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3 years ago

HELP ILL MARK BRAINLIEST IF YOU HELP ME ASAP

Mathematics

2 answers:

leva [86]3 years ago

4 0

Answer:

Step-by-step explanation:

A complementary angle is a right angle split into two parts. Since 75 is one of the two parts, we subtract it from 90, giving us an answer of 15.

Svetlanka [38]3 years ago

4 0

The complement angel measures 15 degrees. Complimentary angels are when two angels added up is 90 degrees. Therefore 90-75=15.

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Which store has the better buy? Pet Smart sells 20 pounds of pet food for $13.99 or Chewy sells 50 pounds of pet food for $37.99

zimovet [89]

Answer:

pet smart sell

Step-by-step explanation:

because it is cheaper than other sell

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3 years ago

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3 years ago

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Two trains leave stations 306 miles apart at the same time traveling toward each other one is traveling at 90 mph the other at 8

Sergeu [11.5K]

Answer:

They will meet in 1.8 hours.

Step-by-step explanation:

Given that, distance between trains = 306 miles

Let they take time $'t'$ to meet each other.

Speed of first train = 90 mph

Speed of second train = 80 mph

Let distance traveled by first train = $D_1$ miles

Formula for distance:

$Distance = Speed \times Time$

Distance traveled by first train, $D_1 = 90t$

Let distance traveled by first train = $D_2$ miles

Formula for distance:

$Distance = Speed \times Time$

Distance traveled by first train, $D_2 = 80t$

Total distance traveled is 306 miles.

i.e.

$D_1+D_2=306\\\Rightarrow 90t +80t=306\\\Rightarrow 170t=306\\\Rightarrow t =\dfrac{306}{170}\\\Rightarrow \bold{t=1.8\ hr}$

They will meet in 1.8 hours.

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3 years ago

How many more people studied for 0-30 minutes than people who studied for 121-150 minutes?

Rama09 [41]

Answer:

5 more people studied more in 0-30 minutes than people who studied 121-120 minutes.

Step-by-step explanation:

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3 years ago

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Travis took a taxicab from his office to a meeting on the other side of town. The cab ride cost $8.50 which includes a $2.00 tip

creativ13 [48]

You do not have enough information to solve the problem:
The charge was $6.50 without the tip. You need to know the rate that the taxicab charges in order to solve this problem.

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3 years ago