3 years ago

Classify the triangle based on side lengths 5, 15, 19.

Mathematics

2 answers:

lutik1710 [3]3 years ago

8 0

I'm pretty sure it's obtuse

AlekseyPX3 years ago

7 0

I think it's Acute i hope it's right.

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What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?

Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, $a_1=-4$

now, we can find common ratio

$r=\frac{24}{-4}=-6$

we can use formula

$S_n=a_1(\frac{1-r^n}{1-r} )$

n=8

now, we can plug values

$S_8=-4(\frac{1-(-6)^{8}}{1+6} )$

now, we can simplify it

and we get

$S_8=959780$

4 0

3 years ago

Which function is shown in the graph below?

Helga [31]

Answer:

Step-by-step explanation:

I’m not entirely sure if this is right but I hope I helped.

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3 years ago

The number m divided by 10 leaves a remainder of 1, and the number n divided by 10 leaves a remainder of 4. What will be the rem

kozerog [31]

Answer:

Step-by-step explanation:

Add 4+1=5 then do 5÷5=1

7 0

3 years ago

Homework Progress 23 / 39 Marks Work out 83 +52

antoniya [11.8K]

Answer:

2 1/25 or 2.04

Step-by-step explanation:

8 ^ 1/3 + 5 ^ (-2)

Rewriting

(2^3) ^ 1/3 + 1/5 ^2

2 + 1/25

2 1/25

2.04

4 0

3 years ago

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Can I have help with 42?

Sphinxa [80]

#42.
14n - 32 = 22
add 32 to both sides
14n - 32 + 32 = 22 + 32
simplify
14n = 54
divide both sides by 14
14n/14 = 54/14
simplify
n = 3 12/14
n = 3 6/7 or n = 3.857

8 0

3 years ago

Read 2 more answers