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ziro4ka [17]
2 years ago
13

Add. Write your answer in simplest form. 2 5/6 + 3 2/5

Mathematics
1 answer:
castortr0y [4]2 years ago
8 0

Answer:

187/85 or in decimal form 2.2

Step-by-step explanation:

Make it a mixed fraction then find the common denominator

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Which polynomial is prime?<br><br> a) x2 – 36<br> b) x2 + 6<br> c) x2 – 7x + 12<br> d) x2 – x – 20
Misha Larkins [42]

Answer:

B

Step-by-step explanation:

I don't know but I know it's b I think so

6 0
1 year ago
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a scientist has a mystery element that she wants to identify by using its properties these properties include its freezing point
netineya [11]
Yes silicon was made 1495 and its very useful
4 0
3 years ago
what is the best approximation of the solution to the system to the nearest valus 2x-3y=-6 and x+2y=8
Trava [24]
Given:
2x - 3y = -6  ⇒ identified as 1st equation
x + 2y = 8    ⇒ identified as 2nd equation

Let us first get the value of x using the 2nd equation.
x + 2y = 8
x = 8 - 2y

Substitute x in the 1st equation with its value and find the value of y.
2x - 3y = -6
2(8-2y) - 3y = -6
16 - 4y -3y = -6
-4y - 3y = -6 -16
-7y = - 22
y = -22/-7
y = 22/7 simplified to 3 1/7

Substitute the value of y in the 2nd equation.
x = 8 - 2y
x = 8 - 2(22/7)
x = 8 - 44/7
x = (8 * 7/7) - 44/7
x = 56/7 - 44/7
x = (56-44)/7
x = 12/7 simplified to 1 5/7

To check:  x = 12/7 and y = 22/7  *we need to use the improper fractions.
2x - 3y = -6
2(12/7) - 3(22/7) = -6
24/7 - 66/7 = -6
(24-66)/7 = -6
-42/7 = -6
-6 = -6

x + 2y = 8
12/7 + 2(22/7) = 8
12/7 + 44/7 = 8
(12+44)/7 = 8
56/7 = 8
8 = 8

8 0
3 years ago
Find the product of (x+3) (x+3)
MA_775_DIABLO [31]

Answer:

x^{2} + 9x

Step-by-step explanation:

(x+3)(x+3)

distribute the x to both three and x.

x * x + 3x * 3x

add like terms.

X^2 + 9x

7 0
2 years ago
Explain how the Distributive Property can be used to expand the expression on the left side of the equation. 3(x + 4) = 36.
Tpy6a [65]

Hello!

<em><u>Answer:</u></em>

<em><u>x=8</u></em>

<em><u>*The answer must have a positive sign.*</u></em>

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, you divide by 3 from both sides of an equation.

\frac{3(x+4)}{3}=\frac{36}{3}

And then, you simplify. Then you can also divide by the numbers too.

36/3=12

x+4=12

Next, you subtract by 4 from both sides of an equation.

x+4-4=12-4

And finally, simplify and solve. You subtract by the numbers.

12-4=8

Final answer: → x=8

Hope this helps!

Thanks!

-Charlie

Have a great day!

:)

:D

5 0
2 years ago
Read 2 more answers
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