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3 years ago

Help me with this!!!!

Mathematics

2 answers:

andrezito [222]3 years ago

8 0

Answer: I think it would be 3.5

Step by Step Explanation: BRAINLIEST?!?

klasskru [66]3 years ago

6 0

3.5 since it’s in the middle of both 3&4

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Find m\angle Cm∠Cm, angle, C. Round to the nearest degree. Help Course Challenge

astra-53 [7]

Hello,

1. Since Angle C has the longest side for this triangle, it will have the largest degree value.

2. Use the Law of Cosines and inverse properties of “theta” to solve for Angle C. (Ensure that the calculator used is in “degree mode”, not “radian mode”.

c^2 = a^2 + b^2 - 2(a)(b)(cos (C))
15^2 = 11^2 + 14^2 - 2(11)(14)(cos(C))
225 - 317 = -2(11)(14)(cos(C))
-92 / -2(11)(14) = cos(C)
cos(C) becomes ->> cos^-1[92 /-2(11)(14)] = 72.62° ->> to the nearest degree is 73°

The answer for angle C, 73°, is logical because the triangle in the picture represents a 60-60-60 triangle, known as an equilateral triangle.

Good luck to you!

5 0

3 years ago

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8(3a+5)???? please help!!!!!! ASAP!!!!

r-ruslan [8.4K]

I'm assuming your teacher wants you to distribute. If so, then you multiply the outer term 8 by each term inside (3a and 5). After that you add.

8 times 3a = 24a

8 times 5 = 40

So 8(3a+5) becomes 24a+40

We do not combine 24a and 40 as they are not like terms. So we leave 24a+40 as it is.

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3 years ago

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Estimate the awnser to 17 x 193

8_murik_8 [283]

I think i know this one. it's 3,281.

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3 years ago

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A leaking pond loses 20 gallons of water in 49 hours. How many gallons of water will it lose in 5 hours? Round to one decimal pl

White raven [17]

Answer:

12.25

Explanation

49/20 (which is the same as (49÷20)) =2.45

Multiply 2.45 by the amount of hours (5)

$2.45 \times 5 = 12.25$

=12.25

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3 years ago

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Lane knows that when he runs, he takes about 180180 steps per minute and that each step is 3.253.25 feet long. Which calculation

lesya [120]

Since we know that Lane is travelling at 180 steps per minute and that each step is 3.25 feet long, we can easily find his running speed in feet/min. This will be equal to

$\frac{180}{min}* 3.25 ft=585 \frac{ft}{min}$

To find the speed in miles per hour, we just perform a dimensional analysis. We can use the conversion factors 5280 ft = 1 mile and 60 min = 1 hr to calculate for the speed in miles per hour:

$\frac{585ft}{min} = \frac{1mile}{5280ft} = \frac{60min}{1hr} =6.65 \frac{miles}{hr}$

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3 years ago

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