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Mandarinka [93]
3 years ago
7

A vertical yard stick casts a shadow

Mathematics
1 answer:
kondaur [170]3 years ago
6 0

Answer:

The flagpole is 24 feet tall hope it helps

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Can you solve this for me by: 
Slav-nsk [51]
2a^2-32

2*a^2-2*16

2*(a^2-16)

but we have a Difference of two square

x^2-y^2=(x+y)*(x-y)

now you can see it very well

2*(a^2-4^2)

so

\boxed{\boxed{2*(a-4)*(a+4)}}
7 0
3 years ago
Stella wants to buy colored pencils that cost $3.50. She has 1 dollar, 5 quarters, 4 dimes, and 7 pennies. Does she have enough
Andrews [41]

Answer:

no

Step-by-step explanation:

Lets she how much money she has

1.00   dollars

5 * .25 = 1.25 quarters

4 * .10 = .40 dimes

7 * .01 = .07 pennies

Add it all together

1 + 1.25+ .40 +.07 =2.72

3.50 - 2.72 =.78

She is 78 cents short

6 0
3 years ago
Thank you for you help
Harrizon [31]

the first simple interest will be $1.73 more than the second one.

<h3>Which is the difference between the two interests?</h3>

The loan is of $575, and there are two options:

7 years at 4.5% or 8 years at 3.9%

Remember that the simple interest formula is:

SI = (P*R*T)/100

Where:

P = principal value.

R = rate (this is the percentage per year)

T = time, in years.

Then for the first option. the interest will be:

SI = ($575*4.5*7)/100 = $181.13

For the second option we will have the interest:

SI'  =( $575*3.9*8)/100 = $179.4

The difference is:

$181.13 - $179.4 = $1.73

This means that the first simple interest will be $1.73 more than the second one.

If you want to learn more about simple interests:

brainly.com/question/20690803

#SPJ1

7 0
1 year ago
The matrix method is being used to solve the system of equations x + 2y = 4 and 3x - y = 6.
Ira Lisetskai [31]

Answer: b) multiply row 1 by -3 and add the result to row 2


Step-by-step explanation:


8 0
3 years ago
Please help me I need it
Kobotan [32]

Answer:

A

Step-by-step explanation:

You use the quadratic equation and substitute these values from the equation given

a=1,b=5, c=2

Which gives you the value of option A

6 0
3 years ago
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