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Scilla [17]
3 years ago
9

Two forces of 17.3 pounds and 42.5 pounds act on a body with an angle of 21.9 degrees between them. The force of 42.5 pounds act

s on the body in the horizontal direction. Choose the correct approximation for the direction angle the resultant vector makes with the horizontal force.
a. 6.3
b. 21.9
c. 15.7
d. 10.9
Mathematics
2 answers:
disa [49]3 years ago
4 0

Answer: It’s A- 6.3

Step-by-step explanation:

Pani-rosa [81]3 years ago
4 0

Answer:

A. 6.3

Step-by-step explanation:

edge 2020

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Lisa started to drive from Boston to Washington, DC, which is 440 miles away, at 8:00 AM. For the first four hours of her trip,
sukhopar [10]

Answer:

60 mph

Step-by-step explanation:

Given;

Total distance covered d = 440 miles

Average speed in the first 4 hours v1 = 50 mph

Total time taken for the whole trip t = 8:00 to 4:00pm

t = 16:00-8:00 = 8 hours

Firstly we need to calculate the distance covered during the first 4 hours;

d1 = average speed × time = v1 × t1

t1 = 4

d1 = 50 × 4 = 200 miles

Then we need to calculate the distance covered in the second period of the journey;

d = d1 + d2

d2 = d - d1

Substituting the values;

d2 = 440 - 200

d2 = 240 miles

The time taken for the second period of travel t2;

t2 = t -t1 = 8-4

t2 = 4 hours

Average speed = distance travelled ÷ time taken

The average speed for the second part of the trip v2 is;

v2 = d2 ÷ t2

Substituting t2 and d2;

v2 = 240 miles ÷ 4 hours

v2 = 60 mph

The average speed during the second part of the trip is 60 mph

3 0
3 years ago
Can one of y’all just ask their question??
g100num [7]

Answer:

okay..so how was your day tdy?

4 0
3 years ago
A is a graph that is unbroken
vichka [17]

Answer:A function whose graph is an unbroken line or curve with no gaps or breaks. Direct Variation


Step-by-step explanation:

A function whose graph is an unbroken line or curve with no gaps or breaks. Direct Variation. A linear relationship between two variables, x and y, that can be written in the form y=kx, where k is a nonzero constant. Discontinuous Function. A function whose graph has one or more jump, breaks, of holes.


4 0
3 years ago
Which of the following theorems verifies that kml=opq?
den301095 [7]

Consider two right triangles ΔKML and ΔOPQ. From the diagram you can see that:

  • KL≅OQ (hypotenuses);
  • ∠MLK≅∠OQP (adjacent angles to the hypotenuses).

Then you can use HA theorem that states:  "If the hypotenuse and an acute angle of one right triangle are congruent to the hypotenuse and an acute angle of another right triangle, then the two triangles are congruent."

Answer: correct choice is B.

7 0
3 years ago
Find the slope of the line through (4,−5) and (−2,1).
nordsb [41]

Answer:

slope = - 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }

with (x₁, y₁ ) = (4, - 5) and (x₂, y₂ ) = (- 2, 1)

m = \frac{1+5}{-2-4} = \frac{6}{-6} = - 1

4 0
3 years ago
Read 2 more answers
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