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REY [17]
3 years ago
13

How to turn .9% into ratio​

Mathematics
1 answer:
leonid [27]3 years ago
6 0

Answer:

9:100

Step-by-step explanation:

Turn 9% into a fraction by putting it over a hundred:

9/100

Then simply change the '/' into ':'

If this were another fraction, let's say, 4/6, then you'd put it in simplest form, which is 2/3 = 2:3

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The daily low temperatures last week are shown below. What is the mean
kirill115 [55]

Answer:

i do not see the tempatures but add them all up and divide by however many tempatures there are

Step-by-step explanation:

5 0
3 years ago
I need help with solving for x. Then find the measure of the base angle. Please
Paraphin [41]

Answer:

x = 8 base angle = 81 degrees

Step-by-step explanation:

8 0
3 years ago
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A single, fair 6-sided die is tossed. Find the odds in favor of rolling a 4
morpeh [17]

Answer:

1/6

Step-by-step explanation:

There is only one side of the die with a number 4, and 6 possible outcomes. Therefore the answer is 1/6

7 0
3 years ago
What situation should be used to rewrite 16(x^3+1)^2 -22(x^3+1)-3=0 as a quadratic equation
Oliga [24]
16(x^3+1)^2-22(x^3+1)-3=0

Use substitution:  x^3+1=t

16t^2-22t-3=0\\\\16t^2-24t+2t-3=0\\\\8t(2t-3)+1(2t-3)=0\\\\(2t-3)(8t+1)=0\iff2t-3=0\ \vee\ 8t+1=0

2t-3=0\ \ \ |+3\\\\2t=3\ \ \ |:2\\\\t=\dfrac{3}{2}\\..............................\\8t+1=0\ \ \ \ |-1\\\\8t=-1\ \ \ \ |:8\\\\t=-\dfrac{1}{8}

we're going back to substitution:

x^3+1=\dfrac{3}{2}\ \vee\ x^3+1=-\dfrac{1}{8}\ \ \ \ |subtract\ 1\ from\ both\ sides\ of\ the\ equations\\\\x^3=\dfrac{1}{2}\ \vee\ x^3=-\dfrac{9}{8}\\\\x=\sqrt[3]{\dfrac{1}{2}}\ \vee\ x=\sqrt[3]{-\dfrac{9}{8}}


x=\dfrac{1}{\sqrt[3]2}\ \vee\ x=-\dfrac{\sqrt[3]9}{2}\\\\\boxed{x=\dfrac{\sqrt[3]4}{2}\ \vee\ x=-\dfrac{\sqrt[3]9}{2}}

4 0
3 years ago
Please help pleaseeeee
Nuetrik [128]

Answer:

200 pages

Step-by-step explanation:

( number of pages) ×(2/5) = 80

Number of pages = 80 ÷(2/5)

Number of pages = 200

4 0
3 years ago
Read 2 more answers
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