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gregori [183]
2 years ago
11

Can someone help please-​

Mathematics
2 answers:
bonufazy [111]2 years ago
7 0
Answer:
LETTER C.

bc
M=4 so 4 letter C just answer that bc it is right!!!
Jlenok [28]2 years ago
6 0

Answer:

4

Step-by-step explanation:

<u>Slope is equal to the change in  y  over the change in  x , or rise over run. </u>

<u>m = change in y /change in x</u>

The change in  x  is equal to the difference in x-coordinates (also called run), and the change in  y  is equal to the difference in y-coordinates (also called rise).

m = y 2 − y 1/ x 2 − x 1

Substitute in the values of  x  and  y  into the equation to find the slope.

m = 8 − ( 0 ) /3 − ( 1 )

Simplify.

<u>Simplify the numerator.</u>

m = 8 /3 − ( 1 )

<u>Simplify the denominator.</u>

Multiply  − 1  by  1

m = 8 /3 − 1

Subtract  1  from  3

m = 8/2

<u>= 4</u>

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Helppppppppppppp. a and b partttt​
PilotLPTM [1.2K]

Answer:

a) 220.17 cm

b) 2127.12 cm²

Step-by-step explanation:

perimeter = circumference

it is the sum of the inner and the outer arc and the 2 side lines of 25.

we know a full circle has 360 degrees. but we only look at a segment of a circle of 150 out of the total of 360 degrees.

the circumference of a circle is

C = 2×pi×r

the 150 degree part is then

C = 2×pi×r×150/360 = 2×pi×r×15/36 = pi×r×15/18 =

= pi×r×5/6

the radius of the inner circle is 20.

=>

Ci = pi×20×5/6 = pi×50/3

the radius of the outer circle is 20 + 25 = 45

Co = pi×45×5/6 = pi×75/2

so, the total perimeter/ circumference is

C = Ci + Co + 25 + 25 = pi×50/3 + pi×75/2 + 50

= pi×100/6 + pi×225/6 + 50 = pi×325/6 + 50 =

= 220.17 cm

the area of the shaded shape is the area of the large circle segment minus the area of the small circle segment.

the area of a circle is

A = pi×r²

the 150 degree part is then

A = pi×r²×150/360 = pi×r²×5/12

so, for the inner circle that is

Ai = pi×20²×5/12 = pi×400×5/12 = pi×100×5/3 = pi×500/3

for the outer circle that is

Ao = pi×45²×5/12 = pi×2025×5/12 = pi×10125/12 =

= pi×3375/4

so, the total area of the shaded shape is

A = Ao - Ai = pi×3375/4 - pi×500/3 = pi×(10125-2000)/12 =

= pi×8125/12 = 2127.12 cm²

4 0
2 years ago
Find the slope of the line
alukav5142 [94]

Answer:

-4/3

Step-by-step explanation:

y2 - y1 / x2 - x1

-9 - (-1) / 0 - (-6)

-4/3

7 0
2 years ago
Suppose you can buy a box of 10 shirts for $42. How much is each shirt?
Fofino [41]

Answer:

each shirt is $4.20

Step-by-step explanation:

42/10 = 4.2

4 0
3 years ago
Read 2 more answers
Name two decimals that are equivalent to 7.75
Tatiana [17]
7.750 and 7.7500 are 2 equivalent fractions.

4 0
3 years ago
-0.312 as a fraction in simplest form
Black_prince [1.1K]

Answer:

It's -39/125

Step-by-step explanation:

Rewrite the decimal number as a fraction with 1 in the denominator

Multiply to remove 3 decimal places. Here, you multiply top and bottom by 103 = 1000

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Therefore

X=39/125

In conclusion,

−0.312=−39/125

4 0
3 years ago
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