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Anna [14]
3 years ago
15

Sebuah Prisma Segitiga memiliki tiga sisi masing

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
5 0

Menjawab:

15cm

Penjelasan langkah demi langkah:

Keliling segitiga adalah jumlah semua sisi segitiga

P = s1 + s2 + s3

Diberikan sisi jika segitiga;

S1 = 5cm

S2 = 7cm

S3 = 3cm

Keliling = 5cm + 7cm + 3cm

Keliling = 15cm

Oleh karena itu, keliling segitiga tersebut adalah 15 cm

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The answer for 10 2/3×31/8 rounded to the nearest whole number?
BigorU [14]
10 \frac{2}{3} ( \frac{31}{8}) can be changed into this equation:

\frac{32}{3}( \frac{31}{8}  )

The 32 and 8 have a common factor of 8 and can be simplified to become this equation:

\frac{4}{3} ( \frac{31}{1})

Now multiply across to get \frac{124}{3} which then simplifies to 41 \frac{1}{3} which as a decimal is 41.333 (repeating 3s). Nearest whole number is 41. 

Your answer is 41
5 0
4 years ago
I need help doing this math h.w
ankoles [38]

Ok 1st for the triangles you multiply the base X height then multiply by two. For EX: 5x10=50/2=25 so that's the answer for your first triangle.

5 0
4 years ago
Find an equation for the line perpendicular to the line −4x+3y=−2having the same y-intercept as −7x−7y=6
SCORPION-xisa [38]

First we need to find slope of given line −4x+3y=−2

So convert it into slope intercept form y=mx+b

−4x+3y=−2

3y=4x−2

y=4/3x−2/3

Comparing above equation with y=mx+b gives m=4/3

Hence slope of given line is 4/3.

<em>We need slope of perpendicular line which is always "negative reciprocal of given slope"</em>.

Negative of 4/3 is -4/3.

taking reciprocal gives -3/4

Hence slope of required perpendicular line is m=-3/4

-------

Now we need to find y-intercept of −7x−7y=6

y-intercept is always the y-value when x=0 so let's plug x=0 into −7x−7y=6

−7(0)−7y=6

0−7y=6

−7y=6

y=-6/7

y-intercept is also called "b" in y=mx+b

hence b=-6/7

-----

Now we know that slope of perpendicular line is m=-3/4 and y-intercept b=-6/7

so plug both into formula y=mx+b

We get Final answer is y=-\frac{3}{4}x-\frac{6}{7}

6 0
3 years ago
Ted bought a fishing pole for $35.99, and a pair of shorts for 14.99. He had a coupon for 25% off the shorts only. What was the
Assoli18 [71]
D would be the awnser
7 0
3 years ago
Fraction calculator 66 1/2 - 43=
zhuklara [117]

Answer:

\frac{47}{2}

Step-by-step explanation:

66\frac{1}{2} - 43 = 47/2

6 0
3 years ago
Read 2 more answers
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