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HACTEHA [7]
3 years ago
8

What does the domain mean for this problem?

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0

Answer:

what problem?

Step-by-step explanation:

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Which expression can be used to convert 22 Australian dollars to US dollars
PolarNik [594]
<h2>Answer</h2>

The expression is

AUD/1.38 = USD

<h2>Explanation</h2>

Step by step conversion is as following;

1 USD = 1.38 AUD, or its reciprocal

Where,

1.38 recent currency rate

AUD = Australian dollar

USD = US dollar

So, by rearranging

1 AUD = 1/1.38 USD

Then

22AUD/1.38 = 15.94 USD

The answer is

22A UD = 15.94 USD


7 0
3 years ago
1.<br> Simplify the expression:<br> 4w3z4 + 3w3 + 4z4 + 2w3z4 + z
Mrac [35]

Answer:72wz+17z+9w

Step-by-step explanation:

You multiply them together  them add to simplify them.

8 0
3 years ago
Rachel has 30 pounds of a mixture of candy that sells for $1.00/lb. If lollipops sell for $0.95/lb and caramel candies sell for
Lina20 [59]

Answer:

Twenty Pounds

Step-by-step explanation:

Equation #1:

30lbs x Mix Price = (Lollipop Lbs  x 0.95)  + (Caramel Lbs X 1.10)

Equation #2:

Lollipops Lbs + Caramel Lbs = 30 Lbs

<em>Rearrange expressions to solve for different variables</em>

EQ1:   Caramel Lbs = (30 - .95 Lollipop Lbs)/ 1.10      NOTE: (mix price = 1.00)

EQ2:  Lollipop Lbs = 30 - Caramel Lbs

<em>Substitute formula 1 into formula 2</em>

Lollipop Lbs = 30 - [(30 - .95 Lollipop Lbs)/1.10]

<em>Distribute divisor</em>

Lollipop Lbs  = 30 - 27.2727 + .8636 Lollipop Lbs

<em>Collect terms</em>

Lollipop Lbs  =  2.7273 + .8636 Lollipop Lbs

<em>Remove .8336 Lollipops from both sides of the equation</em>

.1364 Lollipop Lbs = 2.7273

<em>Divide both sides by .1364  </em> (Answer is  19.9949 which rounds to 20)

Lollipop Lbs =  20

PROOF:

30 = (20 x 0.95) + (10 x 1.10)

30 = 19 + 11

30 = 30   TRUE!


6 0
3 years ago
Question 3 Please. I'm really stuck :(
Stells [14]
Let ∠RTS=∠RST = a (say)
 ∠QUA=∠QSU= b(say)
then we know , at point S, a+40+b=180. so, a+b=140 we'll use this later.

consider trianglePQR, ∠P+∠Q+∠R=180
i.e.P+(180-2b)+(180-2a)=180
P+180+180-2(a+b)=180 ⇒P+180-2(a+b)=0 ⇒P=2(140)- 180=280-180=100
hence,answer is E
7 0
3 years ago
Read 2 more answers
What is 144÷8 in distributive property
aivan3 [116]
18 it is this please look144÷8=18
6 0
3 years ago
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