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3 years ago

Evaluate without using a calculator sin(90-x)cos(180-x)+tanx.cos(-x)sin(180+x)

Mathematics

1 answer:

loris [4]3 years ago

7 0

1000000

Step-by-step explanation:

son mil ovhomil

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Simplify. (-2)^-3 <br> ?????

Licemer1 [7]

Remember
$(ab)^c=(a^c)(b^c)$ and
$x^{-m}= \frac{1}{x^m}$
so
$(-2)^{-3}= \frac{1}{(-2)^3}= \frac{1}{(-1)^3(2)^3}=\frac{1}{(-1)(8)}=\frac{1}{-8}=\frac{-1}{8}$

3 0

3 years ago

What is 1+1 equal? Oh my I am so rich in points I can just spend my way to having someone answer it for me!

jolli1 [7]

Answer:

x=2

Step-by-step explanation:

1 is = 100%, or 10/10, 1/1, and 1.00

if we have a double of 1, we would double, now 1 and 1=200% 20/10, 2/1, 2.00

turning these franction into whole numbers we will now have

$2\frac{0}{10}$ $2\frac{0}{1}$

so now we have our answer, which is 2

now lets learn 1+1 as pi-

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3 years ago

Determine the slope between the points (-1, -5) and (5, 4)

Basile [38]

Answer:

Slope = 9/6

Step-by-step explanation:

Step 1: We have formula to find the slope if we are given two point.

<h3>slope = $\frac{(y2 - y1)}{(x2 - x1)}$ </h3>

Given points (-1, -5) and (5, 4)

Here x1 = -1, y1 = -5 and x2=5 and y2 = 4

Step 2: Plug in those values into formula and simplify.

Slope = (4 - (-5)) / (5 - (-1))

= (4 + 5)/(5 + 1) -(-5)= 5 and -(-1) = 1

Slope (m) = 9/6

Thank you.

Hope you will understand this.

4 0

3 years ago

Tell whether −2 is a solution of the inequality. 8−2x<12

kolbaska11 [484]

Answer:

Step-by-step explanation:

8−2x<12

Subtract 2 from each side

8-8−2x<12-8

-2x <4

Divide each side by -2, remembering to flip the inequality

-2x/-2 >4/-2

x > -2

Is -2 a solution

-2 >-2

This is false, it is equal

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3 years ago

An expert shot bits the target 95% of the time. What are the probabilities that he will miss the target: at least one time durin

Mkey [24]

If he hits the target 95% of the time, then you could say that he has a probability of 0.95, or 95% of hitting the target. Let p = the probability of hitting the target or p = 0.95. So you are interested that he misses the target at least once - this could be thought of as not getting a perfect score. So to get a perfect score, it is 0.95 for each target -- 0.95^15 for 15 targets is 0.464. Thus to miss at least one target he needs to NOT have a perfect score -- 1 - 0.464 = 0.536, or 53.6% of happening. Enjoy

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3 years ago

Evaluate without using a calculator sin(90-x)cos(180-x)+tanx.cos(-x)sin(180+x)​

Evaluate without using a calculator sin(90-x)cos(180-x)+tanx.cos(-x)sin(180+x)