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gayaneshka [121]
1 year ago
10

The sum of three numbers is 100. The second number is 2 times the third. The third number is 8 less than the first. What are the

numbers?
Mathematics
1 answer:
8_murik_8 [283]1 year ago
6 0

Answer:

Step-by-step explanation:x+y+z=100(let x ,y,z represent the first second and third numbers respectively)

Therefore,y=2z

z=x-8

y=2x-16

substituting the values of x,y and z into the question,we have

x+(2x-16)+(x-8)=100

Simplifying,we have

4x-24=100

adding 24 to both sides of the equation,

4x=100+24

4x=124

dividing both sides of the equation by the co-efficient of x,we have

4x/4=124/4

4.31=124

therefore,x=31.

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3 years ago
Find the product. (a2 + 2a + 1)(a + 1) a. A2 + 3a + 2 b. A3 + 3a2 + 3a + 1 c. A3 + 2a 2 + a + 1 d. A3 + 3a2 + a + 1
olchik [2.2K]

 (a + 1)(a² + 2a + 1)

= a(a² + 2a + 1) + 1(a² + 2a + 1)

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7 0
3 years ago
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Marina CMI [18]

Answer:

Ok I will help you answer the first one the rest yourself?

Step-by-step explanation:

So the question is

6(r-s+t)

we have to time each number by 6

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That's how we can simply so the answer is 6r-6s+t

Same thing goes with the others

Hope it helps 0w0

5 0
3 years ago
Which of the following sentences is true? 30.744 is greater than 30.844. 9.542 is greater than 9.532. 182.348 is less than 182.3
Arturiano [62]

Answer:

the first sentance is wrong, the second one is right, the third one is right and the last one is wrong

Step-by-step explanation:

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3 years ago
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Naily [24]

Answer:

Monomial

Step-by-step explanation:

A polynomial has terms in their equation.

When it is a trinomial, it usually follows the pattern such as x^2+2x+1.

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2 years ago
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