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irakobra [83]
3 years ago
10

I need help please. its due tommorow

Mathematics
1 answer:
FromTheMoon [43]3 years ago
3 0
If it is about finding the variable you need to distribute for #2 and #3. Get the variable by itself.

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How to calculate mass of an object?
bazaltina [42]

Answer:

I think the answer is ....

Step-by-step explanation:

One way to calculate mass: Mass = volume × density. Weight is the measure of the gravitational force acting on a mass. The SI unit of mass is "kilogram".

3 0
2 years ago
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Someone pls help me with this.
Assoli18 [71]

Answer: m∠D = 65°

Step-by-step explanation:

The best solve method for problems like this is say the sum of the angle values equals 360.

2x-15+2x-15+x+x = 360

Then from here you just simplify.

4x+2x-30 = 360

6x = 390

x = 65

So the measure of Angle D equals 65 degrees.

4 0
3 years ago
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N76 [4]
D
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5 0
3 years ago
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-2.5d ≥ 30 ??<br> i need help
just olya [345]

Answer:

I need more information, are we solving for D?

Step-by-step explanation:

8 0
2 years ago
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2. Triangle ABC is equilateral and AB = 6x + 3, BC = 8x - 1,2. AB =
kherson [118]

Answer:

AB = BC = AC = 15

Step-by-step explanation:

Since the triangle is equilateral then the 3 sides are congruent.

Equate any 2 sides and solve for x , that is

AC = AB , so

11x - 7 = 6x + 3 ( subtract 6x from both sides )

5x - 7 = 3 ( add 7 to both sides )

5x = 10 ( divide both sides by 5 )

x = 2

Then

AC = 11x - 7 = 11(2) - 7 = 22 - 7 = 15 , thus

AB = BC = AC = 15

8 0
2 years ago
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