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nevsk [136]
3 years ago
7

I need help with math

Mathematics
1 answer:
Nata [24]3 years ago
8 0

Answer:

Question 13. I believe is C.

Step-by-step explanation:

take your area of the face you are given aka your 7 5/6 and multiply it by six since there are six faces.

You can convert the mixed number to an improper fraction

     7 \frac{5}{6}  = denominator times the whole number ( 6x7)= then add the numerator    (42+5)=\frac{47}{6}

Then multiply by six to get your answer

I'm not completely sure about question number fourteen so I am not answering it.

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Write an equation for a line perpendicular to y= -4x +2 and passing through the point (12,6)
gtnhenbr [62]

Answer:

y=\frac{1}{4} x+3

Step-by-step explanation:

5 0
3 years ago
M(x)=1/x f(x)=2x-10 find the domain restriction of m(R(x))
AlexFokin [52]

Answer:

  • x ≠ 5

Step-by-step explanation:

<u>Given</u>

  • m(x) = 1/x
  • f(x) = 2x - 10

<u>Composite function</u>

  • m(f(x)) = 1/ (2x - 10)

<u>The denominator can't be zero</u>

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  • 2x ≠ 10
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5 0
3 years ago
If f(x) = 9x -2 and g(x) =-2x?, what is the value of f(4) - 9(4)?
otez555 [7]

f(4)=9*4-2 =34 & g(4)= -2*4 =-8 then,

f(4)- g(4) = 34+8= 42

8 0
3 years ago
Read 2 more answers
Bill spent 70 on fertilizer and weed killer for his lawn .Each pound of fertilizer cost 50 cents and each once of weed killer co
meriva

An equation that correctly represent this relationship if x represents the number of pounds of fertilizer and y the number of ounces of weed killer is  0.5x + 3.5y = 70

<u>Solution:</u>

Given that, Bill spent 70 on fertilizer and weed killer for his lawn

Each pound of fertilizer cost 50 cents and each once of weed killer cost 3.50

We have to write an equation, if x represents the number of pounds of fertilizer and y the number of ounces of weed killer.

Now,<em> total amount = amount for fertilizers + amount for weed killers.</em>

Total amount = number of pounds of fertilizers x cost per pound + number of ounces of weed killer x cost per ounce.

\begin{array}{l}{\rightarrow 70=x \times 0.50+y \times 3.50} \\\\ {\rightarrow 0.5 x+3.5 y=70}\end{array}

Hence, the equation is 0.5x + 3.5y = 70

5 0
3 years ago
a file that is 278 megabytes is being downloaded. If downloaded is 14.1% complete, how many megabytes been downloaded? To round
Gekata [30.6K]
14.1% of 278 is 39.2. So 39.2 megabytes have been downloaded.
4 0
3 years ago
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