If f(x) = -x^2 +3x +5 and g(x) = x^2 +2x, which graph shows the graph of (f+g)(x)

Mathematics

2 answers:

uysha [10]3 years ago

4 0

Answer:f=10 and g(x)=4x

Step-by-step explanation:

Vanyuwa [196]3 years ago

3 0

Answer: the answer is the last graph D

Step-by-step explanation:

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The thickness of each type of coin is shown in the table. How much thicker is stack of dollars worth of nickels than a dollars w

Lilit [14]

Let our basis be worth 1 dollar. A nickel's worth is $0.05. In order to come up with $1, the number of nickels should be:

Number of nickels = $1 * 1 nickel/$0.05 = 20 nickels
Thickness of 20 nickels = 20 nickels * 1.95 mm = 39 mm

Let's do the same for the quarters. Each quarter is worth $0.25.

Number of quarters = $1 * 1 quarter/$0.25 = 4 quarters
Thickness of 4 quarters = 4 quarters * 1.75 mm = 7 mm

Find the ratio of the two:
39 mm/7 mm = 5.57

Therefore, a stack of nickels is 5.57 times thicker than a stack of quarters worth one dollar.

7 0

3 years ago

I need the answer ASAP thank you very much!!!!!

umka21 [38]

HI THERE LET ME HELP U WITH YOUR QUESTION

**PERFECT SQUARES ARE POSITIVE INTEGERS**<span>
</span>THE NUMBERS CANNOT INCLUDE ITSELF AND ALWAYS SHOULD HAVE A ONE IN IT.

2.89 AND 0.004 ARE PERFECT NUMBERS. THEY INCLUDE 1 AND THEY DONT INCLUDE ITSELF

HOPE IT HELPS

8 0

3 years ago

X 2x+24<br> Equation <br> Plz help

Nataly_w [17]

Answer:

$x + 2x + 24 = 180 \\ 3x = 180 - 24 \\ 3x = 156 \\ x = 52$