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MrRissso [65]
3 years ago
13

- 7w - 3(4w + 8) = 11 Solve​

Mathematics
2 answers:
sesenic [268]3 years ago
6 0

Answer:

w=-1.842

Step-by-step explanation:

   -7*w-3*(4*w+8)-(11)=0

   -7w-12w-24-11=0

  -19w=25

w=-1.824

ehidna [41]3 years ago
5 0

Answer: w = 7

Step-by-step explanation:

- 7w - 3(4w + 8) = 11

- 7w - 12w - 24 = 11

-19w = 11 + 24

w = 35/-19

w =- 1,84

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What is the product? Enter your answer as a fraction, in simplified form, in the box. −1/4⋅(−6/11)
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Answer:

3/22

Step-by-step explanation:

-1/4 . (-6/11)

  • You have to multiply the signs: As both are negative, the result will be positive.
  • You have to multiply the numbers in the top part (numerators) and the numbers in the bottom part (denominators)

1 . 6 / 4 . 11 = 6/44

  • Finally, you must simplify the answer by dividing both numbers among the same divisor, in this case the number is 2

6÷2 / 44÷2 = 3/22

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3 years ago
A car with 26 miles per gallon. How many miles can it travle on 2 1/2 gallon of gas?
Oliga [24]
The car can travel 75 miles on 2 1/2 gal. of gas
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Find the surface area of the right square pyramid. Round your answer to the nearest hundredth.
jekas [21]

Answer:

A. 176

Step-by-step explanation: First, to find the surface area to each triangle, you multiply the base times the height by 1/2. It is 28 for each triangle. Multiply that by 4, and you get 112. Then, the surface area of the square on bottom is 64. When added together, you get 176. No rounding needed. Hope it helped and is correct!

7 0
3 years ago
Solve the quadratic equation for x in the simplest equation -6x^2+15x+9=0
Alexus [3.1K]

Answer:

x = 3, -1/2

Step-by-step explanation:

Use the quadratic formula:  x = [-b ± √b² - 4ac]/2a

The square root sign should be over the entire expression b² - 4ac

In this problem, a = -6, b = 15, and c = 9

So, putting in those values, we get x = -15 ± √225+216, all divided by -12

Simplifying further, we get -15 ± 21 all divided by -12, or -36/-12 = 3 OR

6/-12 = -1/2

6 0
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3. Find the value of x and explain your reasoning<br><br> (4x - 8)<br> (3x + 10) (11x + 2y)º
jolli1 [7]

The question is an illustration of angles on a straight line

The value of x is 25.4

<h3>How to determine the value of x</h3>

In the figure, angles 1 and 2 are angles on a straight line

Where:

  • Angle 1 = 4x - 8
  • Angle 2 = 3x + 10

So, we have:

4x - 8 + 3x + 10=180

Collect like terms

4x  + 3x =180 - 10 + 8

7x =178

Divide through by 7

x =25.4

Hence, the value of x is 25.4

Read more about angles at:

brainly.com/question/12054594

6 0
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