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iris [78.8K]
3 years ago
14

Linear equation of 5x-2y=40 and 2y+10x-6=0

Mathematics
1 answer:
Anastasy [175]3 years ago
5 0

Answer:

linear equation for 2y+10x=60 is y=-5x+30 .. the other one is invalid

Step-by-step explanation:

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A rocket car on the bonneville salt flats is traveling at a rate of 640 miles per hour. How much time would it take for the car
luda_lava [24]
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4 0
3 years ago
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There are 10 balloons in an arrangement and 7 of them are red. What percentage of red balloons are in the arrangement?
jok3333 [9.3K]

Answer:

70% are red.

Step-by-step explanation:

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0.7 is 70% in percent

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4 0
3 years ago
Find the sum of the sequence. 42+43+44+45+...+107
8090 [49]

Answer:

4917

Step-by-step explanation:

<u>Given sequence: </u>

  • 42, 43, 44, 45, ..., 107

This is AP with common difference of 1, the first term of 42 and the last term of 107

<u>Number of terms:</u>

  • 107 - 42 + 1 = 66

<u>Sum of the terms:</u>

  • Sₙ= 1/2*n*(a₁+aₙ)
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<u>Answer is:</u> 4917

8 0
3 years ago
How do I solve #7? do i add all the angles together like a normal triangle and make it equal to 180?
kobusy [5.1K]

Answer:

126 degrees

Step-by-step explanation:

Triangle: y = 180 - (5x + 4x)

Straight angle: y = 180 - (4x + 30)

180 - (5x + 4x) = 180 - (4x + 30)

5x + 4x = 4x + 30

5x = 30

x = 6

Angle:

y = 180 - (5x + 4x)

y = 180 - 9x

y = 180 - 9(6)

y =  126

7 0
3 years ago
Solve for w in the proportion 32/40 = 28/w W= ?
Nana76 [90]
W= 35 this is because it is and i need 20 characters i don’t know how to explain but it is 35
8 0
3 years ago
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