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Ilia_Sergeevich [38]

3 years ago

5

Traveling from Atlanta, Georgia to Orlando, Florida is about 550 miles. Jen traveled 338 miles yesterday and the rest today. Whi

ch equation expresses how many miles she drove today?

1 answer:

Alexxx [7]3 years ago

7 0

Answer:

x + 338 = 550

Step-by-step explanation:

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Enter the correct answer in the box. solve the equation x2 − 16x 54 = 0 by completing the square. fill in the values of a and b

poizon [28]

The roots of the given polynomials exist $x=8+\sqrt{10}$ , and $x=8-\sqrt{10}$ .

<h3>What is the formula of the quadratic equation?</h3>

For a quadratic equation of the form $a x^{2}+b x+c=0$ the solutions are

$x_{1,2}=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Therefore by using the formula we have

$x^{2}-16 x+54=0$$

Let, a = 1, b = -16 and c = 54

Substitute the values in the above equation, and we get

$x_{1,2}=\frac{-(-16) \pm \sqrt{(-16)^{2}-4 \cdot 1 \cdot 54}}{2 \cdot 1}$$

simplifying the equation, we get

$$&x_{1,2}=\frac{-(-16) \pm 2 \sqrt{10}}{2 \cdot 1} \\$

$$&x_{1}=\frac{-(-16)+2 \sqrt{10}}{2 \cdot 1}, x_{2}=\frac{-(-16)-2 \sqrt{10}}{2 \cdot 1} \\$

$$&x=8+\sqrt{10}, x=8-\sqrt{10}$

Therefore, the roots of the given polynomials are $x=8+\sqrt{10}$ , and

$x=8-\sqrt{10}$ .

To learn more about quadratic equations refer to:

brainly.com/question/1214333

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3 0

1 year ago

Read 2 more answers

Tim is remodeling his square kitchen but has forgotten the dimensions. He knows he had bought 81 square feet of tiles earlier, a

sammy [17]

Answer:

C) 36 feet

Explanation:

P(square)= 4s

s= square root of the area

$4 \times \sqrt{a} \\ a = 81 \\ 4 \times \sqrt{81} \\ 4 \times 9 \\ = 36$

4 0

3 years ago

Determine the shaded area shown in the figure below.

Ivahew [28]

I think it’s 30 yds ‍♀️

3 0

3 years ago

a circle has a radius of 4.6cm work out the length of the circumference give your answer in 1 decimal place

marusya05 [52]

Step-by-step explanation:

4.6+4.6=8.12

8.1 to one decimal place

the radius is half the length.

5 0

3 years ago

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Find the specified nth term of each geometric sequence.<br><br><br> a4 = 10, r = 2, n = 9

Degger [83]

Answer:

$a_{n} = 1.25(2)^{n-1}$

Step-by-step explanation:

Geometric Sequence is the sequence in which every digit is the same multiplier of its previous digit.

The formula of Geometric Sequence is: $a_{n} = a_{1}(r)^{n-1}$

We have given value of 4th term i.e.

$a_{4} = a_{1}(2)^{4-1}$

⇒ $10 = a_{1} (2)^{3}$

⇒ $a_{1} = \frac{10}{(2)^{3}}$

⇒ a₁ = 1.25

Hence, the nth term of each sequence is: $a_{n} = 1.25(2)^{n-1}$

7 0

4 years ago