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2 years ago

PLEASE HELP I WILL FAIL WITHOUT THIS

Mathematics

1 answer:

max2010maxim [7]2 years ago

7 0

Answer:

In the numbers mumbo jumbo, 76 is the minimum and 89 is the maximum. So it can look like this. (Fig A)

If you understood Fig A, the rest is easy.

There are one 76s, one 77s, four 78s, no 79s, four 80s, five 81s, no 82s, five 84s, four 85s, one 86s, two 87s, one 88s, and two 89s in the mumbo jumbo.

So the completed dot plot would look like Fig B. (I drew this in the computer and the dots aren't presicely balanced, but you'll get the idea)

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What is the seventh term of a sequence whose first term is 1 and whose common ratio is 3?

ikadub [295]

$\bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=1\\
r=3\\
n=7
\end{cases}
\\\\\\
a_7=1\cdot 3^{7-1}\implies a_7=1\cdot 3^6\implies a_7=1\cdot 729\implies a_7=729$

7 0

3 years ago

Write a decimal that is less than 6.73

faust18 [17]

4.2 would be an example, but there are many more. Honestly, it wouldn't matter as long as it was less than 6.73.

3 0

3 years ago

Read 2 more answers

What pattern do you notice in the numbers below?

Kobotan [32]

All of the equations are using the expanded form of exponents.

3 0

2 years ago

Read 2 more answers

What is the difference between the pattern of the numbers -13 -5 and -1

maw [93]

Answer:

in negative numbers the smaller the number the bigger

Step-by-step explanation:

if you would put this from least to greatest the order would be

-1, -5, -13 because negative numbers as the opposite from positive numbers in positive numbers for example 9 and 13. 13 would be bigger just like an alligator would eat the biggest number but for negatives its the same as 6-1 which equals 5. a negative number is like subtraction it just takes away the same number as it is itself from the positive.

for if this isn't the answer you were looking for

4 0

3 years ago

Katie invested a total of $4000, part at 2% simple interest and part at 3% simple interest. At the end of 1 year, the inves

Fiesta28 [93]

Answer:

$3000

$1000

Step-by-step explanation:

the formula for simple interest = principal x time x interest rate

let the amount invested in the 2% investment be a

let the amount invested in the 3% investment be (4000 - a)

(a x 0.02 x 1) + ([4000 - a] x 0.03 x 1) = $90

0.02a + 120 - 0.03a = 90

Collect like terms and solve for a

0.01a = 30

a = $3000

The amount invested in the 3% investment be (4000 - a) = $4000 - $3000 = $1000

7 0

3 years ago