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Natalija [7]
3 years ago
9

PLS SOLVE THESE QUESTIONS WITH EXPLAINATION

Mathematics
1 answer:
Klio2033 [76]3 years ago
5 0

Answer:

a) 36

b) 20

c) 6

Step-by-step explanation:

Given Formula:

\frac{1}{2}(b x h)

Steps for A:

\frac{1}{2}(12 x 6)

12 x 6 = 72

72 ÷ 2 = 36

Steps for B:

\frac{1}{2}(10 x 4)

10 x 4 = 40

40 ÷ 2 = 20

Steps for C:

\frac{1}{2}(3 x 4)

3 x 4 = 12

12 ÷ 2 = 6

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The area of circle is 770cm^2then find its circumfrence​
Gala2k [10]

Answer:

The circumference is 98.39 centimeters (rounded to 2 decimal places)

Step-by-step explanation:

The area of a circle has the formula  \pi r^2

The circumference of a circle has the formula  2\pi r

First, let's find r from area given:

\pi r^ 2= 770\\r^2 = \frac{770}{\pi}\\r=\sqrt{\frac{770}{\pi}} \\r=15.66

Now, we can use this value of r and plug in into the formula for circumference. Shown below:

2\pi (15.66)\\=98.39

The circumference is 98.39 centimeters (rounded to 2 decimal places)

6 0
3 years ago
Quick question:)))
Mrrafil [7]

First and foremost is the vertex, which is either the highest point or the lowest point of the parabola (which’s is what the graph of a polynomial looks like). From the vertex, you can always determine the next two points closest to the maximum/minimum.

Another key feature includes the y-intercepts, which are important if you want to find the zeros of the polynomial. Sometimes, the x-intercepts may come in handy as well, but not as often as the y-intercepts.

7 0
3 years ago
Y=3x-8 but graphing please I’m in the middle of a test
faltersainse [42]

Answer:

Step-by-step explanation:

The x intercept is at -8 and the slope is 3x that means go over three and down one every time and the forms your line

8 0
3 years ago
What is a way to wright 100,000 using exponents
Oxana [17]
We have to wright 100,000 using exponents. The exponent of number shows how many times you use the number in multiplication.
For example: 64 = 8², because: 64 = 8 · 8or: 64 = 4³, because 64 = 4 · 4 · 4  In this case:100,000 = 10 · 10 · 10 · 10 · 10Therefore:100,000 = 10^5 ( or "10 to the fifth power" )Answer: 10^5.

3 0
4 years ago
Which of the following is equivalent to 5 • (7 • 4)?
serg [7]

Answer:

Its (5 x 7) x 4

Step-by-step explanation:

5 x (7 x 4)

5 x (28)

140

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

(5 x 7) x 4

(35) x 4

140

4 0
3 years ago
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