3 years ago

Here are four number cards.

Mathematics

1 answer:

vfiekz [6]3 years ago

6 0

Answer:

its number 6

Step-by-step explanation:

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Reece is putting in a circular pool in his backyard. Th

pishuonlain [190]

Answer:

Step-by-step explanation:

we have to find out the circumference of the pool

C=2*3.14*r

d=36, r=18

C=2*3.14*18=113.04 ft

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3 years ago

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If 3x-y=123x−y=123, x, minus, y, equals, 12, what is the value of \dfrac{8^x}{2^y} 2 y 8 x start fraction, 8, start superscrip

julia-pushkina [17]

Answer:

$2^{12}=4,096$

Step-by-step explanation:

You know that $3x-y=12$ and have to find

$\dfrac{8^x}{2^y}$

Use the main properties of exponents:

1. $(a^m)^n=a^{m\cdot n}$

2. $\dfrac{a^m}{a^n}=a^{m-n}$

Note that

$8=2^3,$

then

$7^x=(2^3)^x=2^{3\cdot x}=2^{3x}$

Now

$\dfrac{8^x}{2^y}=\dfrac{2^{3x}}{2^y}=2^{3x-y}$

Since $3x-y=12,$ then $2^{3x-y}=2^{12}=4,096$

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3 years ago

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First right answer for both gets brain

Flura [38]

102+56= 158×2=316+338=654
she spent 654 on rent

71+7=78
y=x/4
78=x-y
plug in
78=x-x/4
78=4x/4-x/4
78=3x/4
312=3x
x=104
he got 104 from mowing the lawn

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3 years ago

Plsss answer this for meeeee

pashok25 [27]

Answer: x = 10
Explanation:
5x + 4x = 90
9x = 90
9x/9 = 90/9
x = 10

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3 years ago

Sally is paid a fixed amount of money to walk her neighbor's dog every day after school. When she is paid each month, she puts a

tankabanditka [31]

She will have enough to buy a lambo

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3 years ago