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sergiy2304 [10]

4 years ago

14

Θ is an acute angle and cosecant theta equals nine halves commacscθ= 9 2, find secant ((pi over 2) minus theta) .sec π 2−θ. do n

ot use a calculator and express

1 answer:

Ronch [10]4 years ago

8 0

?????????IM NOT SUREEEE

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What is the mathematical answer for this matematicas question 5 1/5÷ 1/4

givi [52]

Answer:

Step-by-step explanation:

Convert mixed fraction to improper fraction. Then use KCF method

Keep the first fraction.

Change the division operation to multiplication.

Flip the second fraction

$5\frac{1}{5}=\frac{26}{5}$

$5\frac{1}{5}$ ÷ $\frac{1}{4}$ = $\frac{26}{5}$ ÷ $\frac{1}{4}$

$= \frac{26}{5}*\frac{4}{1}\\\\= \frac{26*4}{5}\\\\=\frac{104}{5}\\\\=20\frac{4}{5}$

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3 years ago

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Solve the following quadratic equation by using the quadratic formula.

Bas_tet [7]

Answer:

B. $\frac{-3}{4}$ ± $\frac{\sqrt{41} }{4}$

Step-by-step explanation:

First, substitute the equation into the quadratic formula.

$x=\frac{b+-\sqrt{(b^{2} )-4(a)(c)} }{2a}$

x= $\frac{-3+-\sqrt{(3)^2-4(-2)(4)} }{4}$

Solve for x.

x= $\frac{-3+-\sqrt{9+32} }{4}$

x= $\frac{-3+-\sqrt{41} }{4}$

The answer is x= $-\frac{3}{4}$ ± $\frac{\sqrt{41} }{4}$

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3 years ago

For each value of u determine it is a solution to 36=47-u u=9 u=11 u =8 u=38

OlgaM077 [116]

Answer:

u=11

Step-by-step explanation:

1. 36=47-9

36≠38

2. 36=47-11

36=36

3. 36=47-8

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4. 36=47-38

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3 years ago

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lesya692 [45]

The answer is x= 6.913

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4 years ago

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Greeley [361]

Answer:

93

Step-by-step explanation:

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3 years ago