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mezya [45]
2 years ago
8

LAST ATTEMPT IM MARKING AS BRAINLIEST!! (Pythagorean theorem )

Mathematics
2 answers:
Anna71 [15]2 years ago
5 0

Answer:

x = √7km

Step-by-step explanation:

Radda [10]2 years ago
3 0

Answer:

21

Step-by-step explanation:

You take a right triangle and find the lengths of the two sides that are vertical and horizontal. Then, using the formula a^2 + b^2 = c^2, find the length of C

(aka: Hypotenuse)

hope this helps!

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The fish tank in Paul's bedroom has a pump that will recirculate 75 gallons of water in 1/4 of an hour. Find the unit rate in ga
m_a_m_a [10]
We know that
(1/4) hour---------> 0.25 hour
if the pump r<span>ecirculate 75 gallons of water in -------------> 0.25  hour
 X </span>gallons of water in-----------------------------------------> 1 hour

X=75/0.25----------> x=300 gallons /hour

the answer is 300 gallons /hour
6 0
3 years ago
A force of 50 pounds acts on an object at an angle of 45 degrees. A second force of 75 pounds acts on the object at an angle of
Contact [7]

Answer:

The magnitude of the resultant force is:

R=100.3 \:pound

The direction is:

\theta=1.2^{\circ}

Step-by-step explanation:

Let's find the components of each vector is x and y-directions first.

<u>Sum of x-component vector forces.</u>

F_{tot-x}=F_{1}cos(45)+F_{2}cos(30)

F_{tot-x}=50cos(45)+75cos(30)

F_{tot-x}=100.3 \: pound

<u>Sum of y-component vector forces.</u>

F_{tot-y}=-F_{1}sin(45)+F_{2}sin(30)

F_{tot-y}=-50sin(45)+75sin(30)

F_{tot-y}=2.1 \: pound  

The magnitude of the resultant force is:

R=\sqrt{100.3^{2}+2.1^{2}}

R=100.3 \:pound

The direction is:

tan(\theta)=\frac{2.1}{100.3}

\theta=arctan(\frac{2.1}{100.3})

\theta=1.2^{\circ}

I hope it helps you!

4 0
3 years ago
Factor 18x^3+24x^2-21x-28
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