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3 years ago

13

HELP! I WILL GIVE BRAINLIEST!

2 answers:

True [87]3 years ago

7 0

Option A and C get the perimeter 39.4cms.

Step-by-step explanation:

Perimeter is the sum of all the sides.

As they given the values in the picture, You observe the option A. Add 7.4cm two times because it's opposite side is equal. You'll get 14.8cm and add 12.3cm two times you'll get 24.6cm Add 12.3cm and 24.6cm you'll get 39.4cms as answer.

Observe the option C. Add 9.8 two times because it's opposite side is equal. You'll get 19.6. Add 9.9cm two times, you'll get 19.8cm. Add 19.6 and 9.9cm, you'll get 39.4cms as answer.

Lina20 [59]3 years ago

6 0

Answer:

B. is the answer

Step-by-step explanation:

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3 years ago

Find AC. Show Your Work.

kolbaska11 [484]

Check the picture below.

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2 years ago

A car traveling east at 40.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 25.0 m/s in

Anni [7]

Step-by-step explanation:

It is given that,

Initial speed of the car, u = 40 m/s

Final speed of the car, v = 25 m/s

Time taken, t = 3.5 s

(a) We need to find the magnitude and direction of the car’s acceleration as it slows down. It can be calculated using formula as :

$a=\dfrac{v-u}{t}$

$a=\dfrac{25-40}{3.5}$

$a=-4.28\ m/s^2$

The acceleration is in the opposite direction of motion i.e. west.

(b) Let s is the distance the car travel in the 3.5-s time period. It can be calculated using the third equation of motion as

$s=\dfrac{v^2-u^2}{2a}$

$s=\dfrac{25^2-40^2}{2\times (-4.28)}$

s = 113.9 meters

Hence, this is the required solution.

6 0

3 years ago

Don't get this question

solniwko [45]

Answer:

17 and 18

Step-by-step explanation:

Writing every 2 digit number gives us :

10-99 including 10 and 99

For the first one we are looking for numbers where the number 3 appears only once so 33 would be invalid.

13,23,30,31,32,34,35,36,37,38,39,43,53,63,73,83,93

There are 17 2-digit numbers that have 3 exactly once

For the second one we are looking for number where the number 3 appears a minimum of once so 33 would be valid :

13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93

There are 18 2-digit numbers that have 3 at least once

Hope this helped and have a good day

5 0

2 years ago

6th grade math help me please with both :))

lakkis [162]

Answer:

20wiwiiwiwjwjajsiwjjwnasjjwnwnwsjajjwjw

3 0

3 years ago

Read 2 more answers