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Alex787 [66]
4 years ago
14

Can someone help me out pls

Mathematics
1 answer:
AfilCa [17]4 years ago
3 0

Answer:

30

Step-by-step explanation:

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What is the surface area (in square meters) of a box with length of 3 m, width of 4 m and a height of 2 m? Round to the nearest
djyliett [7]

Answer:

C) 52

Step-by-step explanation:

=  2x 4x  3x  2x  3x  2x  4

Hope this helps!

4 0
3 years ago
The table shows how a leading automobile dealer plans to spend its advertising dollars for this year. If this company plans to i
andrew-mc [135]
$425 is the awnser for this one have a great day
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3 years ago
A metallugarist has an alloy with 6% titanium and an alloy with 20% titanium. He needs 100 grams of an alloy with 13% titanium.
dsp73
\bf \begin{array}{lccclllll}
&amount(g)&\textit{\% of titanium}&\textit{grams of titanium}\\
&-----&-----&-------\\
\textit{6\% alloy}&x&0.06&0.06\cdot  x\\
\textit{20\% alloy}&y&0.2&0.2\cdot  y\\
----&-----&-----&-----\\
mixture&100&0.13&100\cdot 0.13\to 13
\end{array}

so.. .whatever those amounts are, of "x" and "y", for the mixture,
they must add up to 100 grams, or x + y = 100

and the titanium percentage of that sum, must yield a 13 grams of titanium on those 100 grams

thus \bf \begin{cases}
x+y=100\to y=\boxed{100-x}
\\\\
0.06x+0.2\boxed{y}=13
\end{cases}

do the substitution, and solve for "x",

what's "y" amount?  well, y = 100 - x
4 0
3 years ago
– 3х – бу = 17; (6, 3)
almond37 [142]

I'm going to assume that you want to know whether the coordinate satisfies the equation. Let's find out;

-3х - 6у = 17

-3(6) - 6(3) = 17

-18 - 18 = 17

-36 ≠ 17

The point (6, 3) does NOT satisfy the equation.

Best of Luck!

8 0
3 years ago
Which number is irrational?
Leviafan [203]

Examples include but not limited to: 2, 3, 5

8 0
3 years ago
Read 2 more answers
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