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SVEN [57.7K]
2 years ago
12

Please can someone explain and help me I am giving away 14 points the question is in the image

Mathematics
1 answer:
Tems11 [23]2 years ago
5 0

Answer:

The area is 67.36 cm squared

Step-by-step explanation:

The height is 8.982. The base is 15. 8.982 * 15 = 134.73 / 2 = 67.36

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20 POINTS FOR AN ANSWER PLEASE!!!
Anna007 [38]

Answer:12 feet

Step-by-steps:

1cm:4ft

4x3=12

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3 years ago
My brain is a rasin so yeah, help a g a i n
Ierofanga [76]

Answer:

Combined time: 55.316 seconds

The difference in times: 0.856 seconds

Tips:

It is addition and subtraction. A basic calculator should help with any other questions such as this one!

8 0
3 years ago
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What is the absolute value of -3+4i
Pavlova-9 [17]

|-3+4i|=\sqrt{(-3)^2+4^2}=\sqrt{25}=5

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3 years ago
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Runner A is initially 6.0 km west of a flagpole and is running with a constant velocity of 3.0 km/h due east. Runner B is initia
ArbitrLikvidat [17]

Answer:

The distance of the two runners from the flagpole is 0.0882 km

Step-by-step explanation:

We are going to use the minus sign when the runner is on the west and the plus sign when the runner is on the east.

Then, Taking into account  the runner A is 6 km west and is running with a constant velocity of 3 Km/h east, the distance of the runner A from the flagpole is given by the following equation:

Xa = -6 Km + (3 Km/h)* t

Where Xa is the position of the runner A from the flagpole and t is the time in hours.

At the same way the distance of the runner B, Xb, from the flagpole is given by the following equation:

Xb = 7.4 Km - (3.8 Km/h)*t

Then, the two runners cross their path when Xa is equal to Xb, so if we solve this equation for t, we get:

              Xa = Xb

     -6 + (3*t) =  7.4 - (3.8*t)

(3.8*t) + (3*t) = 7.4 + 6

         (6.8*t) = 13.4

                  t = 13.4/6.8

                  t = 1.9706

Therefore, at time t equal to 1.9706 hours, both runners cross their path. The distance of the two runners from the flagpole can be calculated replacing the value of t in equation for Xa or in equation for Xb as:

Xa = -6 Km + (3 Km/h)* t

Xa = -6 Km + (3 Km/h)*(1.9706 h)

Xa = -0.0882 Km

That means that both runners are 0.0882 Km west of a flagpole.

4 0
2 years ago
Substitution property of equality if y=-5 and 7x+y=11, then
slamgirl [31]
X = 16/7 Because if you substitute -5 in for y you get x = 16/7 and you can check by plugging in 16/7 in for x and you get -5 for y so your answer is: x=16/7
8 0
3 years ago
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