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Doss [256]
3 years ago
5

15 point:Which label on the cone below represents the center of the base?

Mathematics
1 answer:
Masja [62]3 years ago
7 0

Answer:its C because the base is the bottom of the figure and C goes to the middle point at the bottom of the figure

Step-by-step explanation:

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An n-digit number is a positive number with exactly n digits. Nine hundred distinct n digit numbers are to be formed using only
kolbaska11 [484]

\underbrace{3\cdot3\cdot3\cdot\ldots}_{n}\geq900\\\\
3^n\geq900\\\\
\log_3 3^n\geq \log_3900\\\\
n\geq \log_3900\\\\
n\geq\dfrac{\ln 900}{\ln 3}(\approx6.2)

So, the least n is 7.

5 0
3 years ago
Alice earned $622.50 in interest on her savings in the bank. Before interest, the account had $12,450. What is the approximate p
Lubov Fominskaja [6]

<u><em>Answer:</em></u>

5%


<u><em>Explanation:</em></u>

% she earned in interest can be calculated by calculating the % of increase in the balance


<u>We have:</u>

Original balance = $12,450

Amount of interest = $622.5

<u>This means that:</u>

new balance = 12,450 + 622.5 = $13,072.5


<u>Now, we can get the percentage of increase:</u>

% of increase = \frac{Value_n_e_w - Value_o_l_d}{Value_o_l_d} *100


<u>Substitute with the values we have to get the percentage of interest earned as follows:</u>

% of interest earned = \frac{13072.5 - 12450}{12450} * 100 = 5%


Hope this helps :)

7 0
3 years ago
Read 2 more answers
Help me again. i need help. thx 4 helping
VARVARA [1.3K]

Answer:

16 square units

Step-by-step explanation:

The formula for the area of a right triangle is ab/2 (a and b both being legs).

First, we find the legs' length which is MK and JK.

Since both points J and K are on the same y level, we look at the X coordinates and see how far apart they are.

Since both points M and K are on the same x level, we look at the Y coordinate.

M is 4 points away from K, so the leg MK is 4 units long.

J is 8 points away from K, so the leg JK is 8 units long.

Plug this into the formula and we get

\frac{4*8}{2}

\frac{32}{2} = 16

8 0
3 years ago
HELP PLEASE
postnew [5]

 

2)  

x^2 - 14x - 32  = x^2 - 16x + 2x - 32  = x(x-16) + 2(x-16) = (x - 16)(x + 2)

<h2>⇒   x^2 - 14x - 32  = (x - 16)(x + 2)</h2>

---------

3)  

2n^2 - 7n - 15  =

= 2n^2 - 10n + 3n - 15 =

=  2n(n - 5) + 3(n - 5) =

= (n - 5)(2n + 3)

<h2>⇒ 2n^2 - 7n - 15  = (n - 5)(2n + 3)</h2>

---------

4)  

<h2> x^2 - 25 = (x - 5)(x + 5)</h2>

5 0
3 years ago
A rectangle and square have the same area.
olganol [36]

Answer:

12x*3x=36x^2

squarelength=\sqrt{36x^2}=6x

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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