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ch4aika [34]
2 years ago
15

Find x and answer in radical form

Mathematics
1 answer:
Pavel [41]2 years ago
3 0

Answer: 2sqrt(10)

Step-by-step explanation:

I'll do the top left one as an example, you can do the rest.

From the geometric mean theorem, we get that 5/x = x/8.

This rearranges to x^2 = 40

x = 40 = 2sqrt(10)

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Alfred is taking a trip. He drove 150 mi and then stopped to refuel. He will drive 60 mph to finish his trip. Let x represent th
Luba_88 [7]
The total distance traveled by Alfred is the sum of the distance he traveled before and after refueling.

The distance he traveled before refueling is 150 miles. After refueling, the distance he traveled is the product of his speed and time, x hours. Therefore, his total distance traveled is,
 
                                y = 60x + 150
7 0
3 years ago
6. Write the explicit formula for the geometric sequence of the height of the ball on the 10th bounce.First bounce: 54 inchescom
Nat2105 [25]

The height of the ball initially is 54 inches. The common ratio has been provided which is 0.750.

The explicit formular for the geometric sequence is shown as;

\begin{gathered} ar^{n-1} \\ \text{Where a is the first term in the sequence,} \\ r\text{ is the common ratio betw}een\text{ every successive term} \\ \text{And n is the nth term} \\ \text{The explicit formular for the height of the ball on the 10th bounce is;} \\ ar^{n-1} \\ 54\times(0.750)^{10-1} \\ 54\times(0.750)^9 \\ 54\times0.07508468\ldots \\ 4.0545 \end{gathered}

The explicit formula is shown as;

54 x (0.750)^9

The rest is simply to solve for the height on the 10th bounce

5 0
11 months ago
6.5x-10=4.5x+6 can someone give a step by step answer plz
Trava [24]

Collect like terms
6.5x-4.5x = 6+10
2x = 6+10
Divide both sides
2x = 16
X= 8
7 0
2 years ago
Read 2 more answers
The railroad company wants to sell $8,134 in tickets. If each ticket costs $7, how many
Licemer1 [7]

Answer:

1162 tickets will need to be sold

Step-by-step explanation:

8134 / 7 = 1,162

8 0
2 years ago
Hello may i please have help with this question
Pani-rosa [81]

Answer:

x=√139-3, x=-√139-3

Step-by-step explanation:

to complete the square, you first move the constant to the other side of the equation-its already done for you!

now, you find the perfect square trinomial. You divide the b value by 2, then square it: 6/2=3, 3^2=9.

What you do to one side has to be done with the other.

x^2+6x+9=130+9

now you can factor the square:

(x+3)^2=139

squareroot both sides:

x+3=√139

x+3=-√139

now subtract both sides by 3

x=√139-3

x=-√139-3

5 0
2 years ago
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