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Tanzania [10]
3 years ago
5

A method of solving a system of equations which involves plotting the equations in a coordinate plane and looking for the inters

ection point.
Mathematics
2 answers:
crimeas [40]3 years ago
8 0

Answer:

graphing method

Step-by-step explanation:

Setler79 [48]3 years ago
5 0

Answer: graphing method

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Enrique left the study group traveling 20 mph. Then, 2 hours later, Tevin left traveling the same direction at 28 mph. How long
nadya68 [22]

Answer:

After 7 hours Tevin will catch Enrique

Step-by-step explanation:

We have given speed of Enrique is 20 mph

Tevin left traveling after 2 hours of Enrique

Speed of Tevin  is 28 mph

When Tevin catches  Enrique will cover same distance

Let  Enrique is traveling for t hours

Then Tevin will travel for t-2 hours

We know that distance = speed × time

So 20\times t=28\times (t-2)

20t=28t-56

8t=56

t = 7 hours

So after 7 hours Tevin will catch Enrique

4 0
4 years ago
The Bike Store pays $120 for a bicycle. The store has a 60% markup policy. What is the selling price of the bicycle?
Nuetrik [128]
You would first do $120 (0.6) = $72
$72 + $120 = $192

Hope this helped! Good luck!!! :)
5 0
4 years ago
Read 2 more answers
Help help math straightforward answer ASAP pelsss thanks
Sav [38]

Answer:

55 degrees

Step-by-step explanation:

a line is 180 degrees. also, all angles in any triangle add up to 180 degrees. so, find the missing angle in the triangle by 180-30-25=125 degrees. Then to find angle 4, 180-125=55 degrees.

3 0
3 years ago
Round to the nearest hundredth. Question is BC=
AveGali [126]

Answer:

BC = 15.01

Step-by-step explanation:

7 x tan(65) = 15.01154844

5 0
3 years ago
A carpenter is building a rectangular room with a fixed perimeter of 300 ft. what dimensions would yield the maximum​ area?
Inessa05 [86]

Perimeter = 2(Length) + 2(Width)

300 = 2L + 2W → 150 = L + W → 150 - L = W

Area = Length · Width

A_{max} = L(150 - L) → A_{max} = 150L - L²

There are 2 different methods for solving (depending on which math course you are taking).

<u>Calculus</u>: find the derivative, set it equal to zero, and solve for L.

A_{max} = 150L - L² → 0 = 150 - 2L → 2L = 150 → L = 75

<u>Algebra</u>: find the vertex.

A_{max} = - L² + 150L → L = -b/2a → L = -150/2(-1) → L = 75

Once you solve for L, plug it into the Perimeter equation to solve for W:

150 - L = W → 150 - 75 = W → W = 75

Answer: 75ft x 75ft


3 0
4 years ago
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