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Blizzard [7]
4 years ago
15

Need help with angle theorum Lol.Expert in geometry plzz​

Mathematics
1 answer:
Over [174]4 years ago
4 0

Answer:

x=71

Step-by-step explanation:

All exterior angles add up to 360

x+x-6+x+4+x+2+x+5=360

combine all the x's

5x-6+4+2+5=360

add all the numbers

5x+5=360

isolate 5x by cancelling out 5

5x+5-5=360-5

simplify

5x=355

isolate the variable

5x/5=355/5

simplify

x=71

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The total amount of money (in cents) in x nickels, (x+5) dimes and 2x quarters
Scorpion4ik [409]

\\
\text{Suppose you have x nickels, (x+5) dimes and 2x quarters}\\
\\
\text{we know that the value of 1 quarter is}=\$ 0.25=\text{ 25 cents}\\
\\
\text{value of 1 dime}=\$0.10=10 \text{ cents}\\
\\
\text{value of 1 Nickel}=\$ 0.05=5 \text{ cents}\\
\\
\text{so the total amount of money in cents is}\\
\\
=5(x)+10(x+5)+25(2x)\\
\\
=5x+10x+50+50x\\
\\
=65x+50

So the total amount of money is: (65 x +50 ) cents

7 0
3 years ago
Pls help it is urgent .A trader bought a plate for 120 naira and sold it for 168 naira.What is his percentage profit.
telo118 [61]

Answer:

Percentage profit=40%

Step-by-step explanation:

Cost price=120 Naira

Sold price=168 Naira

Profit=Sold price- cost price

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=48 Naira

Percentage profit=profit/cost price×100

=48/120×100

=0.4×100

=40%

Percentage profit=40%

3 0
3 years ago
W + 3/2 &lt; -8<br><br> Can you help me please?
RUDIKE [14]
I hope this helps you




w +3 < -8.2


w < -16-3


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3 0
3 years ago
Read 2 more answers
The level of a lake was 8 inches below normal. It decrease 1 1/4 inches in June and 2 3/8 inches more in July. What was the new
zloy xaker [14]

Answer:

Step-by-step explanation:

1

the initial level is below normal so it is represented by a negative number. the level continued to decrease in June and July so those changes are also represented by negative numbers. find the sum of these values to find what the new level was with respect to the normal level

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write the mixed numbers as improper fractions

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get common denominator

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3 0
3 years ago
List some factors of 18 and 54
Jobisdone [24]
18=3x6,9x2
54=54x1,18x3
6 0
3 years ago
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