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SOVA2 [1]
3 years ago
9

9x + 2+ 5x = 23 +7 SOLVE pLEASE

Mathematics
2 answers:
yarga [219]3 years ago
8 0

Answer:

2

Step-by-step explanation:

14x + 2 = 30

14x = 28

x = 2

gulaghasi [49]3 years ago
8 0

Answer:

x =2

Step-by-step explanation:

9x + 2+ 5x = 23 +7

Combine like terms

14x +2 = 30

Subtract 2 from each side

14x +2-2 = 30-2

14x = 28

Divide each side by 14

14x/14 = 28/14

x = 2

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Factorise x^2/4-y^2/4​
Nuetrik [128]

Answer:

\large\boxed{\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}}

Step-by-step explanation:

\dfrac{x^2}{4}-\dfrac{y^2}{4}=\dfrac{x^2}{2^2}-\dfrac{y^2}{2^2}\qquad\text{use}\ \left(\dfrac{a}{b}\right)^n=\dfrac{a^n}{b^n}\\\\=\left(\dfrac{x}{2}\right)^2-\left(\dfrac{y}{2}\right)^2\qquad\text{use}\ (a-b)(a+b)=a^2-b^2\\\\=\left(\dfrac{x}{2}-\dfrac{y}{2}\right)\left(\dfrac{x}{2}+\dfrac{y}{2}\right)=\dfrac{x-y}{2}\cdot\dfrac{x+y}{2}

3 0
3 years ago
For a right triangle with legs a = 5 and b = 12, use the pythagorean theorem to find the hypotenuse,
kondor19780726 [428]

c = √(a²+b²)

c = √(5²+12²)

c = √(25+144)

c = √169

c = 13 units

7 0
3 years ago
Plz help!!!!!!!!!!!!!!! 100 points! any links or wrong answers will be flaged
garik1379 [7]

Answer:

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Part B: 1.6 x 103mm

Step-by-step explanation

7 0
3 years ago
Which undefined term is needed to define a circle?<br> O Point<br> O Radius<br> O Line<br> O Ray
Sever21 [200]

Answer:

I think the answer is option B radius

Step-by-step explanation:

hope it helps.

good day ✌️

6 0
3 years ago
A sports club needs to raise at least $500 by selling chocolate bars for $2.50 each. Sebastian wants to know how many chocolate
mario62 [17]

Answer:

The inequality should be written as $2.50 times c is greater than or equal to c.

Step-by-step explanation:

First, identify what you know:

1) Each chocolate bar is $2.50

2) Sebastian needs to raise at least $500

So, Sebastian needs to sell at least enough chocolate bars to hit $500. The inequality cannot be written as less than or equal to, because he can't sell less than the number of chocolate bars needed to make $500.

Automatically, I can calculate the minimum number of bars he'll need to sell.

500/2.50 = 200 chocolate bars minimum

c must equal greater than or equal to $500, for Sebastian to raise enough money! So, basically Sebastian has to sell 200 bars OR more.

Hope this helps! :)

4 0
3 years ago
Read 2 more answers
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