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3 years ago

15

A rectangular lawn measuring 24 feet by 16 feet is surrounded by a flower bed of uniform width. The combined area of the lawn an

d the flower bed is 660 square feet. What is the width of the flower bed?

1 answer:

ArbitrLikvidat [17]3 years ago

5 0

Answer:

6 feet

Step-by-step explanation:

(24+x)(16+x)=660

384+24x+16x+x²=660

x²+40x-276=0

x`= 6

x```= -46......no serve

Answer......is 6 feet

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Which pair of measurements is equivalent?

NNADVOKAT [17]

Let's look at each pair and change it so the first one in the pair will be what the second one will be converted to.
8,600 mg = 86,000 mg; So now, the first one is not equivalent.
2,500 g = 250,000 g; Not that one either.
3.4 kg = 3.4 kg; This one is correct. We can check by checking the last pair.
480 g = .0048 g; Nope.
So 3.4 kg, 3400 g would be the correct answer.

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3 years ago

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In the given diagram abc is a right angle with DG CB segment AB is divided into four equal parts . The coordinates of point F ar

pickupchik [31]

Answer:

E(3.75,-2.5)

G(-0.75,-3)

Step-by-step explanation:

Point E is the midpoint of the segment AB, then it has coordinates

$\left(\dfrac{-3+6}{2},\dfrac{-1+(-3)}{2}\right)=\left(\dfrac{3}{2},-2\right).$

Point F is the midpoint of the segment EB, then it has coordinates

$\left(\dfrac{\frac{3}{2}+6}{2},\dfrac{-2+(-3)}{2}\right)=\left(\dfrac{15}{4},-\dfrac{5}{2}\right)=(3.75,-2.5).$

Let S be the midpoint of segment CB, then it has coordinates

$\left(\dfrac{-3+6}{2},\dfrac{-3+(-3)}{2}\right)=\left(\dfrac{3}{2},-3\right).$

Point G is the midpoint of segment CS, then its coordinates are

$\left(\dfrac{\frac{3}{2}+(-3)}{2},\dfrac{-3+(-3)}{2}\right)=\left(-\dfrac{3}{4},-3\right)=(-0.75,-3).$

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3 years ago

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Three times the sum of a number and seven is two less than five times the number.

m_a_m_a [10]

3 (x + 7) = 5x - 2
3x + 21 = 5x - 2
3x - 5x = -2 - 21

-2x = -23
x = -23/-2
x = 23/2

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3 years ago

Translate fifteen more than twice a number is nine into a equation

Svetach [21]

Fifteen More means to add, so far:
15+

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Also, it's saying twice more. So, 15x since you can't add multiply a number.

is means =
15x = 9 is your answer.

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3 years ago

Alexandra [31]

xy + w = 9

xy = 9 - w

y = ( 9 - w ) / x

x ( 4 - k ) = p

4 - k = p/x

- k = (p - 4) / x

k = - (p - 4)/x

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3 years ago