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3 years ago

9

Can someone please solve this question? Solve for X and Step by Step. Thank You!

1 answer:

Naddik [55]3 years ago

5 0

Answer;
X=6

Explanation
1. Find what’s on both sides
6x -9. And 4x +3

2. Turn into equation to do that you need to put a equal sign in between
6x-9=4x+3

3. Solve

6x-9=4x+3
-4x+9 -4x +9
__________
2x=12
— —
2 2

X=6

Explanation for solving you want your numbers on one side and x’s on the other so for positive numbers I subtract and for negative numbers you add, u only have to move one x and 1 number after simplified. Then you take the number (if one ) next to x and divide it on both sides since it’s multiplication. Then you get your answer

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The half price of helium-5 is 7.6 X 10 to the power of negative 22 seconds and the half-life helium -9 is 7 x 10 to the power of

Digiron [165]

Answer:

Approximately 9.211 times

Step-by-step explanation:

Given

$x = 7.6 * 10^{-22}s$ --- half life of helium-5

$y = 7 * 10^{-21}s$ --- half life of helium-9

Required

How many times greater is y than x

To do this, we simply divide y by x

$\frac{y}{x} = \frac{7 * 10^{-21}s}{7.6 * 10^{-22}s}$

$\frac{y}{x} = \frac{7 * 10^{-21}}{7.6 * 10^{-22}}$

Apply law of indices

$\frac{y}{x} = \frac{7 * 10^{-21--22}}{7.6}$

$\frac{y}{x} = \frac{7 * 10^{-21+22}}{7.6}$

$\frac{y}{x} = \frac{7 * 10}{7.6}$

$\frac{y}{x} = \frac{70}{7.6}$

$\frac{y}{x} = 9.211$

5 0

3 years ago

Plsss help i really need help

Zepler [3.9K]

For the ratio hearts to clubs it’s 5:4
For the ratio clubs to hearts it’s 4:5
For the ratio hearts to total is 5:9 I hope this helps :)

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3 years ago

Read 2 more answers

The midpoint of 6.55

antoniya [11.8K]

Answer: 0.0655

Step-by-step explanation: if you divide 6.55 by 100, you I’ll get 0.0655 .

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3 years ago

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Find the area of the figure. Use 3.14 for pie . Round your answer to the nearest tenth.

gizmo_the_mogwai [7]

Answer:

538.3

Step-by-step explanation:

First of all find the area of the rectangle

L*W

15*30

450

Now find the area of semi circle

1/2 $\pi r^{2}$

Since radius is half a diameter divided 15 by 2=7.5

1/2 $\pi 7.5^{2}$ 7.5 times 7.5= 56.25

1/2*3.14*56.25

56 times 3.14 is 176.625 now multiply 176.625 by 1/2

Answer is 88.3125

Now add 450 to 88.3125

Final answer: 538.3125

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3 years ago

**HELP!!!!** ILL GIVE BRAINLIEST

Step2247 [10]

The value of n such that the number n and -3/4 are additive inverses is 3/4

<h3>How to determine the value of n?</h3>

The statement is given as:

The number n and -3/4 are additive inverses

The above statement means that

n = -1 * -3/4 --- by the definition of additive inverses

Next, we evaluate the product of -1 and -3/4

n = 3/4

Hence, the value of n such that the number n and -3/4 are additive inverses is 3/4

Read more about additive inverses at

brainly.com/question/1548537

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2 years ago