Which expression has the same value as 3x 1 when x = 4?
Question
Updated 274 days ago|7/15/2023 12:37:26 AM
f
Original conversation
User: Which expression has the same value as 3x 1 when x = 4?

Weegy: 3x times x is equal to 3x^2
Score .8977

User: Which of the following shows the next correct step when simplifying the expression –8k2 + k + 3k2?

Question
Updated 274 days ago|7/15/2023 12:37:26 AM
Rating
3
To find the expression that has the same value as 3x + 1 when x = 4, we substitute the value of x into each expression and check which one gives the same result.

Let's evaluate each expression:

Expression 1: x + 13
Substituting x = 4: 4 + 13 = 17

Expression 2: x + 4
Substituting x = 4: 4 + 4 = 8

Expression 3: (x + 22)/2
Substituting x = 4: (4 + 22)/2 = 26/2 = 13

Expression 4: (x + 20)/2
Substituting x = 4: (4 + 20)/2 = 24/2 = 12

From the above calculations, we can see that the expression (x + 22)/2 has the same value as 3x + 1 when x = 4, which is 13.

Therefore, the correct expression is (x + 22)/2.
Added 274 days ago|7/15/2023 12:36:56 AM
3
Combine like terms by adding or subtracting the coefficients of the same variable term.

The correct next step is to combine the like terms by adding the coefficients of the k^2 terms and the coefficient of the k term:

-8k^2 + k + 3k^2 = (-8 + 3)k^2 + k = -5k^2 + k

Therefore, the next correct step when simplifying the expression -8k^2 + k + 3k^2 is -5k^2 + k.
Added 274 days ago|7/15/2023 12:37:26 AM

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Kyla ran at a rate of 1 mile/13 minutes. She ran a total of 26 minutes. Which equation can Kyla use to find the total distance that she ran? Use the distance formula D = R T.
Weegy: Kyla ran at a rate of 1 mile/13 minutes. She ran a total of 26 minutes. The total distance she ran is:D = R x T = (1 mile / 13 minutes) x (26 minutes) = 1 mile x (26 minutes / 13 minutes) = 1 mile x 2= 2 miles. (More)
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f Mary deposits \$275 in principal at an interest rate of 3.2 percent, how much interest will she earn in one year?
Question
Updated 12/4/2020 8:49:39 PM
If Mary deposits \$275 in principal at an interest rate of 3.2 percent, the amount of interest she will earn in one year is \$8.80.

3.2*275/100 = 8.80.
If Juan purchased three 24-ounce cans of motor oil for \$10.80, how much did he pay per ounce?
Weegy: If Juan purchased three 24-ounce cans of motor oil for \$10.80, he paid \$0.45 per ounce. (More)
Question
Updated 2/20/2021 6:41:14 AM
If Juan purchased three 24-ounce cans of motor oil for \$10.80,he pay per ounce \$0.15
\$10.80/ (24 *3) = \$0.15
7 × (–3) × (–2)2 = ?
Weegy: 7+3=10 (More)
Question
Updated 10/12/2020 6:29:46 AM
7 × (–3) × (–2)2
= 7 × (–3) (- 4)
= -21 (- 4)
= 84
39,050,484
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