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astraxan [27]
3 years ago
9

Which mixed number is equal to 6.75?

Mathematics
2 answers:
eimsori [14]3 years ago
5 0
<span>C. 6   3/4

Because: 6 is our whole number inside 6.75, now, we know the whole number in the fraction. Also, it must be a mixed number, that means it must contain a whole number and a fraction.

3/4 = .75
6 = 6

6.75 = 6   3/4</span>
Nadusha1986 [10]3 years ago
4 0
6.75
= 6+ 0.75
= 6+ 75/100
= 6+ 3/4
= 6 3/4

The correct answer is C. 6 3/4~
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Subtract 8 1/2 - 2 2/3 = ?
Andrews [41]

Answer: 2 2/3 or 2.6 repeating

Step-by-step explanation:

- Reduce the numbers With the greatest common divisor 2

- Calculate product

- Calculate the difference

- YOUR FINAL ANSWER

Hope I was able to satisfy your needs

8 0
3 years ago
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Solve the following system of equations by substitution. Show all steps.
Alinara [238K]

Answer:

Given system of equations:

\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}

To solve by substitution, equate the equations and solve for x:

\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}

Therefore, the x-values of the solution are x = 0 and x = 4.

To find the y-values of the solution, substitute the found values of x into the functions:

f(0)=-(0)^2+2(0)+3=3

g(0)=-2(0)+3=3

f(4)=-(4)^2+2(4)+3=-5

g(4)=-2(4)+3=-5

Therefore, the solutions to the given system of equations are:

(0, 3) and (4, -5)

4 0
2 years ago
Find the circumference of the circle in terms of pi
madam [21]
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3 0
3 years ago
Work out the size of the interior angle of a regular 18-sided polygon.
qaws [65]

Answer:

160°

Step-by-step explanation:

The formula below gives the measure of an interior angle of a regular polygon of n sides.

[(n - 2)180]/n

[(18 - 2)180]/18

16(10)

160

Answer: 160°

4 0
2 years ago
Please help!!!!!!!!!
meriva

Answer:

n = 8

Step-by-step explanation:

(n−2) × 180  is the formula to find the interior angles of a polygon

(n−2) × 180 = 1080

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(n−2) × 180/180 = 1080/180

n-2 =6

Add 2 to each side

n-2+2 = 6+2

n = 8

5 0
3 years ago
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