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2 years ago

I’m doing a math review and still don’t understand this can anyone help.

Mathematics

1 answer:

Dmitry_Shevchenko [17]2 years ago

8 0

Answer:

Step-by-step explanation:

The area of the Sandbox is given as x^2 + 3x

You are also given that the width of the sandbox is x

The question is, what is the length

Formula

Area = L * w Substitute the givens into the formula

x^2 + 3x = L * x Use the distributive property to put brackets on left.

(x^2 + 3x) = L*x Pull out the common factor on the left.

x(x + 3) = L * x Divide both sides by x

x(x + 3)/x = L*x/x

x + 3 = L

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In a park, a sidewalk is built around the edge of a circular garden as shown. The sidewalk is 5 feet wide, and the garden measur

posledela

Answer:

63 feet.

Step-by-step explanation:

The total diameter of the circular garden is given by 5ft+ 10 ft + 5 ft= 20 feet

As the circumference of the circle = 2πr where r = radius obtained by dividing the diameter by 2. Here the diameter = 20 feet and r= d/2 = 20/2 = 10 feet

Putting the values in the circumference formula

Then C= 2(22/7) (10)= 62.85 feet

Rounding gives almost 63 feet .

4 0

3 years ago

HELP 100 POINT FAST (NO WRONG ANSWER) + BRAINLIEST TO WHO EVER ANSWERS FIRST U^U

Ahat [919]

Answer:

$\Large \boxed{\sf A}$

Step-by-step explanation:

$\displaystyle \left(\frac{2}{3}\right)^4$

<em>n</em> → exponent, means to multiply the base number by itself <em>n </em>no. of times.

Here we multiply the base number by itself 4 times.

$\displaystyle \frac{2}{3}\cdot \frac{2}{3}\cdot \frac{2}{3}\cdot \frac{2}{3}$

8 0

3 years ago

Read 2 more answers

Dan buys a car for £2200.

KatRina [158]

Answer:

The worth of the car after 6 years is £2,134.82

Step-by-step explanation:

The amount at which Dan buys the car, PV = £2200

The rate at which the car depreciates, r = -0.5%

The car's worth, 'FV', in 6 years is given as follows;

$FV = PV \cdot \left ( 1 + \dfrac{r}{100} \right )^n$

Where;

r = The depreciation rate (negative) = -0.5%

FV = The future value of the asset

PV = The present value pf the asset = £2200

n = The number of years (depreciating) = 6

By plugging in the values, we get;

$FV = 2200 \times \left ( 1 + \dfrac{-0.5}{100} \right )^6 \approx 2,134.82$

The amount the car will be worth which is its future value, FV after 6 years is FV ≈ £2,134.82 (after rounding to the nearest penny (hundredth))

8 0

3 years ago

A group of students organized a car wash to raise money for a local charity. The students charged $5.00 for each car they washed

Gala2k [10]

The students will earn $180 by washing cars for 9 hours.

In 3 hours the students will earn...

$5 x 12 = $60

5 dollars x 12 cars = 60 dollars

So in 3 hours the group of students will earn $60

In 9 hours the students will earn...

$60 x 3 = $180

Since the students will earn $60 per every 3 hours, you multiply $60 with 3 because if you divide 9 hours by 3 hours you will get 3. The answer you get by multiplying 60 by 3 is 180. Therefore the students can earn $180 from washing cars.

I hope this helps!

3 0

3 years ago

Given the original number n. Multiply the number by 9. Add 99. Divide this sum by 9. Subtract the original number, n, from the q

tangare [24]

Answer:

Step-by-step explanation:

Hello,

Given the original number n.

$\large \boxed{n}$