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3 years ago

True or false? The most common system of measurement for medication is the metric system.

Mathematics

1 answer:

Rainbow [258]3 years ago

3 0

Answer:

true

Step-by-step explanation:

The metric system is used for most scientific and medical measurements and all pharmaceutical companies now use the metric system for labeling medications.

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Find S5 for a geometric series for which a1=81 and r=1/9.

Minchanka [31]

ANSWER

$S_5=91\frac{10}{81}$

EXPLANATION

The sum of the first $n$ terms of a geometric sequence is given by;

$S_n=\frac{a_1(1-r^n)}{1-r} ,-1$

Where $n$ , is the number of terms and $a_1$ is the first term.

When $n=5$ , we have $a_1=81$ , we get;

$S_5=\frac{81(1-(\frac{1}{9})^5)}{1-\frac{1}{9}}$

$S_5=\frac{81(1-\frac{1}{59049})}{1-\frac{1}{9}}$

$S_5=\frac{81(\frac{59048}{59049})}{\frac{8}{9}}$

$S_5=\frac{7381}{81}$

$S_5=91\frac{10}{81}$

6 0

3 years ago

Enter the value that makes the given equation true. Y+396.23 =574.54

Levart [38]

574.54-396.23= 178.31
So Y=178.31

8 0

3 years ago

WILL AWARD BRAINLIEST

stepan [7]

Answer:

1. a. 3xy²(7x²y³ + 5x - 4y)

2. a. (3x + 2)(5x + y)

3. d. (2a + b)(5x - 4)

Step-by-step explanation:

For #1, your answer was missing an exponent, which I boldfaced. Every term has a y² in common. Then, in numbers 2 and 3, just factor each group one at a time.

Ex: [10ax + 5bx] - [8ay - 4by]

4 0

3 years ago

X/3=-3 can someone help me

laiz [17]

Answer:

x = - 9

Step-by-step explanation:

Given

$\frac{x}{3}$ = - 3 ( multiply both sides by 3 to clear the fraction )

x = - 9

7 0

3 years ago

Please help! Simplify the expression using order of operations:25 - 5 + 36/9 - 6(7)

fgiga [73]

Answer:

-18

Step-by-step explanation:

Follow these steps to get your answer!

Divide 36/9 and multiply -6(7)

25 - 5 + 4 - 42

Subtract 25-5

20 + 4 -42

Add 4 to 20.

24-42

Subtract 42 from 24.

-18

4 0

3 years ago

Read 2 more answers