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marissa [1.9K]
3 years ago
14

What is the expression and value of "six less than nine times the sum of a number and eight"

Mathematics
2 answers:
shtirl [24]3 years ago
8 0

Answer:

peyton stan is lav is correct

Step-by-step explanation:

postnew [5]3 years ago
5 0
The first one....9(n+8)-6=111
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A square garden plot has an area of 24 ft2.
strojnjashka [21]
The area of a square is equal to the side squared.
s^2=A

We can plug in 24 for A and then take the square root of each side to find s.
s^2=24 \\ s=\sqrt{24}

We can simplify √24.
The prime factorization of 24 is 2×2×2×3.
Since we have 2×2 inside the radical we can simplify to have 2 outside the radical.
\sqrt{24}=\sqrt{4\times6}=\boxed{2\sqrt{6}\ ft}

We can then use a calculator to find an approximate decimal value for 2√6.
(You could technically calculate it by hand using the Babylonian method, I don't think you're expected to do that, though)
2\sqrt{6}\approx\boxed{4.9\ ft}


6 0
3 years ago
How do you write -5.16 as a fraction
dmitriy555 [2]

Answer:

You could write -5.16 as -5 4/25

3 0
3 years ago
Read 2 more answers
Which of the points shown below are on the line given by the equation
OlgaM077 [116]

Answer:

poop

Step-by-step explanation:

4 0
3 years ago
On a straight road, a car speeds up at a constant rate from rest to 20 m/s over a 5 second interval and a truck slows at a const
KIM [24]
To determine the total distance traveled by an object in constant speed, just multiply the speed by the time. So, for the car, the total distance traveled is,
                               distance by car = (20 m/s)(5s) = 100 m
For decelerating object, the distance traveled is,
                          distance = Vt - (at^2)/2
For the truck,
         distance by truck = (20 m/s)(10s) - (2m/s^2)((10s)^2)/2 = 100 m

Relatively, both have traveled the same distance. 
7 0
3 years ago
create a perfect square trinomial that can be factored using special patterns. Factor the trinomial and show all work for full c
Lyrx [107]

Answer: 4x^2+12x+9


Step-by-step explanation:

A perfect square trinomial is written as ax^2+bx+c, where

first term ax^2 = square of first term of binomial

second term=bx=twice the product of both terms of binomial.

and third term 'c'=square of last term of binomial

Thus to create a perfect  square trinomial put 'a' and 'c' a square number

Let a=4 and c=9

The required trinomial will be

4x^2+12x+9

=(2x)^2+2(2x)(3)+3^2\\=(2x+3)^2.......\text{[using pattern}(a+b)^2=a^2+2ab+b^2]\\=(2x+3)(2x+3)

3 0
3 years ago
Read 2 more answers
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