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3 years ago

In this arithmetic sequence 3, 8, 13, 18, ... which term has the the value 123?

Mathematics

1 answer:

avanturin [10]3 years ago

3 0

Answer:

what's the deal wit u

Step-by-step explanation:

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Simplify:

MariettaO [177]

Answer: A) 6x+2

Step-by-step explanation:

I just figured it out

7 0

3 years ago

Find the length of the third side to the nearest tenth.<br> 3 7

kogti [31]

Answer:

uhm 5?

Step-by-step explanation:

because 3 we move 1 more is 4.

and 7 we go -1 which is 6 so we have 5 in the middle so the answer is 5!

5 0

3 years ago

A 3-pound bag of bananas costs $2.88. What is the price per ounce?

Alborosie

Answer: 6 cents

Step-by-step explanation:

1 pound = 16 ounces

3 pounds = 48 ounces

2.88 ÷ 48 = 0.06

0.06 = 6 cents.

One ounce of bananas cost 6 cents.

Hope this helps!

4 0

3 years ago

What is the solution set of x2 + 5x + 1 = 0?

DerKrebs [107]

Answer:

$\huge\boxed{\left\{-\dfrac{5+\sqrt{21}}{2};\ \dfrac{-5+\sqrt{21}}{2}\right\}}$

Step-by-step explanation:

$x^2+5x+1=0\\\\\text{Use the quadratic formula:}\\\\\text{For}\ ax^2+bx+c=0\\\\\Delta=b^2-4ac\\\\\text{if}\ \Delta < 0,\ \text{then the equation has no real solution}\\\text{if}\ \Delta=0,\ \text{then the equation has one real solution}\ x=\dfrac{-b}{2a}\\\text{if}\ \Delta>0,\ \text{then the equation has two real solution}\ x=\dfrac{-b\pm\sqrt{\Delta}}{2a}$

$\text{We have}\\\\a=1,\ b=5,\ c=1\\\\\Delta=5^2-4(1)(1)=25-4=21>0\\\\x=\dfrac{-5\pm\sqrt{21}}{2(1)}=\dfrac{-5\pm\sqrt{21}}{2}$

3 0

3 years ago

PLEASE HELP ASAP! WILL GIVE BRAINLIEST!!!!

kicyunya [14]

Answer: Alternate exterior angles theorom

Step-by-step explanation:

3 0

3 years ago