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Vlad [161]
2 years ago
10

Help help help math math

Mathematics
1 answer:
horrorfan [7]2 years ago
7 0

Answer:

-6x-10

Step-by-step explanation:

you multiply 3x by -2

and 5 by -2

never forget the negative

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If the simple interest on ​$7000 for 3 years is ​$1890​, then what is the interest​ rate?
hoa [83]

Answer:

0.09 or 9%

Step-by-step explanation:

I = Prt

Given:

I = 1890

P = 7000

t = 3

Work:

I = Prt

r = I/(Pt)

r = 1890/(7000 x 3)

r = 1890/21000

r = 0.09

4 0
2 years ago
At a restaurant the cost for a breakfast taco and a small glass of milk is $2.10. The cost for 2 tacos and 3 small glasses of mi
tangare [24]

Answer:

The price for a small glass of milk is $0.95, and the price for a breakfast taco is $1.15.

Step-by-step explanation:

Let the price of a taco be x and the price for a small glass of milk be y.

x + y = 2.1

2x + 3y = 5.15

Multiply the first equation by 2:

2x + 2y = 4.2

Subtract the new third equation from the second equation:

(2x + 3y) - (2x + 2y) = 5.15 - 4.2

y = 0.95

Hence, the price for a small glass of milk is $0.95.

Substitute y into the first equation.

x + 0.95 = 2.1

x = 1.15

Therefore, the price for a breakfast taco is $1.15.

Hope this helped!

3 0
2 years ago
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I need help please i did not understand
antoniya [11.8K]

Answer:

Step-by-step explanation:

Add up all the values for the height and divide by 9. do the same for the leaf scars.

8 0
2 years ago
Solve the equation by putting it in factored form and using the Zero Product Property: x2 + 12x +11 = 0
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janarver 12- mae verdemax x-

Step-by-step explanation:

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2 years ago
Please help me! I need this answered fast!
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Answer:

Number 5 is D

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3 years ago
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