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3 years ago

List 3 effects that an increase in urbanization can have on air quality

1 answer:

4 0

More cars = more pollution.
More industry buildings = more pollution. 
More people = more people breathing carbon dioxide = more pollution

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The lengths of the sides of a triangle are 4,6 and 8 If the midpoints of the three sides are joined to form a second triangle, f

yuradex [85]

I think the perimeter is 9 units

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3 years ago

10 times as much as blank is 1/10 of 900

ludmilkaskok [199]

9 times 10 is 90.

90 is 1/10 of 900.

The answer is 9.

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3 years ago

A ladder is leaning against a vertical wall. The distance from the top of the ladder to the base of the wall is 17 feet. The dis

Gennadij [26K]

Answer:

18.4 feet

Step-by-step explanation:

-use the formula C^2 = A^2 + B^2 for a right triangle, which is made by the ladder and the wall.

-let the ladder be C, the wall be a, the base to the bottom be b.

-substitude into the equation, which will leave us with:

C^2 = 17^2 + 7^2

C^2 = 289 + 49

C^2 = 338

C = square root of 338, which is 18.4 feet!

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3 years ago

Which graph shows a proportional relationship?

ANEK [815]

The first and the second and the last one

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3 years ago

Read 2 more answers

Five times the sum of a number and 27 is greater than or equal to six times the sum of that num

stepladder [879]

Question:

Five times the sum of a number and 27 is greater than or equal to six times the sum of that number and 26.

What is the solution set of this problem?

Answer:

$x \leq -21$

Step-by-step explanation:

Given

Represent the number with x

So:

$5 * (x + 27) \geq 6 * (x + 26)$

Required

Determine the solution set

$5 * (x + 27) \geq 6 * (x + 26)$

Open Both Brackets

$5 * x + 5 * 27 \geq 6 *x + 6 * 26$

$5x + 135 \geq 6x + 156$

Collect Like Terms

$5x - 6x \geq 156-135$

$- x \geq 21$

Multiply both sides by -1

$x \leq -21$

Hence, the solution set is $x \leq -21$

7 0

3 years ago