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borishaifa [10]
3 years ago
8

????? helllppppp.....

Mathematics
1 answer:
julia-pushkina [17]3 years ago
6 0

Answer:

The answer is : √3/2

Step-by-step explanation:

Sin 60 = √3/2

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Three numbers repeat so there will be three 9's in the denominator.
Tems11 [23]

Answer:

49/99

Step-by-step explanation:

Follow the first hint. Since there are two numbers that are repeating, the numerator will be 49. The denominator will have two nines.

Hope this helps!

6 0
2 years ago
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Sketch the graph of the function
Ostrovityanka [42]
Sent a picture of the solution to the problem (s). I usually graph at least 5 points. Usually one is 0 and I go up from zero and down from zero.

7 0
3 years ago
What is the length of ST?
adell [148]
Hi there!

Since ST is a tangent to the circle, we can use the relationship: tangent squared = external secant segment x entire secant segment.

WORK:
(I will be using x in place of ST)
x^2 = 7(23 + 7)
x^2 = 7(30)
x^2 = 210
x = squareroot(210) or approximately 14.5 inches

Hope this helps!! :)
4 0
3 years ago
Find the value of x pls
Basile [38]

Step-by-step explanation:

As we can see it a right angled triangle

so <y =90°

Now

3x + 11° + 25° + 90° = 180°{being sum of angles of triangle}

3x + 126° = 180°

3x = 54°

X = 18°

6 0
2 years ago
A manufacturer of chocolate chips would like to know whether its bag filling machine works correctly at the 404 gram setting. It
Nezavi [6.7K]

Answer:

There is no sufficient evidence to support the claim that the bags are underfilled

Step-by-step explanation:

We are given;

n = 27 bags

Sample mean;X = 402 gram

Population mean;μ = 404 gram

Variance = 676

We know that, standard deviation(σ) = √variance

Thus;

σ = √676

σ = 26

The hypotheses are;

Null hypothesis; H0: μ = 404

Alternative hypothesis; HA: μ < 404

Let's find the z-score from the formula;

z = (X - μ)/(√σ/n)

z = (402 - 404)/√(26/27)

z = -2.04

From the z-distribution table attached, we have a p-value of 0.02068

This is less than the significance value of 0.01 and thus we will reject the null hypothesis and conclude that there is no sufficient evidence to support the claim that the bags are underfilled

6 0
3 years ago
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