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2 years ago

What is the product of 845 x 58??? (I’m bad at multiplication ;-;)

Mathematics

2 answers:

pentagon [3]2 years ago

8 0

Hi there!

845 * 58 = 19010

Hope this helps!

Nastasia [14]2 years ago

3 0

Your answer is 49,010. If you need any more help or assistance, ask me. I don't mind being your tutor.

- Tyler

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Sqrt of 4a-4 + sqrt of a-1

Monica [59]

$\large\begin{array}{l} \textsf{Simplify the expression (I'm goint to call it E)}\\\\ \mathsf{E=\sqrt{4a-4}+\sqrt{a-1}} \end{array}$

$\large\begin{array}{l} \textsf{So E is a sum of two square roots. Notice that you can factor}\\\textsf{the 4 out on the first one:}\\\\ \mathsf{E=\sqrt{4\cdot a-4\cdot 1}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{4\cdot (a-1)}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{2^2\cdot (a-1)}+\sqrt{a-1}}\\\\ \mathsf{E=\sqrt{2^2}\cdot \sqrt{a-1}+\sqrt{a-1}}\\\\ \mathsf{E=2\cdot \sqrt{a-1}+\sqrt{a-1}} \end{array}$

$\large\begin{array}{l} \mathsf{E=2\cdot \sqrt{a-1}+1\cdot \sqrt{a-1}}\\\\ \mathsf{E=(2+1)\cdot \sqrt{a-1}}\\\\ \boxed{\begin{array}{l}\mathsf{E=3\cdot \sqrt{a-1}} \end{array}} \end{array}$

If you're having problems understanding this answer, try seeing it through your browser: brainly.com/question/2179170

$\large\textsf{I hope this helps. :-)}$

Tags: <em>square root sqrt simplify expression radical irrational algebra</em>

5 0

2 years ago

Given x+y=8, find y if x =3

Elodia [21]

Plug in x.

3+y=8

Subtract 3 on both sides. (do the inverse of addition; which is subtraction)

y=5

Check your answer.

3+5=8

8=8

That checks out! y is definitely 5.

I hope this helps!
~kaikers

3 0

2 years ago

Read 2 more answers

The population (in millions) of a certain country t years after 1900 is given by the function p(t). There were 420 million in 19

gladu [14]

Answer:469 million

Step-by-step explanation:

Given

The population of a country at t=1900 is 420 million

and P'(t) is a constant therefore P(t) is a linear function of time

assuming P(t)=7t +c

at t=0 i.e. 1900 at starting Point P(t)=420 million

i.e.

$420=7\times 0+c$

$c=420 million$

Thus $at\ t=7\ year\ later\ i.e.\ 1907$

$P(t)=7\times 7+420=469 million$

Thus at 1907 Population is 469 million

P'(t)=7 indicates that growth rate of Population is constant equals to 7 billion

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2 years ago

Given the relation y=-4x-8, if the input is 2, what is the output

Mice21 [21]

Answer:

y=4x-8

Step-by-step explanation:

that is that givin

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2 years ago

Find three consecutive intgers whose sum is 171

Taya2010 [7]

$x,\ x+1,\ x+2\ \ - three\ consecutive\ integers\\\\Sum\ of\ those\ integers:\\\\x+x+1+x+2=171 \\\\3x=171-3\\\\3x=168\ \ \|:3\\\\x=56\\\\Three\ consecutive\ integers\ which\ sum\ is\
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3 years ago