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2 years ago

When solving a system of equations, how do you determine which method to use?

1 answer:

5 0

Substitution is best to use one one or both equations is already solved for one of the variables. Elimitation can be use if all variables have a coefficient other than 1.

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A bicycle is traveling at 22 miles per hour. How many feet will it cover in 45 seconds? Round your answer to the nearest tenth o

puteri [66]

Answer:

1452 feet

Step-by-step explanation:

1 hour = 60min×60sec = 3600 sec

1 miles = 5280 feet

22 miles = 22×5280ft = 116160 ft

3600sec ................. 116160 ft

45sec ................................ x ft

x = 45×116160/3600

= 5227200/3600

= 1452 feet

7 0

3 years ago

(SUPER EASY ANSWER QUICK 30 POINTS!)

harina [27]

$\frac{35}{4}$ feet below the surface

adding the 2 quantities

3 $\frac{1}{2}$ + 5 $\frac{1}{4}$

= (3 + 5 ) + ( $\frac{1}{2}$ + $\frac{1}{4}$ )

= 8 + ( $\frac{2}{4}$ + $\frac{1}{4}$ )

= 8 + $\frac{3}{4}$ = 8 $\frac{3}{4}$ = $\frac{35}{4}$

3 0

3 years ago

Which statement best explains why this expression is equal to 9.4? A)Any expression multiplied by 0 equals 0. B)Any number divid

tigry1 [53]

Answer: A.

Step-by-step explanation:

yeet

5 0

2 years ago

Read 2 more answers

Convert the flow rate of 250 gallons per minute (gpm) to a flow rate of gallons per second.

Blizzard [7]

Answer:

multiply by

Convert from Convert to

US gpd US gpm cfm IMP gpd IMP gpm

m3/s 22800000 15852 2119 19000000 13200

m3/min 380000 264.2 35.32 316667 220

m3/h 6333.3 4.403 0.589 5277.8 3.67

liter/sec 22800 15.852 2.119 19000 13.20

liter/min 380 0.2642 0.0353 316.7 0.22

liter/h 6.33 0.0044 0.00059 5.28 0.0037

US gpd 1 0.000695 0.000093 0.833 0.000579

US gpm 1438.3 1 0.1337 1198.6 0.833

cfm 10760.3 7.48 1 8966.9 6.23

Imp gpd 1.2 0.00083 0.00011 1

Step-by-step explanation:

googled it

7 0

3 years ago

Read 2 more answers

I need help someone please

Andrew [12]

G(x)=2...............

5 0

3 years ago