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almond37 [142]
3 years ago
9

Help me please I don’t understand

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0
For question between 13 -> 17 replace n with the number.

Example:  
13.) n = 2;  2+(-1) = 1
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The radius of a circle is 5 miles. What is the length of a 135° arc?
SCORPION-xisa [38]

Answer:

75

Step-by-step explanation:

an arc is half a circle

7 0
3 years ago
Read 2 more answers
Please I need answer right now pleasssseee<br>only C<br>C. -3×(-2/3)²​
Bezzdna [24]

Answer:

-4/3

Step-by-step explanation:

-3 x (-2/3)²

= -3 x (4/9)

= -4/3

6 0
3 years ago
2×2×2+10-4÷4+3×3×3 can y'all please help this is due tomorrow
baherus [9]
Then you'll need to get started on it pretty soon.
Just take it slow and easy, and remember your order of operations (or PEMDAS).
First look through it and do any multiplications and divisions that you find.
Then do the additions and subtractions.
I just gave it a quick scan and I came up with 26. I dont know if it's correct.
Get to work. You can do this !
7 0
3 years ago
What is 6 feet, 2 inches plus 4 feet, 8 inches ?
zysi [14]

Answer:

10 ft 10 in

Step-by-step explanation:

Note that there are 12 inch in 1 feet. Add corresponding numbers together:

6 ft 2 in + 4 ft 8 in = (6 ft + 4 ft) + (2 in + 8 in) = 10 ft + 10 in

10 ft 10 in is your answer.

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5 0
3 years ago
Read 2 more answers
Rewrite the expression $6j^2 - 4j 12$ in the form $c(j p)^2 q$, where $c$, $p$, and $q$ are constants. What is $\frac{q}{p}$
solniwko [45]

Rewrite the expression  6j^2 - 4j + 12$ in the form $c(j + p)^2 + q$, where $c$, $p$, and $q$ are constants. What is $\frac{q}{p}$

The ratio of \frac{q}{p}  = - 34

How to solve such questions?

Such Questions can be easily solved just by some Algebraic manipulations and simplifications. We just try to make our expression in the form which question asks us. This is the best method to solve such questions as it will definitely lead us to correct answers. One such method is completing the square method.

Completing the square is a method that is used for converting a quadratic expression of the form ax^{2} + bx + c to the vertex form

a(x - h)^{2} + k. The most common application of completing the square is in solving a quadratic equation. This can be done by rearranging the expression obtained after completing the square: a(x + m)^{2} + n, such that the left side is a perfect square trinomial

$6j^2 - 4j +12$

=  $6(j^2 - \frac{2}{3} j )+12$

= $6(j^2 - \frac{2}{3} j  +  \frac{1}{9}  )+\frac{102}{9}                   (Completing Square method)

=6( j- \frac{1}{3} )^{2}  +  \frac{34}{3}

On comparing with the given equation we get

p = - \frac{1}{3}     and q = \frac{34}{3}

∴ \frac{q}{p} = \frac{\frac{34}{3} }{\frac{-1}{3} }

= - 34

Learn more about completing the square method here :

brainly.com/question/26107616

#SPJ4

7 0
2 years ago
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