It takes a driver 70 minutes to drive to his workplace at 100km/h. If the distances were the same, what would be his speed in 1.5hours ?!Help me pls

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Answer 1
Answer: The STD triangle. Speed, Distance and Time triangle can help you convert and get the answer. Distance = Speed x Time. Speed = Distance / Time.

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If y is 5 when x is 2.5 and y varies directly with x, find y when x is 10.57.512.520

9.54 million mi2 without decimal

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Answer:

9,540,000 square miles

= 17,210,000

Pwease help its just easy math

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Answer:

its divided into sixths

13x-7y+4x(simply the expression by combining like terms)
Please help!:) and if you can please show the steps!<3​

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Answer:

17−7

Step-by-step explanation:

Hope this helped good luck in your work!

What is B=T-Lc for T

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B=T-Lc \n \n \boxed{T=B+Lc}
Just add Lc to both sides

T = B + Lc

A kite is a quadrilateral with two pairs of adjacent, congruent sides. The vertex angles are those angles in between the pairs of congruent sides. Prove the diagonal connecting these vertex angles is perpendicular to the diagonal connecting the non-vertex angles. Be sure to create and name the appropriate geometric figures. This figure does not need to be submitted

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from the figure we can express as Pythagoras theorem for rectangle triangles:

a^2 = r^2 + z^2

b^2 = r^2 + z^2

sen m = z/a
cos m = r/a

hence by the law of sines and cosines:

sen^2 m + cos^2 m = 1
(z/a)^2 + (r/a)^2 = 1

z^2/a^2 + r^2/a^2 = 1

substitue first equation value for a^2
z^2/(r^2 + z^2) + r^2/(r^2 + z^2) = 1

which proves that in fact is a triangle rectangle due to Pythagoras and sine-cosine laws, the same procedure can be follow for the other rectangle triangule in teh figure.

The area of a rectangle is 28 square miles. The length is 7 miles.What is the width of the rectangle?

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the width of the rectangle is 4 miles
4 mi. because  L times W = H