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3 years ago

How do you read this expression 8(8x+7) and 8(3x)+8(7)

Mathematics

1 answer:

Misha Larkins [42]3 years ago

4 0

Answer:

64x+56 & 24x+56

Step-by-step explanation:

I hope this is what you mean because this is not an equation as it is not set equal to anything.

Both problems solved by distributive property -

8*8x + (8*7) = 64x+56

8*3x + (8*7) = 24x+56

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Mr lee's homeroom class won a pizza party withfive pizzas. The students ate 3 1/3 of the pizzas. How many pizzas are left?

algol13

A whole pizza has 3 x 1/3 pizzas.
So if you eat 3 of 5, 2 pizza lefts.
If you eat 1/3 from 2 pizzas, 1 and 2/3 pizzas left.

Hope this help. :)

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3 years ago

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9) Let<br> X-2, x, x+3 <br> be the first 3 terms of a geometric sequence. FInd the value of x..

Reil [10]

Hello,

Let's r the ration

We suppose x ≠0

x=r*(x-2)==>r=x/(x-2)

x+3=r*x==> (x+3)/x=x/(x-2)==>(x+3)(x-2)=x²
==>x²+3x-2x-6=x² ==>x-6=0==>x=6

x-2=6-4=4
x=6
x+3=6+3=9
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Ration 3/2
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2 years ago

The stem-and-leaf plot above shows house sale prices over the last week in Tacoma. What was the most

VikaD [51]

Answer:

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Step-by-step explanation:

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2 years ago

Sofia takes 10mg of a medicine whose concentration in blood decreases by a factor of one half every day. Let t be the number of

adelina 88 [10]

Answer:

$L = 10(\frac{1}{2} )^{t-4}$

Step-by-step explanation:

If t is the number of days since Sofia took the medication of 10 mg, then the amount of medication in her system after t days will be $S = 10(\frac{1}{2} )^{t}$ .

So, the concentration of medicine in blood decreases by a factor of one half every day.

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3 years ago

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How many times smaller is 4 × 10-9 than 8 × 10-7? A. 200 B. 20 C. 20,000 D. 2,000

masya89 [10]

Answer:

Step-by-step explanation:

4×10-9= 4

8×10-7=21

21-4=17

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3 years ago