Please give the right answer and show work if possible

Mathematics

1 answer:

Step2247 [10]3 years ago

6 0

Answer:

Step-by-step explanation:

Sin(∅) = Opposite angle ÷ hypotenuse.

Sin (45) = 7 $\sqrt{2}$ ÷ hypotenuse

hypotenuse = 7 $\sqrt{2}$ ÷ sin(45)

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Keep in mind

sin(45) = √2÷2

*********************

so we have: Hypotenuse = 7√2 ÷ (√2÷2)

Hypotenuse= 14.

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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.

7 0

3 years ago

What is the slope of y=7-3x

Anna [14]

The equation used above is y-intercept form.

ex. y = mx + b

Whatever is in front of the x is your slope.

Your slope is -3

7 0

3 years ago

What multiplies to -4 and adds up to 7?

devlian [24]

The two numbers are (7+ sqrt(65))/2 and (7- sqrt(65))/2

(7+ sqrt(65))/2+ (7- sqrt(65))/2= 7
(7+ sqrt(65))/2* (7- sqrt(65))/2)= -4.

Hope this helps~

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3 years ago

How many twelfths make one whole How many twelfths make one whole

Alenkasestr [34]

Answer:

Step-by-step explanation:

1/12x1/x

1x=12x1

x=12

3 0

3 years ago

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