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labwork [276]
2 years ago
7

Please help answer these questions

Mathematics
1 answer:
vfiekz [6]2 years ago
8 0

<u>Step</u><u> </u><u>1</u>

given

<u>Step</u><u> </u><u>2</u>

\angle HKM \cong \angle OKM, \angle HMK \cong \angle OMK

<u>Step</u><u> </u><u>3</u>

\overline{KM} \cong \overline{KM}

Reason: Reflexive property

<u>Step</u><u> </u><u>4</u>

ASA

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3) If 3 folders cost $2.70, then how much would 8 folders cost? *
Troyanec [42]

Answer:

2.70/3=0.9

0.9x8=7.20

Answer is 3 - $7.20

3 0
3 years ago
Read 2 more answers
Of 60 students, 24 students have a pet.
Sophie [7]

Answer:

Step-by-step explanation:

Ttl students are 60

No. Of students having pets is 24

Therefor

24:60 with pets

30:60 withot pets

8 0
3 years ago
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Evaluate the series:<br> 2-10+50-250..., n=8
garik1379 [7]

The sum of first 8 terms of series is -130208

<em><u>Solution:</u></em>

Given that,

2 - 10 + 50 - 250 , ....

n = 8

Find the common ratio between a term and its previous term

r = \frac{-10}{2} = -5\\\\r = \frac{-250}{50} = -5

Thus common ratio is same

This is a geometric series

<em><u>The sum of terms of geometric sequence is given as:</u></em>

S_n = \frac{a_1(1-r^n)}{1-r}

Where,

r is the common ratio

n is the nth term

a_1 is the first term of series

From series,

a_1 = 2\\\\r = -5\\\\n = 8

Therefore,

S_8 = \frac{2 \times (1 - (-5)^8)}{1-(-5)}\\\\S_8 = \frac{2 \times (1-390625)}{6}\\\\S_8 = -130208

Thus sum of first 8 terms of series is -130208

6 0
4 years ago
Describe how to draw a line that passes through the origin and has a slope of -2/-3?
Sophie [7]
First of all you know it wiill be a positive slope as both the rise and the run are negative. a negative divided by a negative equals a positive. so you can plot the points (2,3) and (-2,-3) as they will be points on this line. next you take a straight line and place it so that both points are intercepted. then extend the line outwards.
7 0
4 years ago
Growth or decay help!!!!
Vsevolod [243]
If the antique's value increases over time, it must be growing (not decaying) in value.

We're told the value increases by 12.12%, which means that if the current value is x, then the value after 1 year is x+0.1212x=1.1212x. Each year, the value increases by the same factor, which means after 2 years, the value is 1.1212(1.1212x)=1.1212^2x; after 3 years, the value is 1.1212^3x; and so on.

Here x is the starting value of the antique. So the answer is the second choice.
5 0
3 years ago
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