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Fynjy0 [20]
2 years ago
10

What us the estimate 30-20.91

Mathematics
2 answers:
zimovet [89]2 years ago
8 0
9.09 I'm pretty sure this it 
aleksandr82 [10.1K]2 years ago
7 0
The estimate for 30-20.91 is 9.09 or 9.1

Hope I helped :)

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A perfect square trinomial can be represented by a square model with equivalent length and width. Which polynomial can be repres
lina2011 [118]
The correct answer is 
A) x^2 - 6x + 9

In fact, this is a trinomial of the form ax^2-bx+c, whose solutions are given by
x_{1,2}=  \frac{-b\pm \sqrt{b^2 -4ac} }{2a}
Using this formula for the trinomial of the problem, we find:
x1,2=  \frac{6 \pm \sqrt{6^2-4\cdot 1\cdot 9}}{2} =3
<span>we see that this trinomial has two coincident solutions (x=3 with multiplicity 2). This means that it can be rewritten as a perfect square, in the following form: 
</span>(x-3)^2<span>
</span>
8 0
2 years ago
Read 2 more answers
Find the factorization of each of the following number:<br> A.18 B.24 C.38 D.81
const2013 [10]

Answer:

A: (3^2)*2

B: (2^3)*3

C: 2*19

D: (3^2)*9

Step-by-step explanation:

We have:

A) 18= 3*3*2= (3^2)*2

B) 24=2*2*2*3=(2^3)*3

C) 38 = 2*19

D) 81 =3*3*9=(3^2)*9

6 0
2 years ago
A school is looking to cater an event by having a food truck. Food truck A will charge $1.50 for each item sold and a fee of $50
Ganezh [65]

Answer:

40 items

Step-by-step explanation:

I used the equation 1.5x+50=2.75x to find the answer. If the school were to buy 40 items from either truck, they would both amount to 110.

4 0
2 years ago
Pls explain ur answer
Nikolay [14]

Answer:

meters

the meter is the largest unit of measurement of distance. If the meter is used, the bar chart would be more compact and the all the distances would be well represented on the bar chart

Step-by-step explanation:

3 0
2 years ago
NEED HELP ASAP!! WILL MARK BRAINLIEST IF ITS RIGHT!!
Karo-lina-s [1.5K]

Answer:

First one: yes

Second one: yes

Third one: no

Step-by-step explanation:

To find the midpoint of a line segment, you take the x and y coordinates of the 2 points, add each of them up, and divide each of them by 2.

First one: x = (1+3)/2 = 2, y = (2+4)/2 = 3, so it's correct.

Second one: x = (-1+3)/2 = 1, y = (1+-1)/2 = 0, so it's correct.

Third one: x = (-3+-1)/2 = -2, y = (0+5)/2 ≠ 2, so it's not correct.

I really hope this helped.

3 0
3 years ago
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