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3 years ago

Maleek reads 1/8 of a book each night. How long will it take him to read 3/4 of the book. Explain fully

1 answer:

3 0

The answer is 5 days because....

you need to find a common multiple for the denominator for 1/8 & 3/4. so 2.
and whatever you do to the bottom you do to the top so 1 3X 2 6
- - = -
8 4 X 2 8

So 6/8 to to 1/8 is 5/8 so it will be 5 days

sorry its confusing i hope it helps

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What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?

Serggg [28]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
r=-2\\
n=6\\
S_6=-105
\end{cases}$

$\bf -105=a_1\left( \cfrac{1-(-2)^6}{1-(-2)} \right)\implies -105=a_1\left( \cfrac{1-(64)}{1+2} \right)
\\\\\\
-105=a_1\left( \cfrac{-63}{3} \right)\implies -105=a_1(-21)
\\\\\\
\cfrac{-105}{-21}=a_1\implies 5=a_1$

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3 years ago

PLEASE PLEASE HELP!!!<br> Which of the following is the graph of f(x) = x2 + 3x − 4?

Levart [38]

Answer:

lt is the graph of x2+3x-4

4 0

3 years ago

Read 2 more answers

4. Brett is fencing in a circular patio. The radius of the patio is 70 feet. How many linear feet of

skad [1K]

Answer:

The number of feet of fencing that he needs will be equal to the perimeter of the circular patio.

We know that the perimeter of a circle of radius R is equal to:

P = 2*pi*R

where pi = 3.14

Then if the radius of the patio is 70ft, the perimeter of the patio will be:

P = 2*3.14*70ft = 439.6 ft

Then he needs 439.6 ft of fencing to enclose the patio.

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3 years ago

What times 25 equals 4150?

zhannawk [14.2K]

166, all you have to do is divide 4150 by 25

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3 years ago

In parallelogram ABCD , Angle A = 3x and angle B = x + 40. Find the value of x.

enot [183]

Answer:

x = 35 degrees.

Step-by-step explanation:

These are 2 'same side' interior angles of a parallelogram whose sum is 180 degrees.

So we have th equation:

3x + x + 40 = 180

4x = 180 - 40

4x= 140

x = 140 / 4 = 35 (answer)>

7 0

3 years ago