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Aloiza [94]
3 years ago
10

What does 7/18 estimate to 0,1/2,1

Mathematics
1 answer:
DiKsa [7]3 years ago
7 0

Answer: 11/2

Step-by-step explanation:

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Question 12
gayaneshka [121]

Answer:

A

Step-by-step explanation:

8 0
3 years ago
Find the solution of this system of equations 10x-7y=-1 and -2x-7y=-25
Sergio039 [100]

Answer:

<h2>x = 2, y = 3 → (2, 3)</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}10x-7y=-1\\-2x-7y=-25&\text{change the signs}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}10x-7y=-1\\2x+7y=25\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad12x=24\qquad\text{divide both sides by 12}\\.\qquad x=2\\\\\text{Put it to the second equation}\\2(2)+7y=25\\4+7y=25\qquad\text{subtract 4 from both sides}\\7y=21\qquad\text{divide both sides by 7}\\y=3

8 0
4 years ago
To eliminate the radical on sqrt/x as part of an equation, we would square the expression. To eliminate the rational exponent on
xxTIMURxx [149]

Answer:

2, got it right on my test.

4 0
3 years ago
Help with this question, ASAP PLEASE!! SHOW YOUR WORK!!
r-ruslan [8.4K]

Simplest polynomial function is x^4-x^3-11x^2+9x+18.

Solution:

Given data:

Zeroes are 3i, –1, 2.

3i is a complex root of the function.

If 3i is a zero of the polynomial then –3i is also a zero of the polynomial.

Therefore zeroes are 3i, –3i –1, 2.

By factor theorem,

If a is zero of the function, then (x – a) is a factor of the polynomial.

So, the factors are (x – 3i), (x + 3i), (x + 1), (x –2).

On multiplying the factors, we get the polynomial.

(x - 3i) (x + 3i) (x + 1) (x -2)

            =(x^2+3ix-3ix+(3i)^2)(x^2-2x+x-2)

            =(x^2-9)(x^2-x-2)

Since the value of i^2=-1

            =x^2(x^2-x-2)-9(x^2-x-2)

            =x^4-x^3-2x^2-9x^2+9x+18

            =x^4-x^3-11x^2+9x+18

Simplest polynomial function is x^4-x^3-11x^2+9x+18.

5 0
3 years ago
A running track at a school is shaped like oval. The track is 1/2 miles long . Mr. Perez puts a marker down every 1/8 mile .
Lunna [17]

Answer:

4 markers

Step-by-step explanation:

1/2 miles divided by 1/8 miles equals 4 markers.

1/2 ÷ 1/8

Apply the fraction rule:

1/2 × 8/1

Cross cancel common factor 2:

= 4/1

= 4

Hope this helps!

4 0
3 years ago
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