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3 years ago

DOES ANYONE KNOW THIS? PLEASE HELP

Mathematics

1 answer:

Arada [10]3 years ago

8 0

The rate of change is 2. It’s multiplying by 2.

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A number added to itself twelve times is five more than twice the number. What is the number?

zaharov [31]

$x- \ searching\ number\\\\
x+12x=2x+5\\
13x-2x=5\\
11x=5\ |:11\\
x=\frac{5}{11}\\\\
The\ number\ is\ \frac{5}{11},
$

8 0

3 years ago

Find the number of real number solutions for the equation.

vampirchik [111]

Answer:

x = ±1

Step-by-step explanation:

x² + 0x -1 = 0

x²- 1 = 0

x² = 1

x = ±1

--------------

check

1² + 0x - 1 = 0

1 - 1 = 0

5 0

2 years ago

Find the equation of the line shown

satela [25.4K]

Answer:

x+1

Step-by-step explanation:

5 0

3 years ago

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CAN SOMEONE HELP ME !!!!!!!!!

MissTica

Answer:

She will get 80mg of dextromethorphan and 800mg of guaifenesin. And the bottle last for 6 days approximately.

Step-by-step explanation:

Given that the Robitussin DM contains dextromethorphan 10mg/5mL and gualfenesin 100mg/5mL. And we are also given that Mrs Smith took four doses and each dose is 2 teaspoons=2X5=10mL.

So, four doses=4X10=40mL.

So, dextromethorphan in 4 doses is = $\frac{10}{5}X40=80mg$

And Guaifenesin in 4 doses is = $\frac{100}{5}X40=800mg$

Dosage of medicine daily she has to take=40mL and the bottle contains 237 mL. Hence the number of days bottle last = $\frac{237}{40}=5.925$ ≈6 days approximately.

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3 years ago

emma gave 2/5 of her money and an additional $9 to olivia. she gave 4/7 of her remaining money and an additional $1 to Ava. emma

alexandr1967 [171]

Yo wsp how is it going kane

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3 years ago

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