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Maksim231197 [3]
3 years ago
9

PLEASE HELP THIS IS DUE IN A FEW MINUTES PLEASE I WILL MARK YOU BRAINLIEST!!

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
6 0

Answer:

7. MN = 12

8. m<XYZ = 90°

9. m<YXM = 49°

10. m<XWZ = 131°

Step-by-step explanation:

This drawing is messed up.

The perspective is off because <NMW looks to be an obtuse angle because it appears to be greater than a square angle or 90°.

The median should be accurate in perspective even though WZ appears to be greater than MN or XY which is greater than WZ but appears to be smaller than WZ.

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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations).
bagirrra123 [75]

Answer:

27\pi \ cm^{2}

Step-by-step explanation:

we know that

The area of a circle is equal to

A=\pi r^{2}

we have

r=6\ cm

substitute

A=\pi (6)^{2}=36 \pi\ cm^{2}

Remember that a central angle of 360\° subtends for the area of a complete circle

so

by proportion

Find the area of the circle for a central angle of 270\°

\frac{36 \pi}{360} \frac{\ cm^{2}}{degrees}=\frac{x}{270} \frac{\ cm^{2}}{degrees} \\ \\ x=270*36\pi /360\\ \\x=27\pi \ cm^{2}

5 0
3 years ago
Read 2 more answers
In Newton's Law of cooling, fraction numerator d T over denominator d t end fraction equals k (T minus T subscript m )the consta
-BARSIC- [3]

Answer:

K-a Positive constant that depends on the area and nature of the surface of the body under consideration.

Step-by-step explanation:

Newtons law cooling describes the rate at which an exposed body changes temperature through radiation which is approximately proportional to the difference between the object’s temperature and its surroundings, provided the difference is small. The formula is given as:

\frac{dT}{dt}=k(T-T_m)

where,T- temperature at time t,T_m is temperature of the surrounding and k- A Positive constant that depends on the area and nature of the surface of the body under consideration.

7 0
2 years ago
The local skating rink pays Mary a fixed rate per pupil plus a base amount to work as a skating instructor. She earns $90 for
baherus [9]

Answer:The expressions for the payment made to Mary are,

        (Monday)      90 = 15m + b

        (Tuesday)     62 = 8m + b

where m and b are the fee per student and the base fee, respectively. Solving for m and b, the values are 4 and 30.

The equation that represents Mary's earning is

                                   y = 4x + 30

For 20 students,

                                   y = 4(20) + 30 = 110

For Lisa's earnings,

                                    y = 8x + 15

Substituting 20,

                                   y  =8(20) + 15 = 175

Thus, Lisa would earn more than Mary by $65.

Read more on Brainly.com - brainly.com/question/1560980#readmore

Step-by-step explanation:

5 0
3 years ago
How do i wright an equation for slope and intercept
Alex17521 [72]

Answer:

Step-by-step explanation:

the slope equation is (y2-y1)/(x2-x1)

3 0
3 years ago
Read 2 more answers
Please help with this question:
strojnjashka [21]

Answer:

yes

Step-by-step explanation:

as long as the two shortest sides add up to more than the longest side then a triangle can be made with those side lengths

8 0
2 years ago
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