3 years ago

What is the perimeter of the shaded triangle

Mathematics

1 answer:

astraxan [27]3 years ago

8 0

What units are you using

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What is the sum of the arithmetic series

docker41 [41]

Answer:

$S_ {12} = 192$

Step-by-step explanation:

The nth term of the given arithmetic sequence is

$U_n = 3 + 2n$

The first term of this series is:

$U_1 = 3 + 2(1) = 5$

The last term of this series is when

$n = 12$

$U_ {12}= 3 + 2(12)$

$U_ {12}= 3 + 24 = 27$

The sum of the first n terms of an arithmetic series when the first an last term is known is given by:

$S_n = \frac{n}{2}(a + l)$

Where a=5 is the first term and l=27 is the last term.

$S_ {12} = \frac{12}{2}(5 + 27)$

$S_ {12} =6(32) =19 2$

6 0

3 years ago

A square scarf has a side length of 3/4 yard on each side.

denis-greek [22]

Answer:

$\frac{9}{16}\ yd.^2$

Step-by-step explanation:

Area of a square: $a^2$ = $a*a$

$A = a^2\\\\A = \frac{3}{4}* \frac{3}{4}\\\\A = \frac{9}{16}$

Therefore, the answer of the scarf is $\frac{9}{16}\ yd.^2$

Hope this helps!

8 0

2 years ago

An angle is 6 more than five times its supplement. Find the measure of the largest angle.

Julli [10]

Supplementary angles add up to 180°

Angle y is the large angle: y= 5x+6

180= x+y
180= (5x+6) + x
180=6x+6
174=6x
x=29

180= y+29
y=151°

4 0

3 years ago

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What is 80% of 4 ?????

AfilCa [17]

The answer is 3.2 (:

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3 years ago

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A town has 300 residents in total, of which 5/6 are white/Caucasian Americans. How many white/Caucasian Americans reside in this

Neko [114]

Answer:

250

Step-by-step explanation:

300* 5/6 = 250

3 0

3 years ago

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