2 years ago

Can anybody help me find what 11x-21=

Mathematics

1 answer:

vfiekz [6]2 years ago

7 0

Piggly wiggly farting piggly wiggly pooping

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If a jar of salad dressing costs $3.99 for 12 Ounces. How much does it cost per tablespoon?

romanna [79]

I ounce is 2 tablespoons so do 12 times 2 and that is 24 then multiply 3.99 times 2 thats your answer 7.98

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3 years ago

Please help!!!!!! Rewrite this equation in terms of y 2x-3y=22

Leona [35]

The answer is y = 2/3x - 22/3

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2 years ago

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What is...a increased by 25%

Gelneren [198K]

Answer:

1..25a

Step-by-step explanation:

a + 25%·a = a(1 + 0.25) = 1.25a

_____

Comment on percentages

The symbol "%" is a shorthand way to write "/100", so 25% = 25/100 = 0.25.

Of course, 100/100 = 100% = 1.

Adding 25% of something to 100% of it gives 125% of it, the original amount multiplied by 125/100 = 1.25.

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3 years ago

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Write the explicit formula that represents the geometric sequence-2, 8, -32, 128

maks197457 [2]

Well, since we know is a geometric sequence, we can always get the common ratio of it by simply dividing one value by the one behind it... so let's do so, with say hmm -32 and 8 -32/8 = -4 <-- our common ratio

the first term is -2

$\bf n^{th}\textit{ term of a geometric sequence}\\\\
a_n=a_1\cdot r^{n-1}\qquad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
a_1=-2\\
r=-4
\end{cases}\implies a_n=-2(-4)^{n-1}$

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3 years ago

Is (3,10) a solution to this system of equations? y=2x+3 y=x+7

Ksju [112]

Answer: no

Step-by-step explanation:

plug in (3,10) to y=2x+3

10=2(3)+3

10=6+3

10 $\neq$ 9

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3 years ago