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UkoKoshka [18]
2 years ago
10

7 cm 4 cm 8 cm what is the area?

Mathematics
2 answers:
adell [148]2 years ago
5 0

what shape is this

I cant answer it if there's no shape in the question

Lena [83]2 years ago
3 0

7cm

4cm

8cm

Aare=?

soln

a+b+c

7cm+4cm+8cm

A=19cm

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AveGali [126]

Answer:

17/8

Step-by-step explanation:

2/1=2

11-2-6-7/8

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17/8

8 0
3 years ago
Find the circumference of the circle. Use 3.14
Alisiya [41]

Answer:

62.8

Step-by-step explanation:

the circumference is equal to the radiusx2xpi

it gives us the diameter but not the radius

to find the radius from the diameter we just divide it by 2 so the radius is 10

then we just do 10x2x3.14 which is 62.8

8 0
3 years ago
What’s the answer to these !!!
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3 years ago
Graph the equation 3x+3y=−15 using the intercepts.
tatyana61 [14]

Answer:

To find the intercepts, equate one variable to

0

and solve for the other variable:

y-intercept

Set

x

to

0

and solve for

y

giving:

3

x

−

5

y

=

15

becomes:

(

3

⋅

0

)

−

5

y

=

15

0

−

5

y

=

15

−

5

y

=

15

−

5

y

−

5

=

15

−

5

−

5

y

−

5

=

−

3

y

=

−

3

or

(

0

,

−

3

)

x-intercept

Set

y

to

0

and solve for

x

giving:

3

x

−

5

y

=

15

becomes:

3

x

−

(

5

⋅

0

)

=

15

3

x

−

0

=

15

3

x

=

15

3

x

3

=

15

3

3

x

3

=

5

x

=

5

or

(

5

,

0

)

Next. we can plot the two points on the grid:

graph{((x-5)^2+(y)^2-0.125)((x)^2+(y+3)^2-0.125)=0 [-20, 20, -10, 10]}

Then, draw a line through the two points:

graph{(3x - 5y -15)((x-5)^2+(y)^2-0.125)((x)^2+(y+3)^2-0.125)=0 [-20, 20, -10, 10]}

7 0
2 years ago
A=1/2abSinC , make a the subject
tatuchka [14]
A = \frac{absinC}{2}
2A = absinC
\therefore a = \frac{2A}{bsinC}
6 0
3 years ago
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