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juin [17]
2 years ago
8

2 Points

Mathematics
1 answer:
weqwewe [10]2 years ago
5 0

Answer:

12

Step-by-step explanation:

An isosceles triangle are three sides of two sides being equal in lengths.

If that is the case, the two opposite slanting sides which are equal, must be longer. Invariably, the third side is 12.

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X + 1 / 8 y = 2 0 x + 1 / 4 y = 4
UkoKoshka [18]

Answer:

Is that the question

Step-by-step explanation:

No seresly is that the question

4 0
3 years ago
Read 2 more answers
I need trigonometry help!
nadya68 [22]
Which question is it


4 0
3 years ago
5. Solve using any method.<br> y = -x + 8<br> y=x+4
vlada-n [284]

Answer:

<h2>x = 2, y = 6 → (2, 6)</h2>

Step-by-step explanation:

\bold{ELIMINATION\ METHOD}\\\\\left\{\begin{array}{ccc}y=-x+8\\y=x+4&\TEXT{change the signs}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}y=-x+8\\-y=-x-4\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad0=-2x+4\qquad\text{add}\ 2x\ \text{to both sides}\\.\qquad2x=4\qquad\text{divide both sides by 2}\\.\qquad\boxed{x=2}\\\\\text{Put it to the second equation}\\y=2+4\\\boxed{y=6}

\bold{SUBSTITUTION\ METHOD}\\\\\left\{\begin{array}{ccc}y=-x+8&(1)\\y=x+4&(2)\end{array}\right\\\\\text{Substitute (1) to (2)}\\\\-x+8=x+4\qquad\text{subtract 8 from both sides}\\-x=x-4\qquad\text{subtract}\ x\ \text{from both sides}\\-x-x=-4\\-2x=-4\qquad\text{divide both sides by (-2)}\\\boxed{x=2}\\\\\text{Put it to the second equation}\\y=2+4\\\boxed{y=6}

7 0
3 years ago
Does the point (-5, 3) satisfy the equation y = x − 8?
o-na [289]
No. This is because you can plug it in and see if it is true. Meaning...
3=-5-8
3=-13
3 is not equal to -13. Therefore the point does not satisfy the equation
6 0
3 years ago
You bought your current house 10 years ago for £55,000. There are currently three similar properties for sale on your street. Pr
galben [10]

Answer:

<u>The house could be sold between £ 77,000 and £ 79,500</u>

Step-by-step explanation:

Cost of the house = £ 55,000

40% profit on the amount paid for the house = 40% * 55,000 = 0.4 * 55,000 = £ 22,000

Suggested price with at least 40% profit = £ 55,000 + £ 22,000

<u>Suggested price with at least 40% profit = £ 77,000</u>

Properties price on the same street:

Property 1 £75,000

Property 2 £80,000

Property 3 £83,500

Mean of these prices = (75,000 + 80,000 + 83,500) / 3

Mean of these prices = 238,500 / 3

<u>Mean of these prices = £ 79,500</u>

<u>Therefore the price could be between  £ 77,000 (40% profit on the amount paid for the house 10 years ago) and £ 79,500 (the mean price of the properties currently for sale on the same street)</u>

4 0
3 years ago
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