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aalyn [17]
3 years ago
10

HELP with number 19 please

Mathematics
1 answer:
Over [174]3 years ago
4 0

Answer:

Step-by-step explanation:

jx(W)

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Sean is taking drivers ed. And the instructor asked him to stay within 2 miles of the posted speed limits. The current speed lim
Aleonysh [2.5K]

Answer:

{x| 43 ≤ x ≤ 47} where x = Sean's speed (in mph)

Step-by-step explanation:

Sean is taking driver's ed. The instructor asked him to stay within 2 miles of the posted speed limits. The current speed limit is 45 mph.

So, the maximum speed which Sean can reach is, (45 + 2) mph

                                                                                   =47 mph

and,  the minimum speed which Sean can reach is, (45 - 2) mph

                                                                                   =43 mph

so, {x| 43 ≤ x ≤ 47} where x = Sean's speed (in mph)

3 0
3 years ago
It takes a groundskeeper 40 minutes to prepare a little league baseball field for a game. it takes his assistant 50 minutes to p
Elena L [17]
1/40+1/50=1/n
5/200+4/200=1/n
9/200=1/n
9n=200
n=200/9 minutes for both of them to prepare the field
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7 0
3 years ago
CD is perpendicular to AB CREATE AC AND BC AND MEASURE THEIR LENGTHS
Valentin [98]

Answer:

The line segments are equal in length

AC = BC = 5

Step-by-step explanation:

7 0
2 years ago
Garrett has deposited 519 in a savings account that earns interest at a rate of 4.2% compounded daily. What will the account bal
kipiarov [429]
$1059.83 Use this formula:
A=P(1+r/n) ^{nt}

P=principal of 519
r= your rate of 4.2% as a decimal
n=number of compounding periods; yours is daily or 365 day in a year.
t=time involved of the investment in years; yours is 17

7 0
3 years ago
HELP:::: Find the volume
ad-work [718]

Answer:

94,080 cm^3

Step-by-step explanation:

V= L • W • H

V= 42 • 35 • 64

V= 94,080

Hope this helps, good luck!

4 0
2 years ago
Read 2 more answers
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