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NISA [10]
2 years ago
6

Vic has 14 coins in nickels and quarters the value of this coins is 1.70 how many quarters does he have

Mathematics
1 answer:
marusya05 [52]2 years ago
6 0

Answer:

4 quarters

Step-by-step explanation:

4 quarters = $1

14 nickels = $0.70

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Sam bought a soda and a bag of chips for $3. If the soda cost $1.75, how much was the bag of chips?
Anarel [89]

Answer:

1.25

Step-by-step explanation:

The bag of chips is worth the same as the entire purchase minus the soda.

Therefore the chips are worth 3 - 1.75 = 1.25

3 0
3 years ago
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Which of the following points lies on the circle whose center is at the origin and whose radius is 10?
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The answer is (6,-8)
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3 years ago
Pls help me solve this question, also include step by step calculation ya. Thks
sp2606 [1]

\displaystyle\\Answer:\ x=\sqrt{2}\ \ \ \ \ x=-\sqrt{2}\ \ \ \ \ x=\frac{ln5}{2}

Step-by-step explanation:

5x^2-x^2e^{2x}+2e^{2x}=10

Let:\ x^2=t  \ \ \ \ \ e^{2x}=v\\Hence,\\5t-tv+2v^2=10\\5t-tv+2v^2-10=10-10\\5t-tv-10+2v^2=0\\t(5-v)-2(5-v)=0\\(5-v)(t-2)=0\\5-v=0\\5-v+v=0+v\\5=v\\5=e^{2x}

<em>Prologarithmize both parts of the equation:</em>

ln5=lne^{2x}\\ln5=2x*lne\\ln5=2x*1\\ln5=2x\\

<u><em> Divide both parts of the equation by 2:</em></u>

\displaystyle\\x=\frac{ln5}{2}

t-2=0\\t-2+2=0+2\\t=2\\x^2=2\\x=\sqrt{2} \\x=-\sqrt{2}

6 0
1 year ago
There are 375 seniors in harris high school. The ratio of boys to girls is 7:10. How many girls are in the senior class?
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If QRST is a rectangle with QT = 30 and RS = 4x + 10, find x.
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The opposite side pairs in a rectangle are congruent, so basically QT would be congruent to RS when you draw the rectangle and label the points.
4x+10=30
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x=5
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3 years ago
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