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gregori [183]
2 years ago
8

Reflection (in Y)

Mathematics
1 answer:
Tanzania [10]2 years ago
7 0
(3;4) percent of the piano 4
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Use Vieta's Theorem to solve the problems.
VladimirAG [237]

Answer:

The answer is -2, -17

Step-by-step explanation:

You write a system of equations

x_{1} +x_{2}=-19\\x_{1}-x_{2}=15

Then you solve:

-2, -17

4 0
3 years ago
Find the value of the variables in each figure. explain your reasoning
V125BC [204]

Answer:

x=24

y=144

Step-by-step explanation:

y= 144(corresponding angle)

y =(x+12) ( straight angle)

7 0
3 years ago
Bess has $2.80 in quarters and dimes. The number of dimes is 7 less than the number of quarters. Find the number of quarters and
Nezavi [6.7K]

Answer:

3 dimes and 10 quarters

Step-by-step explanation:

If you add 7 dimes, then the number of dimes and quarters is the same, and the total increases to $3.50. A dime and a quarter have a value together of $0.35. Since there are equal numbers, the value $3.50 must be made up of some quantity of groups with a value of $0.35. That number of groups must be ...

... $3.50/$0.35 = 10

Thus, there are 10 quarters and 10-7 = 3 dimes.

_____

<em>Using an equation</em>

Let q represent the number of quarters. Then the amount Bess has is ...

... 0.10(q -7) +0.25q = 2.80

... 0.35q - 0.70 = 2.80

... 0.35q = 3.50 . . . . . add 0.70 . . . . . . . this should look familiar

... q = 3.50/0.35 = 10

4 0
3 years ago
Please help it’s due
Andrei [34K]

Answer:

i dnt know

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
1) The United States won 104 gold (9), silver (8), and bronze (b) medals in the 2012
sertanlavr [38]

Answer:

a=a

Step-by-step explanation:

i only know that one

8 0
3 years ago
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