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3 years ago

What is the solution of 3/4x + 2x = 44

Mathematics

2 answers:

EastWind [94]3 years ago

7 0

Answer:

Step-by-step explanation:

3/4 x + 2x = 44

3x + 8x = 176

11x = 176

x = 16

dem82 [27]3 years ago

6 0

Answer:

x=16

Step-by-step explanation:

I like to solve things using the computer so here is a picture:

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Write each expression in quadratic form, if possible..<br><br> 5X^4 + 2X^2 - 8

Igoryamba

5X^4 + 2X^2 – 8

Its quadratic form is 5(x²)² +2x² -8

<span>Let be X²=p, so the final expression is 5p²+2p-8</span>

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2 years ago

Geometric Series assistance

Levart [38]

we have been asked to find the sum of the series

$\sum _{n=1}^5\left(\frac{1}{3}\right)^{n-1}$

As we know that a geometric series has a constant ratio "r" and it is defined as

$r=\frac{a_{n+1}}{a_n}=\frac{\left(\frac{1}{3}\right)^{\left(n+1\right)-1}}{\left(\frac{1}{3}\right)^{n-1}}=\frac{1}{3}$

The first term of the series is $a_1=\left(\frac{1}{3}\right)^{1-1}=1$

Geometric series sum formula is

$S_n=a_1\frac{1-r^n}{1-r}$

Plugin the values we get

$S_5=1\cdot \frac{1-\left(\frac{1}{3}\right)^5}{1-\frac{1}{3}}$

On simplification we get

$S_5=\frac{121}{81}$

Hence the sum of the given series is $\frac{121}{81}$

5 0

3 years ago

Hey I need some help!! Does anyone mind giving me the answers and explain how? I really don’t understand. PS the question is in

Ksenya-84 [330]

Answer:

2x2x2x5

Step-by-step explanation:

2x2x2x5 equals 40

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2 years ago

How to find the Perimeter?

SOVA2 [1]

Answer:

8+2 $\sqrt{20\\}\\$

Step-by-step explanation:

2+2+2+2+ $\sqrt{20\\}\\$ + $\sqrt{20\\}\\$ =8+2 $\sqrt{20\\}\\$

4^2+2^2=h^2

20=h^2

h= $\sqrt{20\\}\\$

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3 years ago

a company uses 6000 gallons of water each month. If they reduce their monthly water used by 12%, how much water will be saved ea

iVinArrow [24]

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3 years ago