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xenn [34]
3 years ago
15

Solve for x by using inverse operations. -5x + 6 = 3x - 10 *

Mathematics
1 answer:
serious [3.7K]3 years ago
5 0
X = -2
-5x + 6 = 3x + 10
-2x = 4
x = -2
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I have no idea what im doing
omeli [17]

Answer:

  • x = - 6

Step-by-step explanation:

A hole is an input value that makes both numerator and denominator equal to zero.

<u>Let's factorize the numerator and denominator:</u>

  • 3x² - 108 = 3(x² - 36) = 3(x + 6)(x - 6)
  • x² + 2x - 24 = x² + 6x - 4x - 24 = x(x + 6) - 4(x + 6) = (x - 4)(x + 6)

<u>We have same factor of x + 6:</u>

  • x + 6 = 0
  • x = - 6 is a hole
8 0
2 years ago
Two airplanes, which start 3{,}3003,3003, comma, 300 miles apart, fly toward each other. The two planes fly at a constant speed,
castortr0y [4]

Answer:

distance=rate*time

2520=(r)(3)+(r+90)(3)    (they both travel for 3 hours)

2520=3r+3r+270

2520-270=6r

2250=6r

r=2250/6

r=375 mph

r+90=375+90=465 mph

Step-by-step explanation:

4 0
2 years ago
While shopping, Dawn finds a backpack that she likes on the sale rack. Its original price is $60,
Nadya [2.5K]

No. Because 33 $ is the money deducted from the 60 $. Dawn bought everything for less than 60 $.

So, if Dawn purchases everything on the rack with a 30% discount and 15% coupon the total will indeed make 45%.

We have to take 100% - 45%= 55% to know the reduction number. Let's proceed to the calculations now.

100%= 60 $

1%=60/100

55%= 60/100 × 55 = 33 $

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To find the amount at which she purchased everything, we need to do,

60 $ - 33 $ = 27 $

6 0
3 years ago
Seven more than 1/2 a number
Marina86 [1]

Answer: 7 + 1/2n

”more” means to add an additional value.

:)

6 0
3 years ago
Read 2 more answers
What is the value of the 3 in 63?
Rina8888 [55]

Answer:

ones

Step-by-step explanation:

63

6=60

3=3

so it is in the ones place

6 0
2 years ago
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