7]
First find the slope. 4+1/3-2 = 5/1 or 5. Plug in your points to find b. 4=5(3)+b. 4=15+b. b=-11. SO the equation is y=5x-11.
6 0
3 years ago
Needs to be checked......
Eduardwww [97]
You answered correctly.

(a brainliest would be appreciated)
8 0
3 years ago
Read 2 more answers
A rectangle has a height of 52 and a width of 2 + 2. What is the area?
wariber [46]

108

Step-by-step explanation:

because you would have to take the width times the height and that is 52 times 4

7 0
3 years ago
Read 2 more answers
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