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3 years ago

What is the integer of-2

Mathematics

1 answer:

Gnom [1K]3 years ago

4 0

Answer:

-2

Step-by-step explanation:

The integer of - 2 is - 2 only as integers can be positive and negative whole numbers

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What’s 1/3x-5+171=171

jasenka [17]

Answer:

x= 15

Step-by-step explanation:

Solve for x:

x/3 - 5 + 171 = 171

Put each term in x/3 - 5 + 171 over the common denominator 3: x/3 - 5 + 171 = x/3 - 15/3 + 513/3:

x/3 - 15/3 + 513/3 = 171

x/3 - 15/3 + 513/3 = (x - 15 + 513)/3:

(x - 15 + 513)/3 = 171

Add like terms. 513 - 15 = 498:

(x + 498)/3 = 171

Multiply both sides of (x + 498)/3 = 171 by 3:

(3 (x + 498))/3 = 3×171

(3 (x + 498))/3 = 3/3×(x + 498) = x + 498:

x + 498 = 3×171

3×171 = 513:

x + 498 = 513

Subtract 498 from both sides:

x + (498 - 498) = 513 - 498

498 - 498 = 0:

x = 513 - 498

513 - 498 = 15:

Answer: x = 15

5 0

3 years ago

If a surface area of the Earth is about 196,9000,000 square miles, about how many square miles are covered in water

docker41 [41]

139,799,000‬ square miles of Earth's surface area is covered with water

Step-by-step explanation:

Percentage will be used to calculate the surface area of earth covered by water

Given

Surface area of earth = 196900000 square miles

Percentage of water = 71%

So,

$Surface\ area\ covered\ by\ water = 71\%\ of\ 196900000\\= 0.71 * 196900000\\= 139,799,000\ square\ miles$

Hence,

139,799,000 square miles of Earth's surface area is covered with water

Keywords: Percentage, surface area

Learn more about percentage at:

#LearnwithBrainly

8 0

3 years ago

Scientific<br> Express this number in scientific notation.<br> 52 thousandths

VLD [36.1K]

Step-by-step explanation:

$52 \: thousandths \\ = \frac{52}{1000} \\ \\ = \frac{52}{10^{3} } \\ \\ = 52 \times {10}^{ - 3} \\ \\ = 5.2 \times {10}^{ - 2}$

4 0

3 years ago

If h(x) = 2/3x -9, find h(-6)

Maurinko [17]

Step-by-step explanation:

$h(x) = \frac{2}{3} x - 9$

$h( - 6) = \frac{2}{3} ( - 6) - 9$

$= - 4 - 9$

$= - 13$

3 0

3 years ago

A running track consists of two parallel lines that are connected at each end but the curved boundary of a semicircle. The paral

saveliy_v [14]

Answer:

The area inside the running track is 248.5 m².

Step-by-step explanation:

The area inside the running track is given by the sum of the area of a rectangle and the area of a semicircle:

$A_{t} = A_{r} + 2A_{c}$

$A_{t} = x*(2r) + 2*(\frac{\pi r^{2}}{2})$

Where:

x: is one side of the rectangle = 30 m

r: is the radius = half of the other side of the rectangle = 7/2 m = 3.5 m

Hence, the total area is:

$A_{t} = 30*7 + \pi (3.5)^{2} = 248.5 m^{2}$

Therefore, the area inside the running track is 248.5 m².

I hope it helps you!

3 0

3 years ago

What is the integer of-2​

What is the integer of-2