2 years ago

Evaluate square root of 24 - x when x = 6 . Write the answer in simplified radical form.?

1 answer:

4 0

So, first we input 6
24 - 6 = 18
So we now need to find the square root of 18
If you're allowed to use a calculator, the square root is 4.242

But if you don't, let's get as close as we can:
√(9 * 2)
Because the square root of 9 is 3:
3 * √2

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If the sin 30=1/2 the cos 60=

PSYCHO15rus [73]

Cos(60) = cos(90 - 30) = sin(30) = 1/2

This should be what you want.

8 0

3 years ago

A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the

forsale [732]

Answer:

option (c) n = 201

Step-by-step explanation:

Data provided in the question:

Standard deviation, s = 5.5 ounce

Confidence level = 99%

Length of confidence interval = 2 ounces

Therefore,

margin of error, E = (Length of confidence interval ) ÷ 2

= 2 ÷ 2

= 1 ounce

Now,

E = $\frac{zs}{\sqrt n}$

here,

z = 2.58 for 99% confidence interval

n = sample size

thus,

1 = $\frac{2.58\times5.5}{\sqrt n}$

n = (2.58 × 5.5)²

n = 201.3561 ≈ 201

Hence,

option (c) n = 201

5 0

2 years ago

This problem is lowkey tricky. Can someone help me out

notka56 [123]

Answer:

x = 10

Step-by-step explanation:

Proof: If a line is parallel to one side of the triangle, then it divides the other two sides proportionally.

6/9 = x/15

9x = 90

x = 10

6 0

1 year ago

Given that ac=22 and bc=7, find ab

Annette [7]

Answer:

I'll look into that answer

8 0

2 years ago

A triangle is inscribed in a rectangle as shown below what is the area of the shaped region

alekssr [168]

Answer:

Step-by-step explanation:

area of rectangle=11×5=55 cm²

area of triangle=1/2×5×3=15/2=7.5 cm²

area of shaded region=55-7.5=47.5 cm²

6 0

2 years ago