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Cloud [144]
3 years ago
8

Which expression is equivalent to sec2x − 1?

Mathematics
1 answer:
hichkok12 [17]3 years ago
6 0
<span><span>tan^2</span>(x) is the answer.</span>
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Find the cost of kg of apples and the cost of an orange using simultaneous equations method:
PtichkaEL [24]
Cost of kg of apples = £1.08
cost of an orange = £0.12
hi, the solution is in the pic below. sorry for the messy working!

6 0
3 years ago
Is 6y − 3x &gt; 9 shaded
bagirrra123 [75]
6y - 3x > 9
-3x > -6y + 9
x < 2y - 3....yes, it is shaded below the line
7 0
3 years ago
How many distinct products can be formed using two different integers from the given set: {–6, –5, –4, –3, –2, –1, 0, 1, 2, 3, 4
zhannawk [14.2K]

Number of distinct products that can be formed is 144

<h3>Permutation</h3>

Since we need to multiply two different integers to be selected from the set which contains a total of 12 integers. This is a permutation problem since we require distinct integers.

Now, for the first integer to be selected for the product, since we have 12 integers, it is to be arranged in 1 way. So, the permutation is ¹²P₁ = 12

For the second integer, we also have 12 integers to choose from to be arranged in 1 way. So, the permutation is ¹²P₁  = 12.

<h3>Number of distinct products</h3>

So, the number of distinct products that can be formed from these two integers are ¹²P₁ × ¹²P₁ = 12 × 12 = 144

So, the number of distinct products that can be formed is 144

Learn more about permutation here:

brainly.com/question/25925367

6 0
2 years ago
The probability of a certain hockey player making a goal after hitting a slap shot is 1/5. How many successful slap shot would y
Ksenya-84 [330]

We know that the probability of a certain hockey player making a goal after hitting a slap shot is \frac{1}{5}.

We need to figure out the number of successful slap shots if she makes 120 attempts?

Since the player is able to make a goal once out of 5 attempts. Therefore, in order to find the number of goals that we can expect the player to make successfully if she attempts 120 slap shots we will multiply the probability with 120.

Number of successful goals = (Probability of making one goal)x(Number of attempts)

Number of successful goals = \frac{1}{5}\times 120 = 24.

Therefore, player will be able to make 24 goals out of 120 attempts.



5 0
3 years ago
Read 2 more answers
Simplify the radical expression sqrt 21y * 5sqrt 49y
olchik [2.2K]
<span>    sqrt 21y * 5sqrt 49y
= sqrt(21y) * 5*7*sqrt(y)
= sqrt(y) [ sqrt(21) * 35 ]         (answer)</span>
3 0
3 years ago
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