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2 years ago

Suppose x and y are positive integers that satisfy the following equation: 7xy + 7y - 9x + 10 = 2019 Find the sum of x and y.

2 answers:

7 0

<h2>option E is correct No possible values . </h2>

Aloiza [94]2 years ago

6 0

Answer:

no possible values is the correct answer

thank you

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Find a,b such that 7.2, a, b, 3 are in A.P.

leonid [27]

Answer:

The value of a = 5.8

The value of b = 4.4

Step-by-step explanation:

Given

7.2, a, b, 3 are in A.P

$2a = 7.2+b$

$b = 2a - 7.2$

a, b, 3 are also in A.P

$2b\:=\:a\:+\:3$

Putting $b = 2a - 7.2$

$2\left(2a-7.2\right)=a+3$

$4a-14.4=a+3$

$\mathrm{Add\:}14.4\mathrm{\:to\:both\:sides}$

$4a-14.4+14.4=a+3+14.4$

$4a=a+17.4$

$4a-a=a+17.4-a$

$3a=17.4$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3a}{3}=\frac{17.4}{3}$

$a=5.8$

Now, plugging $a=5.8$ in $b = 2a - 7.2$

$b=2\left(5.8\right)-7.2$

$b=2\cdot \:5.8-7.2$

$b=11.6-7.2$

$b=4.4$

Therefore,

The value of a = 5.8

The value of b = 4.4

4 0

3 years ago

Find the center of the circle that can be circumscribed about EFG with E(4, 4), F(4, 2), G(8, 2). (3, 6) (4, 2) (4, 4) (6, 3)

Lesechka [4]

Answer:

(6,3)

Step-by-step explanation:

8 0

2 years ago

One - eighth of 7.92 x 10^10

liraira [26]

The answer is 9900000000 (thats 8 zeros) What you do is you find 10^10 which is 10000000000 (ten zeros) and multiply that by 7.92 to get 79200000000 then you just multiply it by 1/8 to get the answer.

3 0

2 years ago

Write the coordinate of G'after G(1, 2) was reflected over the line y=x.

Vikentia [17]

Answer:

(-1,2)

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Simplify: x²yx^4y + a²a^10 a2q10 - b^3b^3b + 5²c (5) ( It comes with a photo)

ICE Princess25 [194]

Answer:

a^14q^10+x^6y^2−b^7+125c

( I hope this was helpful ) >;D

3 0

2 years ago