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3 years ago

6

A traffic light changes every 30 seconds another traffic light changes every 40 seconds both lights just changed after how money

minutes will both lights change at the same time

1 answer:

BaLLatris [955]3 years ago

7 0

Answer:

120 seconds/2 minutes

Step-by-step explanation:

You need to find the LCM of 30 and 40 which is 120.

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Given f(x) = -x + 2, find f(-1)

jarptica [38.1K]

f(x) = -x + 2

f(-1) This means that they want you to find the value of f(x) or y when x = -1.

f(x) = -x + 2 Substitute/plug in -1 into "x" since x = -1

f(-1) = -(-1) + 2 (two negative signs cancel each other out and become positive)

f(-1) = 1 + 2

f(-1) = 3

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3 years ago

PLZ HELP ASAP ON 2. DUE TMR NEED HELP TYYY

True [87]

Answer:

a. 6(7) + 2(3)^2 = 60

b. (5(-18)/3)-2 = -32

c. (6(10))^2 - 10/5 = 3598

d. (1-3)(1+2) = -6

Step-by-step explanation:

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3 years ago

What is the mean of the data set?<br> 17, 24, 26, 13<br> 4<br> 13 <br> 20 <br> 80 plz hurry

yaroslaw [1]

Answer: 24.625

<u>Order the numbers</u>

Before: 17,24,26,13,4,13,20,80

After: 4,13,13,17,20,24,26,80

<u>Add</u>

4+13+13+17+20+24+26+80=197

<u>Divide</u>

197÷8=24.625

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3 years ago

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Ricardos bill at a restaurant is $57.32. He wants to leave an 18% tip. what will the new total be including tip.

Margarita [4]

Answer:

$67.64

Step-by-step explanation:

$57.32*1.18=67.6376\\$

Rounding it off to the nearest cent, we get $67.64.

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3 years ago

Discuss on piazza but do not submit. Divide [-2,2] into (a) 10 subintervals (b) 1000 subintervals of the same length. Then use t

Elis [28]

Answer:

attached below

Step-by-step explanation:

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3 years ago