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OleMash [197]
3 years ago
10

15x=3x+120 Show answer

Mathematics
2 answers:
inn [45]3 years ago
5 0
15x = 3x + 120 (subtract both sides by 3x)
12x = 120 (divide both sides by 12)
x = 100

julsineya [31]3 years ago
5 0
X=10 thats the answer just go to mathway . com and put your problem in to get your answer
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Which of the following statements is true about the number 30/2?
olga nikolaevna [1]

Answer:

It's A :)

Step-by-step explanation:

30/2 is 15

15 is a whole number so it applies to everything except for irrational numbers

Hope this helps :)

5 0
2 years ago
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laiz [17]
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3 0
2 years ago
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Gwar [14]

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Step-by-step explanation:


4 0
3 years ago
Use the intermediate value theorem to prove that there is a positive number c such that c2 = 2.
schepotkina [342]

So lets try to prove it,

So let's consider the function f(x) = x^2.

Since f(x) is a polynomial, then it is continuous on the interval (- infinity, + infinity).

Using the Intermediate Value Theorem,

it would be enough to show that at some point a f(x) is less than 2 and at some point b f(x) is greater than 2. For example, let a = 0 and b = 3.

Therefore, f(0) = 0, which is less than 2, and f(3) = 9, which is greater than 2. Applying IVT to f(x) = x^2 on the interval [0,3}.

Learn more about Intermediate Value Theorem on:

brainly.com/question/11377865

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6 0
1 year ago
macy is trying to construct an isosceles triangle. She assigns and angle measurement of 40 degrees to the unique angle of the tr
Hitman42 [59]
Given that Macy wants to construct an isosceles triangle, with the unique angle being 40° it implies that for the triangle to be isosceles, the base angles should be the same. The size of the base angles will be:
(180-40)/2=70
given that that the base is 6 cm, Macy can only form 1 triangle with these dimensions.
The length of the other sides will be found using sine rule
a/sin A=b/sin B
a=6 cm
A=40°
b=?
B=70
hence:
6/sin 40=b/sin 70
b=(6sin 70)/sin40
b=8.77 cm

3 0
3 years ago
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