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Svet_ta [14]
2 years ago
6

Solve for x. Please helpppp!

Mathematics
1 answer:
Anni [7]2 years ago
4 0

Answer:

Pythagoreas Theorem

Step-by-step explanation:

a^2+b^2=c^2

4^2+b^2=15^2

16+b^2=225

b^2= 209

14.45=b

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

Answer:

She will get <u>80mg</u> of dextromethorphan and <u>800mg</u> of guaifenesin. And the bottle last for <u>6 days</u> 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
Use an equation to find the value of k so that the line that passes through the given points has the given slope. (
shutvik [7]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (4, -4) and (k, -1) and the slope m = 34.

Substitute:

\dfrac{-1-(-4)}{k-4}=34\\\\\dfrac{3}{k-4}=\dfrac{34}{1}\qquad|\text{cross multiply}\\\\34(k-4)=3\qquad|\text{use distributive property}\\\\34k-136=3\qquad|+136\\\\34k=139\qquad|:34\\\\k=\dfrac{139}{34}

3 0
3 years ago
7. JKLM is an isosceles trapezoid.<br> Find the median, ZM, and J.
tester [92]

Answer:

Median is 31, if you are talking about the parallel line in between JK and and ML

8 0
3 years ago
WILL GIVE BRAINLIEST find the y-intercept of the parabo;a y= -33/4 x^2 + 4
valentinak56 [21]

Answer:

The y-intercept is (0, 4)

  1. Since the y-intercept marks the point where x =0, all that you have to do is substitute 0 in for x in the parabola's equation.

Please Mark Brainliest If This Helped!

6 0
2 years ago
If the diameter of a circle is 9 square roots of 2, what is the circumference?
Anna [14]
R = 40.5 m
C = 254.46900494077 m
A = 5152.9973500507 m<span>2</span>
3 0
3 years ago
Read 2 more answers
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