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Sever21 [200]
3 years ago
14

Whats 2+7 because i really need help

Mathematics
2 answers:
Aloiza [94]3 years ago
7 0

Answer:

9 LOL-

Step-by-step explanation:

kirill115 [55]3 years ago
5 0

Answer:

9

Step-by-step explanation:

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What is the greatest common factor of the terms in the polynomial 8x4 - 4x3 - 18x2
uysha [10]

Answer:

2x^2

Step-by-step explanation:

The coefficients of the terms in this expression are 8, 4, and 18.

The largest number that you can divide all of them with and get a whole number is 2.

So, 2 is part of our greatest common factor.

These terms also have the variable x. The exponent of the smallest x term is 2, so x^2 is the other part of our greatest common factor.

3 0
3 years ago
How to find the minimum value of an expression
miv72 [106K]
f(x)=9x²+24x+1
f(x)=(3x)²+ 2×3x× 4 + 1
= (3x)²+2×3x×4 +16 -16 +1
=. ( 3x+4)² -15. -------(1)
then (3x+4)² ≥0
least value of (3x+4)² is 0
putting in equation 1
= 0-15 =-15
- 15 is the least value
3 0
3 years ago
At an electronics store, the number of 37 inch HDTVs that is expected to be sold in a month is double that of 58 inch HDTVs and
ki77a [65]
Will represent as such
number of 37 inch tvs=x
number of 58 inch tvs=y
number of 50 inch tvs =z

x is double of (y+z)
x=2(y+z)
y=z
therefor
x=2(y+y)=2(z+z)=4y=4z
x=4y=4z
y=$4800
z=$2000
x=$1800


4800y+2000z+1800x=168000
undistribute the 100
100(48y+20z+18x)=100(1680)
divide the whole thing by 100
48y+20z+18x=1680
divide the whole thing by 2
24y+10z+9x=840
y=z
24y+10z=34y or 34z
34y+9x=840
convert 9x to y by multiply 4
9x times 4=36y or 36z
34y+36y=840
70y=840
divide both sides by 70
y=12
y=z
z=12
x=4z
x=4(12)
x=48






they should stock:
12      50 inch tvs
12      58 inch tvs
48      38 inch tvs
3 0
4 years ago
If (126)n=86in base 10find the positive value of n
Evgen [1.6K]

Answer:

n= 0.682539 but if you want it in fraction form its 43/63

Step-by-step explanation:

6 0
3 years ago
(SAT Prep) Find the value of x.
Delicious77 [7]

Answer: x=40°

Step-by-step explanation:

The two triangles are congruent (I think it’s called the interior angle proof) so the bottom right angle is also 65°. All angles in a Triangle equal 180°, so 180-(75+65)=40

3 0
3 years ago
Read 2 more answers
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