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3 years ago

I need help with this please! ASAP (PLEASE MULTIPLY AND SIMPLIFY COMPLETELY)

Mathematics

2 answers:

ivanzaharov [21]3 years ago

7 0

Answer:

6/25

Step-by-step explanation:

Katyanochek1 [597]3 years ago

6 0

Answer:

The answer is B 6/25

Step-by-step explanation:

ITs B because you would first get 12/50 and then just simplify it by even numbers.

hope I helped. :)

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How much must be added to each of the three numbers 1, 11, and 23 so that together they form a geometric progression?

Sliva [168]

Answer:

Step-by-step explanation:

Let x be unknown number which should be added to numbers 1, 11, 23 to get geometric progression. Then numbers 1 + x, 11 + x, 23 + x are first three terms of geometric progression.

Hence,

$b_1=1+x\\ \\b_2=11+x\\ \\b_3=23+x$

and

$b_2=b_1\cdot q\Rightarrow 11+x=(1+x)q\\ \\b_3=b_2\cdot q\Rightarrow 23+x=(11+x)q$

Express q:

$q=\dfrac{11+x}{1+x}=\dfrac{23+x}{11+x}$

Solve this equation. Cross multiply:

$(11+x)^2=(1+x)(23+x)\\ \\121+22x+x^2=23+x+23x+x^2\\ \\121+22x=23+24x\\ \\22x-24x=23-121\\ \\-2x=-98\\ \\2x=98\\ \\x=49$

5 0

3 years ago

What is bigger, 3/4 or 2/3

valentina_108 [34]

If you split a circle in to 4, and color in 3 of the 4 pieces you will find that 3/4 are bigger than 2/3

6 0

4 years ago

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Pleaseeee help i don't understand how to do this

den301095 [7]

Answer:

$x=\frac{5}{k}$

Step-by-step explanation:

Given expression is,

$\text{log}_{3^k}243=x$

By using the law of logarithm,

$(3^k)^x=243$

$3^{kx}=243$

$3^{kx}=3^5$

By comparing exponents on both the sides of the equation,

$kx=5$

$x=\frac{5}{k}$

Therefore, $x=\frac{5}{k}$ will be the answer.

7 0

3 years ago

What is the slope of the line?<br> -4x+7=2y-3

BigorU [14]

Answer: -2

In order to find the slope of this equation you must put it into slope form which is y=mx+b
Solved: y= -2+5
M is the slope

8 0

3 years ago

Can you help me what is 8242/68

Lina20 [59]

Answer:

121.205882353

Step-by-step explanation:

Put it in a calculator

4 0

3 years ago

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