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Flura [38]
2 years ago
15

6x+y=15 -7x-2y=-10 using substitution

Mathematics
1 answer:
MAVERICK [17]2 years ago
5 0
The answer is (8, -33)
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So what’s the easiest way to get the answer? 80 = 720 divided by?
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Answer:

57,600

Step-by-step explanation:

720 * 80 = 57,600

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How do I compare decimal numbers
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What is real world problem that can be solved by using the equation 5x = 45
Harrizon [31]
You have 5 apples, together they cost 45 dollars, how much does each apple cost.

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8 0
3 years ago
What is the value of x? <br>A.39<br>B.41<br>C.26<br>D.17​
mojhsa [17]

Answer:

The answer is B.

Step-by-step explanation:

You have to use Pythogorean Theorem, c² = a² + b² where c is the hypotenuse and a,b is the side lengths :

{c}^{2}  =  {a}^{2}  +  {b}^{2}

Let a = 40,

Let b = 9,

{c}^{2}  =  {40}^{2}  +  {9}^{2}

{c}^{2}  = 1600 + 81

{c}^{2}  = 1681

c =  \sqrt{1681}

c = 41 \: units

*Take note, hypotenuse will <u>a</u><u>l</u><u>w</u><u>a</u><u>y</u><u>s</u><u> </u><u>b</u><u>e</u><u> </u><u>t</u><u>h</u><u>e</u><u> </u><u>l</u><u>o</u><u>n</u><u>g</u><u>e</u><u>s</u><u>t</u><u> </u><u>l</u><u>e</u><u>n</u><u>g</u><u>t</u><u>h</u> among the 3 lengths.

*Pythogorean Theorem can only applied in a right-angle triangle.

3 0
2 years ago
What 2 numbers equal -36 when multiplied together but equal 0 when added together?
Lelu [443]
You can do that using  +6  and  -6 .

(6) · (-6)  =  - 36

(6) + (-6)  =  0
7 0
3 years ago
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