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Fofino [41]
3 years ago
7

in science class mrs.moore students were directed to weight a 300 gram mass on the balance scale tina weighed the object and rep

orted 328 grams
Mathematics
1 answer:
IrinaK [193]3 years ago
4 0

Answer: 9 1/3%

Step-by-step explanation:

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Show that: (3x-1)(x+5)(4x-3) = 12x^3 + 47x^2 - 62x +15 for all values of x. (3x-1)(x+5)(4x-3) = (?????)(4x-3) Expand into 6 term
lara31 [8.8K]
<span>(3x - 1)( x + 5)(4x - 3) = 12x^3 + 47x^2 - 62x +15 </span>
<span>(3x^2 – x + 15x - 5)( 4x – 3 ) = <span>12x^3 + 47x^2 - 62x +15 </span></span>
<span>(3x^2 + 14x - 5)( 4x – 3 ) = <span>12x^3 + 47x^2 - 62x +15 </span></span>
<span>12x^3 – 9x^2 + 56x^2 – 42x – 20x + 15 = <span>12x^3 + 47x^2 - 62x +15 </span></span>
<span>12x^3 – 47x^2 - 62x + 15 = <span>12x^3 + 47x^2 - 62x +15 </span></span>

<span> </span>

8 0
3 years ago
Read 2 more answers
Please help <br>Thank youu​
Rus_ich [418]
How this helps
The volume is 12pi

4 0
3 years ago
The product of two consecutive even integers is 288 find the integers.
algol [13]
Using algebra
n and n+2 are the integers
n*(n+2)=288
n^2+2n=288
n^2+2n-288=0
288=2*2*2*2*2*3*3=(2*2*2*2)*(2*3*3)=16*18 and 18-16=2
factor(n+18)(n-16)=0
n+18=0
n=-18
n+2=-16
this is one solution
n-16=0
n=16
n+2=18
this is another solution
as you can see, it's just a matter of factoring 288using arithmetic...√288=16.97≈1716 and 18 are the integers (as well as -16 and -18)
5 0
3 years ago
Through:(5,0), parallel to y = -x+4
kondor19780726 [428]

If the line is parallel to y=-x+4, the line must have the same slope.

So, the slope of your line is -1.

Now we need to find the y intercept. We should use the point given.

y=mx+b

0=-1(5)+b

b=5

Equation: y=-x+5

6 0
3 years ago
PLEASE HELP!!!!!!!!!!!
Firlakuza [10]
I believe since ABD is 60, DBC is also 60 and then ABC is 120
8 0
2 years ago
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