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3 years ago

7/9 as a decimal please

Mathematics

2 answers:

ziro4ka [17]3 years ago

7 0

Answer:

0.77777778

Step-by-step explanation:

...

gregori [183]3 years ago

7 0

Hi there!

$\frac{7}{9} = 0.77777778$

Hope this helped you!

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What are the sine cosine and tangent of theta=7pi/4 radians

FrozenT [24]

Answer:

see explanation

Step-by-step explanation:

$\frac{7\pi }{4}$ is in the fourth quadrant

Where sin and tan are < 0 , cos > 0

The related acute angle is 2π - $\frac{7\pi }{4}$ = $\frac{\pi }{4}$

Hence

sin([ $\frac{7\pi }{4}$ ) = - sin( $\frac{\pi }{4}$ ) = - $\frac{1}{\sqrt{2} }$ = - $\frac{\sqrt{2} }{2}$

cos( $\frac{7\pi }{4}$ ) = cos( $\frac{\pi }{4}$ ) = $\frac{\sqrt{2} }{2}$

tan( $\frac{7\pi }{4}$ = - tan( $\frac{\pi }{4}$ = - 1

6 0

3 years ago

Read 2 more answers

a student showed the steps below while solving the equation 14=log5(2x-3) by graphing. which step did the student make the 1sr e

mixer [17]

Answer:

$x= \frac{5^{14}+3}{2}$

Step-by-step explanation:

The correct steps to solve the equation are:

$14=log_5(2x-5)$

$5^{14}=5^{log_5(2x-3)}$

Because $a^{log_am}=m$

So, solving we get:

$5^{14}=2x-3$

Sum 3 on every side:

$5^{14}+3=2x-3+3\\5^{14}+3=2x$

Dividing by 2 into both sides:

$\frac{5^{14}+3}{2}=\frac{2x}{2}\\\frac{5^{14}+3}{2}=x$

So, the answer is $x= \frac{5^{14}+3}{2}$

7 0

3 years ago

Find the highest common factor (HCF) of 72 and 98.

Y_Kistochka [10]

Answer:

2

Step-by-step explanation:

The factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72

The factors of 98: 1, 2, 7, 14, 49, 98

Your greatest common factor is 2.

Hope this helps. Have a nice day.

3 0

3 years ago

Write an expression that is equivalent to three over four(5z + 16).

klio [65]

Your answer is B. Using the distributive property, 3/4 • 5z equals 15/4z, which can't be simplified. Then 3/4 of 16 is 12. If you divide 16 by 4 (the denominator) and then multiply by 3 (the numerator) that yields your answer.

8 0

3 years ago

What is the solution to log 25x = 3?

MrMuchimi

$\log(25x)=3\\10^3=25x\\25x=1000\\x=40$

5 0

3 years ago