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Fudgin [204]
3 years ago
10

Reed has 8 more pennies than quarters. He saved 5 times as many pennies as quarters. How much money does he have in all ? Answer

to the cent
Mathematics
2 answers:
nlexa [21]3 years ago
7 0

Answer:

60 cents

Step-by-step explanation:

Let's call p the number of pennies that Reed has, and q the number of quarters. From here, you can set up the following system of equations:

p=q+8

p=5q

Now, you can substitute the second equation into the first:

5q=q+8

4q=8

q=2

Reed has two quarters, and therefore 10 pennies. Since each quarter costs 25 cents and each penny costs 1, 25*2+10*1=60 cents in total. Hope this helps!

mariarad [96]3 years ago
6 0

Answer:

40 pennies

Step-by-step explanation:

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A sector of a circle has a central angle of 100 degrees. If the area of the sector is 50pi, what is the radius of the circle
MrMuchimi

The radius of the circle having the area of the sector 50π, and the central angle of the radius as 100° is <u>6√5 units</u>.

An area of a circle with two radii and an arc is referred to as a sector. The minor sector, which is the smaller section of the circle, and the major sector, which is the bigger component of the circle, are the two sectors that make up a circle.

Area of a Sector of a Circle = (θ/360°) πr², where r is the radius of the circle and θ is the sector angle, in degrees, that the arc at the center subtends.

In the question, we are asked to find the radius of the circle in which a sector has a central angle of 100° and the area of the sector is 50π.

From the given information, the area of the sector = 50π, the central angle, θ = 100°, and the radius r is unknown.

Substituting the known values in the formula Area of a Sector of a Circle = (θ/360°) πr², we get:

50π = (100°/360°) πr²,

or, r² = 50*360°/100° = 180,

or, r = √180 = 6√5.

Thus, the radius of the circle having the area of the sector 50π, and the central angle of the radius as 100° is <u>6√5 units</u>.

Learn more about the area of a sector at

brainly.com/question/22972014

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8 0
10 months ago
PLEASE HELP RIGHT AWAY!!
Katen [24]

Answer:

$17.35/h

Step-by-step explanation:

In order to get the amount per hour he made, you first need to calculate the global amount of money he made.

He was paid $2,900 then he had costs of $1,200, that leaves him a net income of $1,700 ($2,900 - $1,200)

Then he worked a total of 98 hours for that money.

A salary is an amount of money expressed by a period of time.  In this case, we'll use hours.

So, Jonah earned $1,700 after 98 hours of work:

S = $1,700 / 98 hours = $17.35/h

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3 years ago
CAN SOMEONE PLZ HELP ME
yaroslaw [1]

Answer:

The expression for the total cost of the visit to dentist is T = 50 + 100n .

Step-by-step explanation:

As given

The price of a visit to the dentist is $50.

If the dentist fills any cavities, an additional charge of $100 per cavity gets added to the bill.

If the dentist n cavities .

Let us assume that the total cost of the visit to dentist be T.

Than the expression becomes

T = 50 + 100n

Therefore the expression for the total cost of the visit to dentist is T = 50 + 100n .

3 0
2 years ago
HOW TO MAKE 65/390 AN EQUIVALENT RATIO
frozen [14]
The answer is 1:6.
I wrote down the solution in the picture.

8 0
3 years ago
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What is JK? please explain/show your work on how you got your answer​
Travka [436]

Answer:

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Step-by-step explanation:

  • <em>A line segment that connects two midpoints of the sides of a triangle is called a midsegment.</em>
  • <em>A triangle midsegment is parallel to the third side of the triangle and is half of the length of the third side.</em>

Point J is midpoint of side HI as HJ = JI

Point K is midpoint of side GI as GK = KI

JK is midsegment as connects the midpoints of the sides

JK = 1/2HG as per property of midsegment

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JK = 6x - 4 = 6*4 - 4 = 24 - 4 = 20 m

6 0
2 years ago
Read 2 more answers
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