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3 years ago

HELP PLEASE HURRY... 56 POINTS

Mathematics

2 answers:

GarryVolchara [31]3 years ago

8 0

Answer:

its c

Step-by-step explanation:

10 is the amount that you want to multiply x with, and then add the 8 that it grew in birth

y=10x+8

olchik [2.2K]3 years ago

6 0

Answer:

Step-by-step explanation:

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Evaluate x=2<br> F(x)=2x+4

oee [108]

X=2
F(x)=2(2)+4
f(x)=8

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3 years ago

Antwon makes hot chocolate by mixing 2 cups of milk with 5 tablespoons of cocoa.

Yuki888 [10]

Answer:

2.5 tablespoons of cocoa

Step-by-step explanation:

if 2 cups of milk is originally used then you use 1 well 2 divided by 2 equals 1 and 5 divided by 2 equals 2.5 so you would use 2.5 tablespoons of cocoa

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3 years ago

Mr. Chang wants to retire in 10 years. He deposits $650.00 every three months into his retirement investment account. If the acc

Fittoniya [83]

Answer:

Mr. Chang will have 15714.90 dollars.

Step-by-step explanation:

p = 650

r = $7.8/4/100=0.0195$

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Future value formula is : $p[\frac{(1+r)^{n}-1}{r} ]$

Putting the values in formula we get;

$650[\frac{(1+0.0195)^{20}-1}{0.0195} ]$

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3 years ago

Simplify (–x2 +5) – (3 – 4x2)

lys-0071 [83]

$(-x^{2} +5)-(3-4 x^{2} )$
To simplify this, use the FOIL method. First, Outer, Inner, Last.
First: Multiply the first numbers in each set of parentheses.
$-x^{2} *-3=3 x^{2}$
Outer: Multiply the two outermost numbers in the equation.
$-x^{2} *-4 x^{2} =5 x^{4}$
Inner: Multiply the two innermost numbers in the equation.
$5*-3=-15$
Last: Multiply the last numbers in each set of parentheses.
$5*-4 x^{2} =-20 x^{2}$
Then, we put them all together in an equation, from the highest exponent to the lowest, then highest prefix (number before the variable) to lowest.
$5 x^{4} -20 x^{2} +3 x^{2} -15$
And simplify.
$5 x^{4} -17 x^{2} -15$

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3 years ago

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