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neonofarm [45]
3 years ago
10

Find the volume of the sphere in terms of .

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
7 0

Answer:

its 69

Step-by-step explanation:

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-52 times the difference a number and 97 is equal to the number plus 39
VLD [36.1K]
-52 (x - 97) = x + 39

-52x + 5,044 = x + 39
+52x              +52x

5,044 = 53x + 39
-39               - 39

5,005 = 53x
____    ____
53x       53x

94.43 = x
8 0
3 years ago
Inverse of f(x)=(4x-7)1÷3
stepan [7]
231234 is answer                                                                                                                                                                                                                                                                                                                                               J                                                                                                                                K
7 0
3 years ago
In a right triangle ABC,right angled at B,the ratio of AB to AC is 1:root 2.Find the value of 2tanA/1-tan square A
Helen [10]
Since we know that ratio of AB : AC is 1 : √2, then we can more or less use those values for the sides, check the picture below.

so we're really looking for tan(2A).  Let's bear in mind that tan²(θ) is just another way to write [ tan(θ) ]².

\bf \stackrel{\textit{Double Angle Identities}}{tan(2\theta)=\cfrac{2tan(\theta)}{1-tan^2(\theta)}}\\\\
-------------------------------\\\\
tan(2A)=\cfrac{2tan(A)}{1-tan^2(A)}\implies \cfrac{2\left( \sqrt{2} \right)}{1-(\sqrt{2})^2}\implies \cfrac{2\sqrt{2}}{1-2}\implies -2\sqrt{2}


8 0
4 years ago
What is y=1/2x+4 in standard form?
zhuklara [117]
<h3>Answer:  x-2y = -8</h3>

===========================================

Explanation:

Multiply both sides by 2 to clear out the fraction

y = (1/2)x+4

2y = 2[ (1/2)x + 4 ]

2y = 2*(1/2)x + 2*4

2y = x + 8

Then move the x term over to the left side

2y = x+8

2y-x = 8

-x+2y = 8

Optionally we can multiply both sides by -1

-x+2y = 8

-1*(-x+2y) = -1*8

x-2y = -8

This is in standard form Ax+By = C with A = 1, B = -2, C = -8

The reason why I multiplied both sides by -1 was to make A > 0 which is what some textbooks use as convention. Of course -x+2y = 8 is equally valid too.

8 0
3 years ago
Emily rented a bike from kaylas bikes. It cost $15 plus $5 per hour.
crimeas [40]

Answer: 7 hours.

Step-by-step explanation:

The rental price is 15. Add 5 per hour (5x) and the total must be equal to $50

15+5x=50

Solve for x;

5x=50-15\\5x=35\\x=\frac{35}{5}\\ x=7

4 0
3 years ago
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