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Elina [12.6K]
2 years ago
11

Help me please this is so hard

Mathematics
1 answer:
maxonik [38]2 years ago
3 0

Answer: D. 136in^2

Step-by-step explanation:

Find the surface area if all sides and add

4*10=40

2*4=8

2*4=8

4*10=40

2*10=20

2*10=20

40+40+8+8+20+20=136

136in^2

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a chef uses 4 3/4 cups of broth for 10 servings of soup.how much broth is is one serving . let x represent amount. 4 3/4/10 =x/1
enyata [817]
Let's firstly convert the mixed fraction to "improper" and then proceed,

\bf \begin{array}{ccll}
\stackrel{broth}{cups}&servings\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
4\frac{3}{4}&10\\\\
x&1
\end{array}\implies \cfrac{\quad \stackrel{mixed}{4\frac{3}{4}}\quad }{x}=\cfrac{10}{1}\implies \cfrac{\quad \frac{4\cdot 4+3}{4}\quad }{x}=\cfrac{10}{1}

\bf \cfrac{\quad \stackrel{improper}{\frac{19}{4}}\quad }{x}=\cfrac{10}{1}\implies \cfrac{\quad \frac{19}{4}\quad }{\frac{x}{1}}=\cfrac{10}{1}\implies \cfrac{19}{4}\cdot \cfrac{1}{x}=\cfrac{10}{1}\implies \cfrac{19}{4x}=\cfrac{10}{1}
\\\\\\
19=40x\implies \cfrac{19}{40}=x
6 0
3 years ago
9/6 as an equivalent fraction
svet-max [94.6K]
3/2 We look for a number that goes into both 9 and 6 without leaving a remainder, and that number is 3
3 0
3 years ago
Perform the indicated computation. Write the answer in scientific notation. 12x10^4\3x10^−2
Paul [167]

Let us consider the given expression:

\frac{12 \times 10^{4}}{3 \times 10^{-2}} in the scientific notation.

= \frac{12 \times 10^{4} \times 10^{2}}{3 }

[Using the law of exponents, which states

a^{m} \times a^{n} = a^{m+n} ]

= \frac{12 \times 10^{6}}{3}

On dividing, we get

= 4 \times 10^{6}

Hence, it is the required scientific notation of the given expression.

6 0
3 years ago
Please help me answer the question in the picture!
Natasha2012 [34]

Answer:

x=75

Step-by-step explanation:

A( I mean angle)+B+C+D=360°

A=C

B=D

2A+2D=360°

A+D=180°

30°+x+x=180°

2x=150°

x=75

7 0
3 years ago
Pls help pls and thank you
Ad libitum [116K]

Answer:

What help????????????????¿???????

6 0
2 years ago
Read 2 more answers
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