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matrenka [14]
3 years ago
6

How much was invested in the energy

Mathematics
1 answer:
Fofino [41]3 years ago
6 0

The time it will take before Diego catches up with Linh will be after 8 hours

Let :

  • Distance traveled = d

<u>Diego</u> :

  • Travel speed = 75 mph
  • Travel time = t

<u>Linh</u>:

  • Travel speed = 60 mph
  • Travel time = t + 2

Recall :

  • Distance covered = speed × time

  • Distance covered by Linh = 60(t + 2)
  • Distance covered by Diego = 75t

<u>Time</u><u> when Diego catches up with Linh</u> :

Diego's distance = Linh's distance

75t = 60(t + 2)

Solve for t ;

75t = 60t + 120

Collect like terms

75t - 60t = 120

15t = 120

Divide both sides by 15 to isolate t

t = (120 / 15)

t = 8

Hence, Diego will catch up with Linh after 8 hours.

Learn more : brainly.com/question/13218948

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Delaney bought a new car for $34,742 she was surprised that the dealer then added 1,945.55. what was the sales tax rate for this
Gemiola [76]

Answer:

5.6%

Step-by-step explanation:

$34,742. X 5.6% = $1,945.55

6 0
3 years ago
The cost of 4 dance lessons is $49. The cost of 12 lessons is $117. Write a linear equation to find the total cost C for x lesso
lesantik [10]

Answer:

answer below, I think this is what you mean but idk

Step-by-step explanation:

Write out the 2 points.

(7,82)

(11,122)

2) Find the slope (change in y divided by change in x).

Slope = (122-82) / (11-7) = 40/4 = 10

3) Pick one of the points and insert it into point slope form.

y - 82 = 10(x-7)

y-82 = 10x-70

y = 10x + 12

4) Check your answer on the other point.

82 = 10(7) + 12

82=82

5 0
3 years ago
Read 2 more answers
Rectangle STUV is shown on a coordinate plane. Rectangle STUV with vertices S at negative 7 comma 6, T at negative 2 comma 6, U
rusak2 [61]

The coordinate of the point T after the given transformations is; T''(-2, -4)

<h3>How to carry out Translation Transformations?</h3>

We are given the coordinates of the rectangle STUV as;

S(-7, 6)

T(-2, 6)

U(-2, 1)

V(-7, 1)

Now, we are told that all these coordinates are translated using the transformation rule;  (x, y) → (x − 2, y − 4)

Thus, the new coordinates using this transformation rule are;

S'(-9, 2)

T'(-4, 2)

U'(-4, -3)

V'(-9, -3)

Now, we are told that these new points are  rotated 90° counterclockwise and as such the new coordinates formed will follow the pattern (x, y) → (-y, x).

Thus, our final coordinates are;

S''(-2, -9)

T''(-2, -4)

U''(3, -4)

V''(3, -9)

Thus, the coordinate of the point T after the given transformations is; T''(-2, -4)

Read more about Translation Transformation at; brainly.com/question/4289712

#SPJ1

4 0
2 years ago
Read 2 more answers
In the paper airplane shown
Murrr4er [49]

Answer:

∠GHE = 55°

Step-by-step explanation:

ABCD is a quadrilateral (4 sided figure). We know that the sum of the interior angles (4 angles) of a quadrilateral in 360°.

Thus, A + B + C + D = 360

<em>we know b = c = 90 and a = 125, thus we can find D.</em>

<em>125 + 90 + 90 + D = 360</em>

305 + D = 360

D = 360 - 305 = 55°

<u>Note:</u> since Quadrilateral ABCD is congruent to Quadrilateral EFGH, then the measure of D is equal to measure of H (Angle GHE). Thus

∠GHE = 55°

2nd answer choice is correct

5 0
3 years ago
I need help with this hw please
Tcecarenko [31]

Answer:

a. 6  b. |-23|  c. |-72|  d. 29  g. <  h. >  q. -1, 0, |-2|, |-3|

r. -2, -1, |1|, |-2|  s. -26, -24, |-20|, 21  t. -201, 120, |-121|, 210

Step-by-step explanation:

I really don't want to explain every single one

4 0
4 years ago
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