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3 years ago

9

A rectangular backyard measures 15 yards by 20 yards. There is a square flower bed with sides of 3 yards in the middle. What is

the area of the yard only?

1 answer:

Delvig [45]3 years ago

6 0

How to solve: (15x10)-(3x3)
Answer(hopefully is right): 291

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If y varies directly as x, and x= 8 when y= 24, what is the value of x when y= 48

saveliy_v [14]

8/24 = x / 48
cross multiply
(24)(x) = (8)(48)
24x = 384
x = 384/24
x = 16 <===

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2 years ago

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kodGreya [7K]

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What is the answer to this question please explain (picture included)

Yakvenalex [24]

Easy peasy
just use PEMDAS and some exonential laws

$(x^{m})(x^{n})=x^{m+n}$
$(x^{m})^{n}=x^{mn}$
$(ab)^{m}=(a^{m})(b^{m})$

also another is $x^{\frac{m}{n}}=\sqrt[n]{x^{m}}$

so

$[3(2a)^{\frac{3}{2}}]^{2}$ =
$(3^{2})((2a)^{\frac{3}{2}}^{2})$ =
$(9)((2a)^{\frac{3}{2}}^{2})$ =
$(9)((2a)^{\frac{6}{2})$ =
$(9)((2a)^{3})$ =
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$72a^{3}$

3 0

3 years ago

Brainliest if you give steps

Tems11 [23]

Answer:

65

Step-by-step explanation:

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8 0

2 years ago

A radio station plays a total of 272 pop, rock, and hip-hop songs during a day. The number of pop songs is 3 times the number of

Nostrana [21]

Answer:

x + y + z = 272 - - - - - - (1)

x = 3y - - - - - - - - - - - - - (2)

z = 32 + y - - - - - - - - - - (3)

Step-by-step explanation:

Let :

Number of pop songs = x

Number of rock songs = y

Number of hophops = z

Sum of the three types of songs = 272

x + y + z = 272 - - - - - - (1)

Pop is 3 times Rock :

x = 3y - - - - - - - - - - - - - (2)

Hiphop is 31 more than rock

z = 32 + y - - - - - - - - - - (3)

3 0

2 years ago