3 years ago

Could someone help me understand this?

Mathematics

1 answer:

larisa86 [58]3 years ago

5 0

Answer:

8 < x < 40

Step-by-step explanation:

x − 8 must be more than 0, but it can't be greater than 32.

0 < x − 8 < 32

8 < x < 40

A more precise answer would require law of cosines and calculus.

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A sequence of 7 numbers starts with 8. The second number in the sequence is unknown and may be positive or negative. The third t

scoray [572]

Answer:

Explanation:

$a_1=8,a_7=0$

Since the third term is the sum of the two previous terms

$a_3=a_2+a_1$

$a_7=a_6+a_5$

$a_7=a_5+a_4+a_4+a_3$

Continuing in like manner

$a_7=5a_3+3a_2$

Since $a_3=a_2+a_1$

$a_7=5(a_2+a_1+3a_2$

$a_7=5a_2+5a_1+3a_2$

$a_7=8a_2+5a_1$

Recall: $a_1=8,a_7=0$

$0=8a_2+5*8$

$8a_2=-40$

$a_2=-5$

The sequence is therefore:

8,-5,3,-2,1,-1,0

The sum of the seven numbers is 4.

8 0

3 years ago

Find the greatest common factor 7x^3a+7x^2a^2

muminat

Answer:

7x^2a

Step-by-step explanation:

7x^3a+7x^2a^2

7x^3a = 7 xxxa

7x^2a^2= 7 xxaa

The common terms are 7xxa

7x^2a

This is the greatest common factor

6 0

3 years ago

Halle solved 664/48 below. She got a quotient of 13 with a remainder of 40. How could she solve 659/48 without redoing the work?

Lerok [7]

She should multiply the quotient by 48.

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3 years ago

What is the first step to solve this equation: 12-4x=54

ValentinkaMS [17]

Answer:

B. subtract 12 from both sides

Step-by-step explanation:

12-4x=54

-12 -12

-4x=42

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3 years ago

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Translate point R located at (-6,-8) -4 in the x-direction and -2 in th y-direction

Troyanec [42]

((-6-4),(-8-2))

(-10,-10)

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3 years ago