3 years ago

What two fractions equal -3/5

Mathematics

1 answer:

Kaylis [27]3 years ago

7 0

Answer:

-6/10 and -12/10 (I think)

Step-by-step explanation:

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Given that 2^x = 7, find the value of 4^x-1.

Helga [31]

$4=2^2\\\\4^x=(2^2)^x=(2^x)^2=7^2=49\\\\4^x-1=49-1=48$

$If\ is\ 4^{x-1},\ then\\\\4^{x-1}=\dfrac{4^x}{4}=\dfrac{49}{4}=12\frac{1}{4}$

$Used:\\\dfrac{a^n}{a^m}=a^{n-m}$

4 0

3 years ago

Anybody know the answer to this

Phoenix [80]

Answer:

$x = 2$

Step-by-step explanation:

The blue line represent the full line length.

We can add the parted black segments together and set it equal to the line.

$11 + 6x - 2 = 6x + 9$

$10x + 1 = 6x + 9$

$10x = 6x + 8$

$4x = 8$

$x = 2$

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3 years ago

I NEED HELP ASAP! : An initial population of 175 quail increases at an annual rate of 22%. Write an exponential function to mode

goblinko [34]

Answer:

About 473 quails.

$P=175(1.22)^t$

Step-by-step explanation:

Exponential equation with $P_0$ as the initial amount and rate of r is:

$P=P_0(1+r)^t$

$P=175(1+.22)^t$

$P=175(1.22)^t$

After 5 years the population will be:

$P=175(1.22)^5$

$P \approx 472.9739$

So the population will be about 473 quails.

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3 years ago

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Sophie [7]

Answer:

Step-by-step explanation:

because it is

6 0

3 years ago

Read 2 more answers

At a competition with 8 runners, 2 medals are awarded for first and second place. Each medal is different. How many ways are the

BigorU [14]

Answer:

Step-by-step explanation:

At a competition, there are 8 runners

2 medals are awared for first and second place

Therefore the eat to award the medal van be calculated as follows

8×7

= 56

3 0

3 years ago