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mezya [45]
3 years ago
9

If sec x = -2 and x is an angle in the second quadrant find tangent

Mathematics
1 answer:
faltersainse [42]3 years ago
6 0

Answer:

ndnvndvkfnvnvndnvnvncxncnnc

Step-by-step explanation:

ndkkvdjv jnfbfbfnbfnvnfncnncvnfnfc

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What is the interquartile range for this set of data?11, 19, 35, 42, 60, 72, 80, 85, 88?
Vladimir [108]
From my  knowledge of what an interquartile range is I have to say the answer to your question is 55.5.
7 0
3 years ago
Enter two million, eighty-seven thousand, three hundred four.
Ede4ka [16]

Answer:

2,087,304..........

8 0
3 years ago
Please help for number 8 I don't understand.
Ksju [112]

Answer:

8a. x = 16√3

8b. y = 8√3

Step-by-step explanation:

8a. Determination of the value of x

Adjacent = 24

Hypothenus = x

Angle θ = 30°

The value of x can be obtained by using cosine ratio as illustrated below:

Cos θ = Adjacent /Hypothenus

Cos 30 = 24 / x

√3/2 = 24/x

Cross multiply

x × √3 = 2× 24

x × √3 = 48

Divide both side by √3

x = 48/√3

Rationalise

x = 48/√3 × √3/√3

x = 48√3 / √3 × √3

x = 48√3 / 3

x = 16√3

8b. Determination of the value of y

Opposite = y

Adjacent = 24

Angle θ = 30°

The value of y can be obtained by using Tan ratio as illustrated below:

Tan θ = Opposite / Adjacent

Tan 30 = y / 24

1 / √3 = y /24

Cross multiply

y × √3 = 1 × 24

y × √3 = 24

Divide both side by √3

y = 24 /√3

Rationalise

y = 24 /√3 × √3/√3

y = 24 ×√3 / √3 × √3

y = 24√3 / 3

y = 8√3

8 0
2 years ago
Rename 7/20 as a percent
igomit [66]

Step-by-Step Explanation:

a) Rename \frac{7}{20} as a percent

\frac{7}{20}\times 100\\\\=7\times 5\\\\=35\%

b) Rename .245 as a percent

.245\times 100\\\\=\frac{245}{1000}\times 100\\\\=24.5\%

c) Rename 28% as a fraction and a decimal in simplest form

28\%=\frac{28}{100}=\frac{7}{4}\text{ as a fraction}\\\\\frac{7}{4}=1.75\text{ as a decimal}

d) Put .367,36.5%, \frac{9}{25} in order least to greatest.

\text{ First we put change all into percent form}\\\\.367\times 100=\frac{367}{1000}\times 100=36.7\%\\\\\frac{9}{25}\times 100=9\times 4=36\%

Now, we have 36.7%, 36.5%, 36%

We have write it in ascending order i.e. least to greatest ,

Here it is,

36%, 36.5%, 36.7%

\frac{9}{25},36.5\%\ and\ .367

7 0
3 years ago
How much larger is 0.30 than 0.3
Xelga [282]
They are both equal because in decimals you can add thousands of zeros and it's still equal.
4 0
3 years ago
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