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Molodets [167]
3 years ago
6

Solve 4=1+x for the property of equality

Mathematics
2 answers:
ICE Princess25 [194]3 years ago
7 0
The answer is x=3 is your answer
posledela3 years ago
4 0
You put x left and 4 right while changing sign. You get x=4-1=3
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Please help me..thank you
Sergio039 [100]

Answer:

  7π cm² ≈ 22.0 cm²

Step-by-step explanation:

The shaded area is the difference between the area of Circle B and the areas of Circle C and Circle O. That is, those white areas are subtracted from the area of Circle B to get the shaded area.

The formula for the area of a circle is

  A = πr²

Using this, we find ...

  Circle B area = π(3 cm)² = 9π cm²

  Circle C area = Circle O area = π(1 cm)² = π cm²

Then the shaded area is ...

  Shaded Area = Circle B area - Circle C area - Circle O area

  = (9π cm²) - (π cm²) - (π cm²)

  = 7π cm² ≈ 22 cm²

5 0
3 years ago
A dog sled race is 25 miles long.The equation 5/8 k=25 can be used to estimate the race’s length k in kilometers. Approximately
EastWind [94]
The distance to be covered in the race is 25 miles
average speed of the team is 30 km/h
30 km/m in miles/hour will be:
1 mile=0.621371 km
thus
30 km/h=(30×0.621371) miles/hour
=18.64113 miles/hour
time taken to complete 25 miles will be:
time=distance/speed
=25/18.64113
=1.3411 hours
4 0
3 years ago
An architect built a scale model of a skyscraper using a scale in which 2 inches represents 48 yards. The height of the skyscrap
damaskus [11]
The correct answer is C, 15 inches. Please mark Brainliest if helpful. Thanks
6 0
2 years ago
Please Help 7th grade math
Allisa [31]

The signs of the numbers in the problem matter because if a number is negative in the equation than you're answer could be negative.  ex. -3/9= -3   but if the negative sign wasn't there than the answer would be wrong bc the answer would be positive.



hope thats what you need hope it helps.

6 0
3 years ago
How do you show where an inequality is true on a number line?
Mashutka [201]

Answer:

When the two values are different

Step-by-step explanation:

Like in an inequality equation.

For example:

4+5x\geq 30

The answer would be anything greate than or equal to 30, but you would need to find x. The number line would be very useful

Hope this helps

6 0
3 years ago
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