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Natasha2012 [34]

3 years ago

14

show how to multiply 6×298 using friendly numbers and then using properties and mental math. write about which method you like b

etter and why

1 answer:

Ahat [919]3 years ago

6 0

Use a caculatoror. or google

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Given f(x)= 2x^3+kx-1, and x+1 is a factor of f(x), then what is the value of k?

VMariaS [17]

Answer:

put x=-1, and the rest will be easy

5 0

2 years ago

Read 2 more answers

Will mark brainliest plz help!

Elan Coil [88]

Answer:

56

Step-by-step explanation:

hope it helps

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3 years ago

Nat2105 [25]

Answer:

Step-by-step explanation:

<em>The linear equation where:</em>

$\large \boldsymbol {} \sf y=\underbrace{m}_{slope }x \ +\underbrace{b} _{y -intersept}$

Solution :

$\displaystyle \sf \#13. \\\\ 6x-3y=8 \\\\\ -3y=8-6x \\\\y=-\frac{8-6x}{3} \\\\ \boxed{\sf y=2x-2\frac{1}{3} }} \\\\ slope =2 \\\\ y-intersept =-2\frac{1}{3} \\\\-------------$

$\sf \#14 . \\\\\\ 7x=5y+2 \\\\5y=7x-2 \\\\y =\dfrac{7x-2}{5} \\\\ \boxed{\sf y=1,4x-0,4} \\\\slope = 1,4 \\\\y-intersept =-0,4 \\\\---------------$

$\dispalystye \sf \#15. \\\\ -6y+4x=8 \ |\div2 \\\\-3y+2x=4 \\\\ y=-\dfrac{4-2x}{3} \\\\ y=\boxed{\sf \frac{2x-4}{3} } \\\\slope = \dfrac{2}{3} \\\\ y-intersept = -\dfrac{4}{3 }\\\\ -----------------$

$\sf \#16 .\\\\ x+y=2x+3 \\\\y=2x-x+3 \\\\\boxed{\sf y=1\cdot x+3} \\\\slope =1 \\\\y-intersept =3$

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2 years ago

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IgorC [24]

Answer:

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Step-by-step explanation:

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2 years ago

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Artemon [7]

Answer: 5 oz

Step-by-step explanation:

you get more and for the price of 7.35 it’s not worth only getting three oz

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2 years ago