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Wittaler [7]
3 years ago
6

Add: 4.15+2.15 8.15 2.5 4.15 1.5

Mathematics
1 answer:
nadezda [96]3 years ago
6 0
4.15
+ 2.15
=6.30
That’s the answer
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4. Find the solution for each equation:<br> x + 4 = 16
Alex777 [14]

Answer:

x=12

Step-by-step explanation:

when solving and equation with a variable, you must work backwards and do the opposite of the equation

sooo… you must subtract 4 (opposite of +4 is -4)

16-4=2

x=12

3 0
2 years ago
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Factor completely 2x^3+6x^2+10x+30
beks73 [17]

Answer:

2(x+3) (x^2 + 5)

Step-by-step explanation:

7 0
3 years ago
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−3(2+4k)+7(2k−1) eqivalent expression
Alex17521 [72]

Answer:

\large\boxed{-3(2+4k)+7(2k-1)=2k-13}

Step-by-step explanation:

-3(2+4k)+7(2k-1)\qquad\text{use the distributive property}\ a(b+c)=ab+ac\\\\=(-3)(2)+(-3)(4k)+(7)(2k)+(7)(-1)\\\\=-6-12k+14k-7\qquad\text{combine like terms}\\\\=(-12k+14k)+(-6-7)\\\\=2k-13

6 0
3 years ago
Michelle is building a rectangular landing strip for airplanes .She has material to cover 1/1,500 of a square mile. The landing
ANEK [815]
I think that the missing word here is:
"with the amount of the material that Michelle has"

Let's say that her landing strip is x miles long, then its area would be:


\frac{1}{6} *x

We also know how big it is:

\frac{1}{6} *x= \frac{1}{1 500}

now, let's multiply both sides by 6:
\frac{6}{6} *x= \frac{6}{1 500}
1 *x= \frac{3}{750}
x= \frac{1}{250}


So the answer is that it would be x= \frac{1}{250} miles wide






3 0
3 years ago
Ibout lt
Vikki [24]
It is 60 times greater because 60 pennies=6 dimes . 6 dimes=60 pennies
Or
10 times greater because 6×10=60 60=6 dimes
8 0
3 years ago
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