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ollegr [7]
3 years ago
15

Use the substitution method to solve the system of equations 8x5y=9 y=x+7

Mathematics
1 answer:
Greeley [361]3 years ago
3 0

Answer:

( − 7.00006693 , − 0.00006693 )    ( 0.68099975 , 7.68099975 )

Step-by-step explanation:

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natima [27]

Step-by-step explanation:

Since Angle DAE = Angle BCE, lines AD amd BC are parallel (by Z-angles).

This means that Angle ADE = Angle CBE (by Z-angles).

We have 2 congruent angles and 1 congruent side (AD = BC, given).

By ASA congruence, triangles AED and CEB are congruent.

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3 years ago
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The ratio of x to y is 1/2 . If the ratio of x + 2 to y + 1 is 2/3 , then what is the value of x?​
Natali5045456 [20]

Answer:

x =4

Step-by-step explanation:

x/y = 1/2

(x + 2) / (y + 1) = 2/3

Cross multiply the first equation

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6 = 4x - 3x + 2

6 = x + 2                                  Subtract 2 from both sides

6-2 = x

x = 4

5 0
3 years ago
What is 11/5 in a decimal
Vesnalui [34]

You can divide it and get 2.2

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3 years ago
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Hello, can I please get help in the image below? Thank you so much!
vodomira [7]
C.
x + 4 9 + 2 8 = 1 8 0
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Point D is in the interior of
Natalija [7]

Answer:

Angle ABC,

Step-by-step explanation:

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