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sergejj [24]
3 years ago
7

7729 to one significant figure

Mathematics
1 answer:
love history [14]3 years ago
6 0
Are there any decimals? Round to one digit: 7729 expressed in 1 digit = 8x10^-3
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I need help with this in 7th grade just started to learn this
tatuchka [14]

Answer:

99

Step-by-step explanation:

110% × 90 = 99

<em>OR</em>

110/100 × 90 (Simplify this)

11/10 × 90 (Divide 10 into 90 / Cross multiply)

11 × 9 = 99

8 0
3 years ago
Are these lines parallel perpendicular or neither
Natasha_Volkova [10]

Answer:

perpendicular

Step-by-step explanation:

start but putting each line into the standard line format

2x-y=-5

-y=-2x-5

y=2x+5

x+2y=-6

2y=-x-6

y=-(1/2)x-3

if lines are parallel the slopes would be the same. 2 is not equal to -1/2

if lines are perpendicular the slope of one would be the opposite inverse of the other.

negative inverse of 2 = - (1/2)

so the lines are perpendicular

8 0
3 years ago
54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens = ________(1 Point)
Afina-wow [57]

Answer:

38,660

Step-by-step explanation:

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

54 thousands = 54000

6 hundreds = 600

12 ten = 12*10 = 120

54 thousands 6 hundreds 12 tens = 54000+600+120 = 54720

15 thousands = 15000

8 hundreds = 800

26 tens = 26*10 = 260

15 thousands 8 hundreds 26 tens = 15000+800+260 = 16060

Thus,

54 thousands 6 hundreds 12 tens – 15 thousands 8 hundreds 26 tens

= 54720- 16060 = 38,660 (Answer)

3 0
3 years ago
X^2 + 12 =3 solve, give exact solution(s) no rounding or decimals
Papessa [141]

Answer:0

Step-by-step explanation:

5 0
2 years ago
A spinner has 4 equal sections of red, blue, green, and yellow. About how many times should you land on blue if you spin the spi
AnnZ [28]

Answer:

(B)  24

Step-by-step explanation:

5 0
3 years ago
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