2 years ago

Giving brainlyist to the first person to answer correctly and having a complete answer.

Mathematics

1 answer:

Brums [2.3K]2 years ago

5 0

Answer:

Step-by-step explanation:

2400 dived by 96 is 25

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What are the apparent zeros of the cubic function graphed above? (also if you have the answers to the rest of this test plz send

Mazyrski [523]

The point where a function (for our problem its the cubic function shown)

cuts/crosses the x-axis

and/or

touches the x-axis

is a zero of the function.

From the graph shown, we can clearly see that it cuts the x-axis at -1 and touches the x-axis at 2.

So the zeros are at -1 and 2.

ANSWER: {-1,2}

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3 years ago

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Gelneren [198K]

Report this clown who put the first answer he’s trying to get your ip.

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2 years ago

Daniel wanted to know his approximate score on the final exam for his mathematics class. His professor hinted that his score was

frozen [14]

Answer: 101.69

Step-by-step explanation:

Formula we use to find the z-score :-

$z=\dfrac{x-\mu}{\sigma}$ (1)

Given : $\mu=90$

$\sigma=7$

Daniel's z score : z= 1.67

Let x be the raw score for Daniel's exam grade, then substitute the values of $\mu,\ \sigma\ and \ x$ in (1), we get

$1.67=\dfrac{x-90}{7}\\\\\Rightarrow\ x-90=7\times1.67\\\\\Rightarrow\ x=11.69+90=101.69$

Hence, the raw score for Daniel's exam grade = 101.69

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2 years ago

find the sum of a 9-term geometric sequence when the first term is 4 and the last term is 1,024 and select the correct answer be

olasank [31]

Hello,

$u_{1} =4\\
 u_{2} =4*q\\
 u_{3} =4*q^2\\
...\\

 u_{9} =4*q^8\\\\
==\textgreater\ 4*q^8=1024\\
==\textgreater\ q^8=256\\
==\textgreater\ q=2\mbox{( and there is a problem in the question) } \ or \ q=-2\\
if\ q=2 \ then\ \sum_{i=0}^{8}\ 4*(2)^i= 4*\dfrac{1-2^9}{1-2} =2044\\

if \ q=-2 \ then\ \sum_{i=0}^{8}\ 4*(-2)^i= 4*\dfrac{1-(-2)^9}{1+2} =684\\



$

Answer B (but see the problem)

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2 years ago

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Nookie1986 [14]

The answer should be 6/1 or 6.
I hope this helps.
YOU'RE WELCOME :D

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