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swat32
3 years ago
6

Evaluate the function x=2 g(x)=-4x

Mathematics
1 answer:
ANTONII [103]3 years ago
8 0

Answer:

g(2)= -8

Step-by-step explanation:

g(2)= -4(2)

g(2)= -8

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Please help I only have 2 more trys.​
andrezito [222]

Answer:

Question 1: -2xy + 7x

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Question 3: -e + 10k and 10k -e

Question 4: x = -3

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Help with this number 3)is 2×=-8
IRISSAK [1]
2x= -8
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After breaking your penny bank, you notice that you have $4.87 in quarters ($0.25), dimes ($0.10), nickels ($0.05), and pennies
ira [324]

Answer: Option 'c' is correct.

Step-by-step explanation:

Let the number of dimes  be 'x'.

Let the number of nickels  be '\dfrac{3}{2}x'.

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Let the number of quarters be '3x-34'.

As we know that

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1 dime = $0.10

1 nickel = $0.05

1 penny = $0.01

According to question, we get that

0.10x+0.05\times \dfrac{3x}{2}+0.01\times 3x+0.25(3x-34)=4.87\\\\0.10x+0.075x+0.03x+0.75x-8.5=4.87\\\\\\0.955x=4.87+8.5\\\\0.955x=13.37\\\\x=\dfrac{13.37}{0.955}\\\\x=14

So, the number of pennies is given by

3x=3\times 14=42

Hence, Option 'c' is correct.

3 0
3 years ago
Can a quadrilateral be both a rectangle and a rhombus
Margarita [4]

Answer:

no, a rectangle must have 4 right angles and opposite sides are congruent

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Step-by-step explanation:

8 0
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Answer:

Here is the rule: when a and b are not negative

√(ab) = √a × √b

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In other words 2 x 4 = 8 = √2 x 4 but 4 can be simplified more (2 x 2) so 2 (previous 4) moves to the left of the square root leaving  2√2

To simplify a square root: make the number inside the square root as small as possible (but still a whole number)

or you can use a simplifying square root calculator.

8 0
3 years ago
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