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xz_007 [3.2K]
2 years ago
11

What value of x makes x/3= 1.2/4 a proportion?

Mathematics
1 answer:
nika2105 [10]2 years ago
6 0

Answer:

0.9

Step-by-step explanation:

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You find $13.20 on the ground at school, all in nicke's,
den301095 [7]

Answer:SORRY:(

I do not really get the question so i do not know

Step-by-step explanation:

3 0
3 years ago
Solve the equation. x2 18x 81 = 25<br> a. 14, 4<br> b. –4, –14<br> c. 14, –14<br> d. –4, 4
Snowcat [4.5K]

Answer:

The answer is the option B

-4,-14

Step-by-step explanation:

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

x^{2}+18x+81=25  

x^{2}+18x+56=0  

so

a=1\\b=18\\c=56

substitute in the formula

x=\frac{-18(+/-)\sqrt{18^{2}-4(1)(56)}} {2(1)}

x=\frac{-18(+/-)\sqrt{100}} {2}

x=\frac{-18(+/-)10} {2}

x1=\frac{-18+10} {2}=-4

x2=\frac{-18-10} {2}=-14

7 0
3 years ago
Read 2 more answers
What is the number of fluid ounces in 7 cups.
vovikov84 [41]

Answer:

56 ounces :)

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Shantira is thinking of a number n, and she wants her sister to guess the number. her first clue is that nine less than five tim
Kay [80]

The value of the integer number n is greater than 5 and less than 9.

Inequality is simply a type of equation that does not have an equal sign in it. Inequality is defined as a statement about the relative size as we will as is use it to compare two statements.

Simplification is to make something easier to do or understand and to make something less complicated.

Shantira is thinking of a number n.

Her first clue is that six less than six times her number is between twenty-four and forty-eight.

Let n be the integer number.

Then according to the condition,

Her first clue is that six less than six times her number is between twenty-four and forty-eight.

24 < 6n - 6 < 48

Add 6, then

30 < 6n < 54

Divide it by 6

5 < n < 9

So the value of the integer number n is greater than 5 and less than 9.

For more information on inequality click on the link below:

brainly.com/question/11613554

#SPJ4

6 0
1 year ago
Round to the nearest cent $6.51
son4ous [18]
Answer: $6.50
If the number is below 5 (so 1-4) you round down. If its above 5 (5-9), you round up.
E.G. 78.89 
Round this to the nearest 10th, you'll get 78.90

4 0
3 years ago
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