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3 years ago

A triangle with side measures 17 cm,15 cm, and 12 cm is a (n) _________ triangle

Mathematics

1 answer:

GenaCL600 [577]3 years ago

7 0

Answer:

scalene

Step-by-step explanation:

all sides have different measurements

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Whats the percent change from 100 to 140

Dahasolnce [82]

Answer:

40%

Step-by-step explanation:

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3 years ago

Hi there. how are ya buddy

Neko [114]

Answer:

if i remember correctly the answer is 120*

Step-by-step explanation

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2 years ago

Alenkasestr [34]

Answer:

0.36 = 36/100 = 9/25

so the simplest form is 9/25

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2 years ago

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PLEASE I NEED TO TURN THIS IN TOMORROW I NEED HELP PLEASE HELP ME

mart [117]

Answer: $\sum_{n=1}^{5}4^n=1364$

Step-by-step explanation:

Since we have given that

$\sum_{n=1}^{5}4^n$

Now, we know the rule for summation , we'll apply this ,

$\sum_{n=1}^{5}4^n\\=4^1+4^2+4^3+4^4+4^5\\$

Now, it becomes geometric progression, so we us the formula for sum of terms in g.p. which is given by

$S_n=\frac{a(r^n-1)}{r-1}\\\\\text{where 'a' is the first term and 'r' is the common ratio}$

So, our equation becomes ,

$a=4 \\\\r=\frac{a_2}{a_1}=\frac{4^2}{4}=4\\\\S_5=\frac{4(4^5-1)}{4-1}\\\\S_5=1364$

Hence ,

$\sum_{n=1}^{5}4^n=1364$

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3 years ago

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Solve each system using SUBSTITUTION. Remember to check!

Annette [7]

Answer:

$\left \{ {{x=3} \atop {y=-7}} \right.$

Step-by-step explanation:

We can directly substitute y of the first equation to the second equation.

-2x - 1 = 3x - 16

5x = 15

x = 3

Substituting back to any of the two equations, we get y = -2(3)-1 = -7. If you check with the second equation, y = 3(3)-16 = -7 as well.

Therefore $\left \{ {{x=3} \atop {y=-7}} \right.$ .

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2 years ago