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Vitek1552 [10]
3 years ago
11

. Richard can walk 3 miles in the same

Mathematics
1 answer:
Fantom [35]3 years ago
8 0

Answer:

13miles

Step-by-step explanation:

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Practice writing and solving quadratic equations.
liberstina [14]

Answer:

\boxed{\sf \ \ \ x^2 + x -72 = 0 \ \ \ }

Step-by-step explanation:

Hello,

We need to use the <u>distributive property</u> which means that for a, b and c real numbers a(b+c)=ab+ac

So here we can write

x(x+1)=72\\ x*x+x*1=72\\ x^2 + x -72 = 0\\

do not hesitate if you have any question

8 0
3 years ago
Please help, the questions just have to be simplified
dimaraw [331]
6c^2d^{-3}\ \times\ 3c^3d^{-4}=6\cdot3\cdot c^{2+3}d^{-3+(-4)}=18c^5d^{-7}=\frac{18c^5}{d^7}


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3 years ago
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Jose's school spent $1284 on 9 sticksof memory and a new hard drive. The hard drive cost $168. Which is the reasonable estimate
myrzilka [38]
Subtract the cost of the hard drive from the original $1284 and divide the answer you got by the 9 sticks of memory for your answer.
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4 years ago
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1
user100 [1]

Answer:

This might be wrong but I think it is C

Step-by-step explanation:


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How does a fraction model help you
goblinko [34]

Answer:

Fraction models can help clarify ideas that are often confused in a purely symbolic mode and construct mental terms that help them to perform fraction tasks meaningfully.

Step-by-step explanation:

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