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otez555 [7]
3 years ago
14

A kcl elixir contains 10 meq/15 ml the daily dose is 30 meq how many mls are needed for a 30 day supply

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
6 0
First you need to set this problem up as a cross multiply fraction set (actually forgot the name of it so I described it as that).

10/15 * 30/x

Solve for X

450 = 10x

Simplify

45 = x

The Daily dose is 30 meq/45 ml. For a 30 day supply you just multiply by 30.

1350 ml is needed for a 30 day supply.
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I need help with this V-4=v+2+7v-42 ??
zubka84 [21]

Answer:

\boxed{\bold{v \ = \ \frac{36}{7}}}

Step-by-step explanation:

Subtract v from both sides

\bold{v-4-v=v+2+7v-42-v}

Simplify

\bold{-4=2+7v-42}

Switch sides

\bold{2+7v-42=-4}

Group like terms

\bold{7v+2-42=-4}

Subtract the numbers: 2 - 42 = -40

\bold{7v-40=-4}

Add 40 to both sides

\bold{7v-40+40=-4+40}

Simplify

\bold{7v=36}

Divide both sides by 7

\bold{\frac{7v}{7}=\frac{36}{7}}

Simplify

➤ \bold{v=\frac{36}{7}}

5 0
3 years ago
How can i know where to place the first digit of a quotient
Leno4ka [110]
Place it in front of the second digit hopefully that helps I'm sorry I'm really tired
5 0
3 years ago
The height of a triangular window is 3 feet less than its base. The area the window is 20 ft.? find the dimensions of the window
Ivenika [448]

Let us assume base of the window = b feet.

Height is 3 feet less than base, that is = (b-3).

Given area of the triangle = 20 feet square.

We know formula for area of a triangle:

Area = \frac{1}{2} × Base × Height

Plugging values in formula, we get

20 = \frac{1}{2} b \times (b-3)

\mathrm{Multiply\:both\:sides\:by\:}2

40=b\left(b-3\right)

40=b^2-3b

b^2-3b-40=0

Factoring quadratic, we get

\left(b+5\right)\left(b-8\right)=0

b+5=0

b=-5

b-8=0

b=8.

For base we can take only positive value.

<h3>Therefore, base of the triangle = 8 feet and height = 8 -3 = 5 feet.</h3>
6 0
3 years ago
URGENT. Find f(3) if<br> f(x)=x^3 + 2x^2-x-1
KonstantinChe [14]

Answer:

41

Step-by-step explanation:

Jus replace x with 3 and put it in a calculator.

6 0
3 years ago
Read 2 more answers
Harold bought 5 apples for $ 1.30. What is the unit price?
Firdavs [7]
What is unit price?- unit price is the cost of one item(which in this case is an apple)

5 apples- $1.30
1 apple- 1.30 / 5
           = $0.26
7 0
3 years ago
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