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Ne4ueva [31]
2 years ago
14

PLS HELPP Help Solve for x X =​

Mathematics
1 answer:
Basile [38]2 years ago
4 0

Answer:

x = 9

Step-by-step explanation:

The big triangle is similar to smaller one so we can use the side lengths' proportion to find x:

7/4 = (x-3)+8/8

7/4 = (x+5)/8 cross multiply expressions

56 = 4x + 20 subtract 20 from both sides

36 = 4x divide both sides by 4

9 = x

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Express the following as a unit rate :<br><br> 5 croissants for $10
raketka [301]

Answer:

$2/croissant

Step-by-step explanation:

$10÷ 5croissants = $2/ 1 croissant

7 0
3 years ago
Plane traveled 1120 miles each way to Munich and back. The trip there was with the wind. It took 10 hours. The trip back was int
kotegsom [21]

Answer:

  • 84 mph and 28 mph

Step-by-step explanation:

Let the speed of plane is p and speed of the wind is w.

<u>Then we have:</u>

  • 10*(p + w) = 1120 ⇒ p + w = 112
  • 20*(p - w) = 1120 ⇒ p - w = 56

<u>Sum the two equations and solve for p:</u>

  • p + w + p - w = 112 + 56
  • 2p = 168
  • p = 84

<u>Find w:</u>

  • 84 + w = 112
  • w = 112 - 84
  • w = 28
6 0
2 years ago
Is 2/3 greater than 10/18
SVEN [57.7K]
2/3 is greater than 10/18
4 0
3 years ago
Read 2 more answers
Which statement about convergent infinite
balandron [24]

Answer:

B) Convergent infinite geometric series sum to a single value

Step-by-step explanation:

An infinite geometric series of the form \[ \sum_{r=1}^{\infty} ar^{n-1} converges if |r|, so the summation of the series will result in a single value if that is true.

8 0
2 years ago
Which lines is a parallel to the line y=1/2x+5 and passes through the point (-2,1)?
Archy [21]

Answer:

The answer is: y = 1/2x + 2

Step-by-step explanation:

Given equation: y = 1/2x + 5

Given point: (-2, 1)

The slope of the given line is 1/2. Parallel lines have the same slope.

Use the point slope form and solve for y:

y - y1 = m(x - x1)

y - 1 = 1/2(x - (-2))

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

y - 1 = 1/2x + 1/2 * 2

y - 1 = 1/2x + 1

y = 1/2x + 2

Proof:

f(-2) = 1/2(-2) + 2

= -1 + 2

= 1, giving point (-2, 1)

Hope this helps!! Have an Awesome Day!! :-)

5 0
3 years ago
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