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sveticcg [70]
3 years ago
11

Is 9÷1/3 = 9×3? Please help...

Mathematics
2 answers:
lesya [120]3 years ago
5 0
Yup because 1/1 / 1/3= 1/1•3/1
Mars2501 [29]3 years ago
4 0
Yes! Skip, flip, multiply. So you are correct!
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1/2log25-2log3+log8​
Schach [20]

Answer:

log base 10 of 40/9, log(40/9), or 0.6478

Step-by-step explanation:

Easiest and fastest way to do this is to plug it into the calc because the log base 10 of those numbers given will be nasty decimals.

4 0
4 years ago
52 of 85 is what amount
vitfil [10]
<span><span>52 of 85 = Tip $44.19
</span><span>
                 Total $96.19</span></span>
6 0
3 years ago
What is the product of 2.2 + 0.3d- 4
Novosadov [1.4K]

Hey there!

Firstly, you need combine your like terms

  • \bold{2.2AND-4}
  • \bold{0.3d} stays the SAME
  • \bold{2.2-4=-1.8}
  • \bold{0.3d+(-1.8)}
  • Combine the negative and the plus and make a negative symbol
  • \boxed{\boxed{\bold{Answer:0.3d-1.8}}}

Good luck on your assignment and enjoy your day!

~\bold{LoveYourselfFirst:)}


3 0
4 years ago
Read 2 more answers
I need help with #1 of this problem. It has writings on it because I just looked up the answer because I’m confused but I want t
belka [17]

In the figure below

1) Using the theorem of similar triangles (ΔBXY and ΔBAC),

\frac{BX}{BA}=\frac{BY}{BC}=\frac{XY}{AC}

Where

\begin{gathered} BX=4 \\ BA=5 \\ BY=6 \\ BC\text{ = x} \end{gathered}

Thus,

\begin{gathered} \frac{4}{5}=\frac{6}{x} \\ \text{cross}-\text{multiply} \\ 4\times x=6\times5 \\ 4x=30 \\ \text{divide both sides by the coefficient of x, which is 4} \\ \text{thus,} \\ \frac{4x}{4}=\frac{30}{4} \\ x=7.5 \end{gathered}

thus, BC = 7.5

2) BX = 9, BA = 15, BY = 15, YC = y

In the above diagram,

\begin{gathered} BC=BY+YC \\ \Rightarrow BC=15\text{ + y} \end{gathered}

Thus, from the theorem of similar triangles,

\begin{gathered} \frac{BX}{BA}=\frac{BY}{BC}=\frac{XY}{AC} \\ \frac{9}{15}=\frac{15}{15+y} \end{gathered}

solving for y, we have

\begin{gathered} \frac{9}{15}=\frac{15}{15+y} \\ \text{cross}-\text{multiply} \\ 9(15+y)=15(15) \\ \text{open brackets} \\ 135+9y=225 \\ \text{collect like terms} \\ 9y\text{ = 225}-135 \\ 9y=90 \\ \text{divide both sides by the coefficient of y, which is 9} \\ \text{thus,} \\ \frac{9y}{9}=\frac{90}{9} \\ \Rightarrow y=10 \end{gathered}

thus, YC = 10.

4 0
1 year ago
A camp needs 100 students to help with 4-year-old campers. Eight students from 4 different classes have agreed to help. How many
In-s [12.5K]

Answer:

64

Step-by-step explanation:

7 0
3 years ago
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