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Serggg [28]
3 years ago
12

If you were to solve the following system by substitution, what would be the best variable to folve for and from what equation?

Mathematics
2 answers:
prisoha [69]3 years ago
5 0

Answer:

X in the first equation

Step-by-step explanation:

weeeeeb [17]3 years ago
3 0

Answer:

D

Step-by-step explanation:

It's easiest to divide everything by 3.

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Which is the best estimate of the mass os a basketball
Hatshy [7]
5 or 6 pounds  because there not that heavy 
8 0
3 years ago
Which transformation can verify congruence by turning one triangle 90 degrees
Nezavi [6.7K]
The answer to the question of yours is A. Rotation Its not B. because the question is asking by turning one triangle 90 degrees. This would mean that B. is incorrect since its turning. It wouldn't be C. because it isn't translating 90 degrees left or right its turning. And it most definitely wouldn't be D. Dilation because the triangle isn't decreasing or enlarging. Hope this helped feel free to ask any more questions.   
6 0
3 years ago
Read 2 more answers
A sealed-tube manometer can be used to measure pressures below atmospheric pressure. The tube above the mercury is evacuated. Wh
sp2606 [1]
The <u>correct answers</u> are:

6.5 cm = 65.00001052 torr
6.5 cm = 8665.93 Pa
6.5 cm = 0.08552632119 atm

Explanation

The conversion rate from centimeters mercury (cm Hg) to torr is
1 torr = 0.099999983814461 cm.

We have 6.5 cm; this means to convert we divide:
6.5/0.099999983814461 = 65.00001052

The conversion rate from cm Hg to Pascals (Pa) is
1 cm = 1333.22 Pa

We have 6.5 cm; this means to convert we multiply:
6.5(1333.22) = 8665.93

The conversion rate from cm Hg to atmospheres (atm) is
1 atm = 75.999995199606 cm

We have 6.5 cm; this means to convert we divide:
6.5/75.999995199606 = 0.08552632119
7 0
3 years ago
Read 2 more answers
A rectangular yard measuring 41ft by 60ft is bordered (and surrounded) by a fence. Inside, a walk that is 4ft wide goes all the
Alexandra [31]

area of yard = 41 x 60 = 2460 square feet

walk is 4 feet wide

 41-4 =37, 60-4 = 56

37*56 = 2072

2460-2072 = 388

 area of walk is 388 square feet

8 0
3 years ago
What is the value of this expression: 2 + 42 - 6 x 25 + 3
Zigmanuir [339]

2+42 -6 * 25 +3

= 44 - (6)(25)+3

= 44-150+3

= -106+3

= -103


I hope that's help !

7 0
3 years ago
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