Suppose a city with population 500,000 has been growing at a rate of 7% per year. If this rate continues, find the population of this city in 11 years.

Answers

Answer 1

Answer:

use compound interest formula.........m

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D = -38t + 220Rachel is driving a race car at a constant speed on a closed course. The formula shown above describes the remaining distance, D, measured in meters, that Rachel has to travel after t seconds. What is Rachel's speed in meters per second?

Answers

Rachel's speed is 38 m/s.

What is Equation?

Equations are mathematical statements with twoalgebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

D = -38t + 220

So, t = 1

D = -38t + 220

D = -38(1) + 220

D = -38+ 200

D = 182 m

So, v = $(D_0 - D_1)$ / t

v = ( 220- 182) /1

v = 38 m/s

Hence, Rachel's speed is 38 m/s.

Learn more about Equation here:

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Answer: 38 meters per second

Step-by-step explanation:

Bruno bought 96 pounds of sugar for his bakery. Every day he used the same amount of sugar to make bakery items. After 10 days, Bruno was left with 15.2 pounds of sugar. On average, how many pounds of sugar did Bruno use each day? 5.60 pounds

8.08 pounds

11.12 pounds

18.46 pounds

Answers

96 - 15.2 = 80.8
80.8 / 10 = 8.08

He was using up 8.08 pounds of sugar daily for his baking, so the answer is the second option.

Answer:

Answer is B so yeah

Multiply or divide as indicated. Leave your answer with no factors in the denominator.

Answers

Answer:

wheres the question??

Step-by-step explanation:

put a question pls

What number would complete the pattern below? 16 4 12 36 9 27 44 11 __

Answers

The answer to this question is 33. Within the sequence are pairs of numbers, and each pair is separated by the resultant figure when they are subtracted from one another. So, 16 - 12 = 4 36 - 27 = 9, and 44 - 33 = 11. Hope that solves the question for you!

John had 75 fliers to post around town. Last week, he posted 1 over 5 of them. This week, he posted 2 over 5 of the remaining fliers. How many fliers has he still not posted?

Answers

John has 50 fliers remaining. If you think about it, he already put up 10 because John put up 1 over 5 and 2 over 5. So 75- 10=65. Now, John put 1 over 5 of them. That is 1 x 5=5. Next, you subtract 65-5 and that is 60. John put 2 fliers over 5 of them so, that is 2 x 5, or 10. 60 - 10 is 50 fliers.

2. The height of a triangle is 5 m less than its base. The area of the triangle is 42 m2. Find the length of the base.(Points : 1)

Answers

Let's start with what we know

Area:
$42 = (1)/(2)bh$ where 42 is the area, b = base, and h = height

Height:
Since we know the height is 5 less than the base, we can write that as an equation.
$h = b - 5$

Now let's go and plug $h = b - 5$ into $42 = (1)/(2)bh$

$42 = (b)/(2)(b-5)$
Let's distribute b over (b-5)

$42 = ( b^(2) - 5b )/(2)$
Let's move 42 over to the right side to make a quadratic formula

$0 = (1)/(2) b^(2) - (5)/(2)b - 42$

Let's plug that into the quadratic equation, which is:

$\frac{-b +/- \sqrt{ b^(2) - 4ac } }{2a}$
And we can now plug the pieces in to calculate b

$\frac{- (-(5)/(2)) +/- \sqrt{ (-(5)/(2))^(2) - 4 ((1)/(2))(-42) } }{2 ((1)/(2)) }$
$\frac{(5)/(2) +/- \sqrt{ (25)/(4) +84 } }{1 }$
${(5)/(2) +/- \sqrt{ (361)/(4) } }$
${(5)/(2) +/- { (19)/(2) }$
Since we can't have a negative value for b (a base can't be negative meters), let's add:

${(5)/(2) + { (19)/(2) }$
${ (24)/(2) }$
$12 = b$

So the base of the triangle is 12m

Answer:

took the quiz and it is correct the answer is 12

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