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eduard
2 years ago
15

Bashir find some nickels and pennies under the couch cushions how much (money in dollars) does he have if he has 120 nickels and

60 pennies?How much money (in dollars dose he have if he has x nickles and y pennies?​

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
4 0

Answer:

Step-by-step explanation:

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Multiply and Simplify<br> (x-5)(x^3 - 6x - 4)
Whitepunk [10]

Answer:

x4−5x3−6x2+26x+20

Step-by-step explanation:

(x−5)(x3−6x−4)

=(x+−5)(x3+−6x+−4)

=(x)(x3)+(x)(−6x)+(x)(−4)+(−5)(x3)+(−5)(−6x)+(−5)(−4)

=x4−6x2−4x−5x3+30x+20

=x4−5x3−6x2+26x+20

8 0
3 years ago
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kupik [55]

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Step-by-step explanation:

6 0
3 years ago
Start solving #2 with the substitution method
Brums [2.3K]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
A circle has a radius of 7.5 centimeters and a central angle AOB that measures 90 degrees. What is the length of the intercepted
Julli [10]
Since there are 360^{\circ} in a circle, and central \angle AOB = 90^{\circ}, you can see that the part "sliced out" by the central angle is \frac{90^{\circ}}{360^{\circ}} = \frac{1}{4} of the whole circle.

This means that the length of the intercepted arc \stackrel{\frown}{AB} is \frac{1}{4} of the circumference of the circle. So,

\stackrel{\frown}{AB} = \frac{1}{4}(2 \pi r) = \frac{1}{4}(2 \pi (7.5 cm)) = \bf \frac{15 \pi}{4} cm



6 0
3 years ago
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aleksley [76]

Answer:

a) 7 weeks b) George's

Step-by-step explanation:

Sally's score can be modeled by 10x+850.

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We can set them equal to each other to see when they intersect.

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If George overtakes her in the 7th week, of course he'll have the higher score in 12 weeks.

3 0
3 years ago
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