Triangle A is the pre-image in a translation, and triangle B is the image, as shown below.

Mathematics

1 answer:

Lana71 [14]2 years ago

8 0

B. Love miss you have you too she got your

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Find the value of the variable and LN if M is between L and M <br><br> LM=4a,MN=8a,LM=40

Zanzabum

LN = 120 and a = 10

<u>Step-by-step explanation:</u>

If we need to find the variable a as, LN is the line and M is the mid point between L and N. So LN = LM + MN

LM = 4a = 40

a = $\frac{40}{4}$ = 10

MN = 8a = 8×10 = 80

So LN = LM + MN

LN = 40 + 80 = 120

7 0

3 years ago

4. Lin runs 4 laps around a track in 9 minutes at a constant speed.

Alexxx [7]

Answer:

Number of minutes per lap = 2.25 minute

Number of lap per minute = 0.444 lap (Approx)

Time taken for 15 lap = 33.75 minutes

Step-by-step explanation:

Given:

Number of laps = 4

Time taken = 9 min

Computation:

Number of minutes per lap = 9 / 4

Number of minutes per lap = 2.25 minute

Number of lap per minute = 4 / 9

Number of lap per minute = 0.444 lap (Approx)

Time taken for 15 lap = 15 x 2.25

Time taken for 15 lap = 33.75 minutes

3 0

3 years ago

Please hurry! will give brainliest

slega [8]

Answer:

Step-by-step explanation:

If we think about a right triangle, we get that the hypotenuse is 24ft or the length of the ladder. The base of the ladder is 15ft away from the building which is the leg of the right triangle. The screenshot is the diagram (my drawing isn't that good lol:))

Thus we can use cosine function with the angle between the ladder and the ground since we need to find the angle and we get

$cos\alpha = \frac{15}{24}$