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Xelga [282]
3 years ago
8

What the answer to the question

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0

Answer:

c

Step-by-step explanation:

When we know two sides and the included angle, there is a formula we can use.

We know angle C = 35º, and sides a = 20cm and b = 19.5cm.

using the formula

Area =(½)ab sin C(angle)

Put in the values we know:

(20×19.5÷2)×sin(35)=

111.8474050885 cm^2

rounded = 111.85 cm^2

answer is c

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Find the slope of the line satisfying the given condition. Through (3,-6) and (-9,-1)
inessss [21]

Answer:

C) -5/12

Step-by-step explanation:

To find the slope of a line with given points, you divide the difference of y-coordinates by the difference of the x-coordinates of those same 2 points.

x's:-9-3=-12

y's:-1-(-6)=5

Then, you put the answer of the y's in the numerator, and x's in the denominator, giving you 5/-12, but you can't have a negative in the denominator, moving it up to become -5/12 as the slope.

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3 years ago
21 trucks, each with a 2.5-ton payload, are needed to unload a freight train. b Find the constant of variation.
Paul [167]

Answer:


tons needed to unload a freight train= 21×2.5 =52.5

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15 Trucks , Each With A 3.5-Ton Payloaf , Would be Needed To Do The Same Job. 




6 0
3 years ago
Read 2 more answers
Plz answer.............
spayn [35]

Answer:

( - x, - y )

Step-by-step explanation:

The starting is always Quadrant I.

270 degrees clockwise from Quadrant I is Quadrant III.

In Quadrant III, the points will be in the form ( - x, - y ).

7 0
3 years ago
The time to complete a standardized exam is approximately normal with a mean of 70 minutes & a standard deviation of 10 minu
Gennadij [26K]

if the mean is 70 minutes, then 90 minutes is 2 standard deviations above 70. if you look at the bell curve i drew, the percent of exams that took over 90 minutes is 2.5% <span>
</span>
7 0
3 years ago
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I need help with my math. This problem stumps me
mash [69]

Answer:

3 = 95

4 = 85

Step-by-step explanation:

ok first of all im sorry this problem stumped you

now let go

a and b are parallel so 3 would be 95

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3 is equal to 95

4 is equal to 85

6 0
3 years ago
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