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ratelena [41]
3 years ago
13

Write in complete sentences telling a similarity and a difference between opposite numbers and absolute value

Mathematics
1 answer:
fredd [130]3 years ago
5 0

Answer: looks at the picture

Step-by-step explanation: hope this help :)

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5x + 260 = -8x + 650 I got 75 but it was wrong
lawyer [7]

-260

then

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3 years ago
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find 40% of 60 using two different strageties, one of which must include a pictorial model or digram?pls help
igor_vitrenko [27]
One way would be to convert 40% into a fraction and multiply.

40% = 2/5

2/5 * 60 = 24

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3 years ago
PLZ HELP ASAP FEATURES OF A CIRLE FROM EXPANDED EQUATION
Lana71 [14]
First we need to convert the given equation to standard form, only then we can find the center and radius of the circle.

x^{2} + y^{2} +18x+14y+105=0 \\  \\ &#10; x^{2} +18x+ y^{2}+14y=-105 \\  \\ &#10; x^{2} +2(x)(9)+ y^{2}+2(y)(7)=-105 \\  \\ &#10;x^{2} +2(x)(9)+ 9^{2} + [y^{2}+2(y)(7)+7^{2}]  =-105+9^{2}+7^{2}  \\  \\ &#10; (x+9)^{2}+ (y+7)^{2}=25  &#10;

The standard equation of circle is:

(x-a)^{2} + (y-b)^{2}= r^{2}

with center (a,b) and radius = r

Comparing our equation to above equation, we can write

Center of circle is (-9, -7) and radius of the given circle is 5 
8 0
3 years ago
The sum of all the positive terms in the geometric sequence 54, - 36, 24, - 16, ... is
Annette [7]

Answer:

  B.  97.2

Step-by-step explanation:

The sequence of positive terms is ...

  54, 24, 10 2/3, 4 20/27, ...

This sequence has first term 54 and common ratio 24/54 = 4/9. The sum of the infinite series is ...

  S = a1/(1 -r) = 54/(1 -4/9) = 54(9/5)

  S = 97.2

The sum of the positive terms in the infinite series is 97.2.

8 0
2 years ago
Emily ran 4 1/8 miles at track practice on one day and 3 3/4 miles the next day. Her coach said she needed to run 10 miles this
Katen [24]

Answer

2 1/8

Step-by-step explanation 10–7 7/8=(10 – 7) + ( 0–7/8)= 3 +0 × 8 – 7/8= 3 + 08– 78=  3 + 0 – 78=  3 + -7/8 = 2 1/8

5 0
2 years ago
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