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andre [41]
3 years ago
6

If the sin 90° is 1, then the cos ____ °= _____.

Mathematics
2 answers:
borishaifa [10]3 years ago
5 0
Maybe:
Cos90=0
I’m not sure of the question here
Dahasolnce [82]3 years ago
5 0

we know that cosine of 90 is 1 and not square root 3 over 2.

The answer: cosine of zero is 1.

Hope this helps!

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The legs of a right triangle are 3 and 4 inches long how long is the hypotenuse
nataly862011 [7]
In the right angled triangle, a hypotenuse is the longest line of the triangle and is always the one that is opposite the right-angle of the triangle.
If your triangle is a right angled triangle, the simplest way is to use the Pythagora's Theorem to find the length of the hypotenuse. The formula for which is
a² + b² = c²  where c is the unknown hypotenuse and a and b are the other two sides.
<span>Using this formula,
3</span>² + 4² = c²
9 + 16 = c²
25 = c²
√25 = √c²
5 = c which if you notice is also the lengthiest .
3 0
3 years ago
Charlotte is running a rate of 9 km per hour. What is her rate at meters per second?
Alenkinab [10]
1 km = 1000 meters and 1 hour = 3600 seconds.

9x1000= 9000

9000/3600= 2.5


Your answer would be 2.5 meters per second.
8 0
3 years ago
Write 3.7777... As a mixed number
hichkok12 [17]

Answer:

3  7777/10000

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Find the relationship between the number of movie tickets sold and number of available seats
densk [106]
The relationship is negative 4 
8 0
3 years ago
A number line going from negative 3 to positive 5. a closed circle is at negative 1.5. everything to the left of the circle is s
algol13

The inequalities which matches the graph are: x ≥ ₋1.5 and ₋1.5 ≤ x

Given, a number line is moving from ₋3 to ₊5 .

Next a mark is made at ₋1.5 and everything to its left is shaded which means not visible.

When we mark the point and shade the left part of it then we can start applying the inequality expressions.

And from that we can match the applicable inequalities while observing the graph.

  • For the first inequality ₋1.5 ≥ x.Here,x value ranges from ₋1.5 to ₊5, hence we take this as an inequality expression.
  • Next, if we consider x ≤ ₋1.5, then here x value will range from ₋1.5 to ₋3. where the region is shaded. Hence this expression doesn't satisfy the graph.
  • the next expression is ₋1.5 ≤ x. here the value will again range in the shaded area so it is not applicable.
  • ₋1.5 ≥ x, here the values will satisfy the graph.
  • remaining inequality expressions does not support the graph.

Therefore the only inequalities the graph represents is  x ≥ ₋1.5 and ₋1.5 ≤ x

Learn more about "Linear Inequalities" here-

brainly.com/question/371134

#SPJ10

5 0
1 year ago
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