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Ratling [72]
3 years ago
13

HELP WITH THIS QUESTION PLEASE AND THANK YOUU!!!

Mathematics
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

s = 35pi units

We can either leave it with pi in the answer or approximate

s= 109.9557429 units

Step-by-step explanation:

Arc length is found by

s = r * theta where r is the radius and theta is given in radians

Changing the angle from 150 degrees to radians by multiplying by pi/180

150 *pi/180 = 5/6 pi

Now we can use the formula

s = 42 * 5/6 pi

s = 35pi

We can either leave it with pi in the answer or approximate

s= 109.9557429 units

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Complete the square to transform the quadratic equation into the form
faltersainse [42]

The square of a binomial is written like

(x\pm a)^2 = x^2\pm 2ax + a^2

In your case, you have 2ax=-8x, which implies a=-4

So, we want to write

(x-4)^2 = x^2-8x+16

But our left hand side is

x^2-8x-10

If we add 26 to both sides, we have

x^2 - 8x - 10 +26 = 18+26 \iff x^2-8x+16=44 \iff (x-4)^2=44

7 0
4 years ago
What is the following logarithmic equation in exponential form: <br><br> log2(x^4 -3) = 4
Harman [31]

Answer:

2^{4} = x^{4} - 3

Step-by-step explanation:

recall for a logrithimic expression,

log_{b} (c)=a, can be expressed as b^{a}  = c

hence for our question

log_{2} [ (x^4) -3] = 4

can be expressed as

2^{4} = x^{4} - 3

8 0
3 years ago
Given this graph, which equation below would give you this graph?
Shalnov [3]

Answer:

Sally has seven times as many dimes as nickels. Their value is $3.00. How many nickels does she have?

4 nickels

7 nickels

28 nickels

Step-by-step explanation:

7 0
3 years ago
C<br> 3 m<br> 4 m<br> What is the length of the hypotenuse?
ANTONII [103]

Answer:

5 meters

Step-by-step explanation:

The values given, 3 and 4, are the legs a and b. The hypotenuse is the third and longest side, c.

To find the length of the hypotenuse, use the formula a² + b² = c².

Substitute our values for a and b and solve.

a² + b² = c²

3² + 4² = c²

9 + 16 = c²

25 = c²

√25 = √c²

5 = c

The hypotenuse is 5 meters long.

I hope this helps <3

7 0
3 years ago
What 2 over 3 times 3 over 4
maria [59]
It's 6/12 then 1/2. Good luck
3 0
3 years ago
Read 2 more answers
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