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2 years ago

Please help with number 16

Mathematics

1 answer:

Andre45 [30]2 years ago

7 0

Answer:

2) reflexive property

3) given

4) substitution postulate

5) substitution postulate

6) addition postulate

7) partition postulate

8) equal length line segments are congruent

9) SSS theorem

Step-by-step explanation:

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Cos/1+Sin = 1-Sin/Cos

ValentinkaMS [17]

Answer:

if you are asking for true or false it would be false

Step-by-step explanation:

6 0

2 years ago

Round to the underlined place.<br>

pickupchik [31]

Answer:

the answer would be 8.38

6 0

3 years ago

Combine the like terms:<br> x + 5x + 10 + 2x + 15

wolverine [178]

Answer:

8<em>x</em> + 25

Step-by-step explanation:

In the second photo.

5 0

2 years ago

Read 2 more answers

The surface area of the cone is 43.75pie cm^2. What is the slant height of the cone and the diameter is 5

Masteriza [31]

If the diameter of the cone is 5, then the radius of it will be half that, or 2.5, thus

$\bf \textit{total surface area of a cone}\\\\
SA=\pi r\stackrel{slant~height}{\sqrt{r^2+h^2}}+\pi r^2~~
\begin{cases}
r=radius\\
h=height\\
------\\
SA=43.75\pi \\
r=2.5
\end{cases}
\\\\\\
43.75\pi =\pi (2.5)\sqrt{r^2+h^2}+\pi (2.5)^2
\\\\\\
43.75\pi -\pi (2.5)^2=2.5\pi \sqrt{r^2+h^2}
\\\\\\
43.75\pi -6.25\pi =2.5\pi \sqrt{r^2+h^2}\implies 37.5\pi =2.5\pi \sqrt{r^2+h^2}
\\\\\\
\cfrac{37.5\pi }{2.5\pi }=\sqrt{r^2+h^2}\implies 15=\sqrt{r^2+h^2}$

3 0

3 years ago

Please show all work thank you math experts you’re the best !

Ne4ueva [31]

Answer:

1. -141

2. 0.98

3. 62.13

Step-by-step explanation:

1. 35 - 176 -> 176 - 35 = 141, then just make it negative

2. 0.55 x 1.79 = 0.9845 -> 0.98

3. 11.38 x 5.46 = 62.1348 -> 62.13

6 0

2 years ago