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r-ruslan [8.4K]
2 years ago
5

5x -9=2y por suma y resta ecuacion

Mathematics
1 answer:
Sindrei [870]2 years ago
6 0
Multiplica los números: 5x-9=2y
-45=2y
2y=-45
Y=-45/2
Ecuación:
5x-9=2y
-45=2y
2y=-45
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The values in the table represent a function.
Hatshy [7]

Given:

The values in the table represent a function.

x          f(x)

-2          1

1            3

4          -2          

-3          0

0           4

To find:

Function notation for the ordered pair given in the first row in the table.

Solution:

We know that, if a point (a,b) is on the function, then f(a)=b.

From the given table, the ordered pair given in the first row is (-2,1). So,

f(-2)=1

Therefore, f(x)=1 when x is -2.

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2 years ago
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Chicago, Illinois has an elevation of 600 feet. Seely, California is -200 feet. What does 0 represent in the context of this sit
tatyana61 [14]

Answer:

Sea level

Step-by-step explanation:

In geography, 'Elevation' is measured in relation to sea level, so sea level would be zero.

Thus, Chicago is 600 feet above sea level and Seely, California is 200 feet below sea level.

If there were nothing but flat land all the way from Seely to the ocean, sea water would come in and cover Seely. Fortunately for the people in Seely. California's coastal mountain range is between the town and the ocean, so that does not happen.

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3 years ago
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Sophie [7]

P1 = 10 m²

P2 = 22 m²

P3 = ?

According to Pythagoras' theorem:

P1 + P2 = P3

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3 years ago
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Help need to be done soon​
nikitadnepr [17]

<u>Given</u>:

Given that the measure of arc DF is 162°

We need to determine the measure of ∠E

<u>Measure of ∠E:</u>

The measure of ∠E can be determined using the inscribed angle theorem.

Thus, by inscribed angle theorem, we have;

\angle E=\frac{1}{2}(m \widehat{DF})

Substituting m \widehat{DF}=162^{\circ}, we get;

\angle E=\frac{1}{2}(162^{\circ})

Dividing, we get;

\angle E=81^{\circ}

Thus, the measure of ∠E is 81°

6 0
3 years ago
Please just help please
Simora [160]

Answer:

1. Yes the parentheses are necessary. To find a fourth of her regular hours you must find the total amount she works during her regular hours.

2. 6

Step-by-step explanation:

(For the second question)

4+8= 12

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