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Usimov [2.4K]
3 years ago
10

Use the distributive property of multiplication to evaluate: 2(3 - 1) =

Mathematics
1 answer:
kvasek [131]3 years ago
7 0

Answer:

hopefully this helps

Step-by-step explanation:

(2x6-2×1)

12-2=10

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hram777 [196]
-3x-12> 8x + 21
+12 +12
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-8x -8x

-11x > 33
————-
-11

x < -3

I moved the real numbers to one side and and the variable to the other side to solve for the inequality

I also remembered somewhere that if you divide by a negative number the inequality sign switches.
6 0
3 years ago
Can someone help me on this Proofs problems? It's just number one and two.
leonid [27]

See Explanation

Step-by-step explanation:

1. By interior angle sum Postulate of a triangle.

m\angle a+ m\angle y +m\angle z= 180\degree.... (1)\\\\m\angle a+ m\angle w +m\angle x= 180\degree.... (2)\\\\

From equations (1) & (2), we find:

m\angle a+ m\angle y +m\angle z= m\angle a+ m\angle w +m\angle x\\\\m\angle y +m\angle z= m\angle w +m\angle x\\

Hence proved

2. In \triangle PQS, \: \angle QSR is exterior angle.

Therefore, by remote interior angle theorem, we have:

m\angle QPS + m\angle PQS= m\angle QSR\\\\x + m\angle PQS= 2x\\\\m\angle PQS= 2x-x\\\\m\angle PQS = x.... (1)\\\\m\angle QPS = x.... (given).... (2)\\

From equations (1) & (2), we find:

m\angle PQS = m\angle QPS\\\\\therefore \angle PQS \cong \angle QPS\\\\\therefore PS \cong QS\\(sides\: opposite \: to\: congruent \:\angle s) \\\\

\therefore \triangle PQS is an isosceles triangle.

Thus proved.

3 0
3 years ago
If x^2=20 what is the value of x will give brainliest for answer
Schach [20]

Answer:

x² - 20 = 0

Using the quadratic formula

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

a = 1 b = 0 c = -20

So we have

x =  \frac{ - 0 ±  \sqrt{ {0}^{2}  - 4(1)( -20)} }{2(1)}  \\  \\ x =  \frac{± \sqrt{80} }{2}  \\  \\ x =  \frac{±4 \sqrt{5} }{2}  \\  \\  \\ x = ±2 \sqrt{5}  \\  \\  \\ x = 2 \sqrt{5}  \:  \:  \: or \:  \:  \: x =  - 2 \sqrt{5}

Hope this helps you.

8 0
3 years ago
According to the distributive property,6(a+b)=
olga55 [171]

Answer:

B

Step-by-step explanation:

The Distributive property says that a(b+c) = ab+ac

In my example you distribute the value on the outside to the things on the inside

In your problem, you have a six on the outside that needs to be distributed to an a and b

1) 6 multiplied by a equals 6a giving you the first part of your answer!

2) 6 multiplied by b equals 6b giving you the second part of your answer!

Dont forget that there is a + sign in between a and b, dont drop it!

Put the two values together to get 6a+6b

Let me know if you have any further questions :)

8 0
3 years ago
-) Yesterday, Tiana's Snack Shack went through 1/4 of a
enot [183]

Answer:

17/24

Step-by-step explanation:

2 5/6 = \frac{17}{6}

\frac{17}{6} * \frac{1}{4}  = \frac{17}{24}

8 0
3 years ago
Read 2 more answers
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