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valentinak56 [21]
3 years ago
13

a student studies the same amount of time each day for a test in 4 days she studied 60 minutes which equation shows this relatio

nship let x = the number of days
Mathematics
1 answer:
Keith_Richards [23]3 years ago
8 0
Y=mx
m=amount of time per day studied
y=time
x=number of days
we have
60=m(4)
divide by 4
15=m

y=15x

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3t>5t+12 please help me? i suck at math
Alex777 [14]
<span>3t>5t+12
Subtract 5t from both sides to get the variable on only one side.
-2t>12
Divide both sides by -2
Final Answer: t< -6</span>
3 0
3 years ago
What term should be added to t^2+11t, to make it a perfect square trinomial?
Sholpan [36]
Term to be added is: + 121/4

t^2 + 11t + 121/4

(t + 11/2) (t + 11/2)

6 0
3 years ago
A wall that is 12 feet high on the building is 36 centimeters high on the model. Find the height on the model of a door that is
cluponka [151]

Answer:

9cm

Step-by-step explanation:

3/12 is equal to 1/4 ratio between the size of the window and the building.

Apply that ratio to the the 36 centimeters to get 36/4 which is equal to 9 centimeters.

8 0
3 years ago
Read 2 more answers
Simplify [7+2(5 - 9)2]/[(4+1)2 - 3(22)
svet-max [94.6K]

Answer:

9/56 is your answer.

Step-by-step explanation:

[7+2(5 - 9)2]/[(4+1)2 - 3(22)=

[7+2(-4)2]/[(5)2-66]=

[7+2(-8)]/[10-66]=

(7+-16)/(-56)=

-9/-56=

9/56 is your answer.

4 0
3 years ago
Read 2 more answers
The sum of three consecutive even numbers is one hundred sixty-two. What is the smallest of the three numbers?
zepelin [54]
Since the numbers are consecutive, they must be near each other in size, and therefore near one-third of 168. And since the lower number is -2 off the middle, and the upper number is +2 from the middle, the middle number must be exactly one-third of 168—otherwise the sum of the three could never be 168. Labelling the three consecutive numbers as x, y, and z:

x + y + z = 168

(y-2) + y + (y+2) = 168.

3y = 168

y = 56

therefore the smallest number (x) = 54.
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