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Kazeer [188]
3 years ago
9

Ricardo has 2020 coins, some of which are pennies (1-сent coins) and the rest of which are

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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PLEASE HURRY!! What are the solutions to the system of equations?
Nonamiya [84]

Answer:

(0,6),(-2,0)

Step-by-step explanation:

The given equation are;

y=x^2+5x+6

and

y=3x+6

We equate both equations to get;

x^2+5x+6=3x+6

Regroup all terms on the left hand side to obtain;

x^2+5x-3x+6-6=0

x^2+2x=0

Factor;

x(x+2)=0

x=0,x+2=0

x=0,x=-2

We can put the values of x into any of equations preferably the linear equation to get;

y=3(0)+6=6, when x=0.

and

y=3(-2)+6=0, when x=-2.

The solutions are

(0,6),(-2,0)

3 0
4 years ago
HELP ASAP!!!
Lostsunrise [7]

Answer:

5

Step-by-step explanation:

The triangle is an isosceles triangle meaning it has two equal sides and two equal base angles. 52 and y are the base angles. This means y=52.

To find x, use that the sum of all the angles of a triangle is equal to 180 by adding the angles together.

52+52+14x+6=180

110+14x=180

14x=70

x=5

3 0
3 years ago
Divide 571.85 by 1,500. Round to the nearest thousandth
arsen [322]
The answer would be 0.381.
8 0
4 years ago
Read 2 more answers
AREAS AND VOLUMES OF SIMILAR SOLIDS URGENT?
Novosadov [1.4K]

Two similar prisms have proportional dimensions. Find the ratio between lengths of these prisms:

k=\dfrac{7}{5}.

The ratio between volumes of similar prisms is

\dfrac{V_{large}}{V_{small}}=k^3.

If volume of small prism is 50 cub. m, then

\dfrac{V_{large}}{50}=(\dfrac{7}{5} )^3=\dfrac{343}{125},\\V_{large}=\dfrac{343\cdot 50}{125} =137.2cub. m.

Answer: 137.2 cub. m.

6 0
4 years ago
Link rode his bike at a steady rate of 15 miles per hour for 2 1/2 hours. What distance did he travel
zvonat [6]
Answer: 37.5 miles
explanation: multiply the rate of speed by the amount of time in order to find the distance:

15 miles per hour x 2.5 hours
= 37.5 miles



6 0
4 years ago
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