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frez [133]
3 years ago
11

Please try and help me with this question I need help

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0
B) an=5^n−1
d) an=10^n−1
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The product of five rational numbers is positive. At most, of these rational numbers can be negative
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Triangle angle sun theorem<br> what the value of y?<br> I will give brainlist
hichkok12 [17]

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y = 7°

Step-by-step explanation:

By interior angle sum theorem of a triangle.

51 \degree + 87 \degree + 6y = 18 \degree \\  \\ \implies 138 \degree+ 6y = 18 0\degree \\  \\  \implies  6y = 180 \degree  - 138 \degree  \\  \implies  6y = 42 \degree  \\  \\ \implies  y =  \frac{42 \degree}{6}  \\  \\  \huge \red{\implies  y =7 \degree} \\  \\

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2 years ago
HEYYYY NOBODY ANSWER MY MATH QUESTION I ASK THIS MORNING THAT'S NOT FAIR!!!
Leviafan [203]

Answer:

( a+b) (a-b)

x^2 - 50

Step-by-step explanation:

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4 0
2 years ago
A clothing store pays $89.47 for a dress. The store’s percent of markup is 50% and the tax is 7.6%. Find the selling price for t
Goryan [66]
Hi,
<span>SP=Selling Price
</span>CP of dress= $ 89.47
percent of mark up = 50%
SP without tax= 100+ mark up % /100 * CP
<span>SP without tax= 100+50/100 * 89.47
</span>SP without tax= 150/100 * 89.47
SP without tax= 1.5 * 89.47
<span>SP without tax= $ 134.205
</span>tot. SP(SP with tax)= 100 + tax %/100 * SP
<span>SP=100 + 7.6/100 * 134.205
</span>SP= 107.6/100 * 134.205
SP= 1.076 * 134.205
<span>SP=  $144.40458
Hope this helps you.</span>
3 0
3 years ago
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