(05.02) How many triangles can be made if two sides are 4 inches and the angle between them is 90°?

Mathematics

1 answer:

NeX [460]3 years ago

5 0

Answer:

only one

Step-by-step explanation:

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How many laps of 400m can a athlete cover in a race of 3.2km

galina1969 [7]

Answer:

8 m

Step-by-step explanation:

1) Make sure that they both have the same unit which in this case I'll change Km to m.

3.2 Km x 1000 = 3200 m

2) In order to find how much laps of 400m the athlete can cover you need to understand that one lap is 400 m, thus to find how many laps you have to divide 3200 m by 400 m

3200 m / 400 m = 8 m

7 0

3 years ago

311over500 as a decimal

larisa86 [58]

Divide 311 and 500 to get the answer as a decimal so the answer would be 0.622

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4 years ago

X - y = -2 4x - y = 4

olya-2409 [2.1K]

<h3>Explanation</h3>

Given the system of equations.

$\begin{cases} x - y = - 2 \\ 4x - y = 4 \end{cases}$

Use the elimination method as it is faster. We have to eliminate the y-term. (You can eliminate the x-term but it takes longer than eliminating y-term.)

Simply multiply the negative one in one of the equations.

$\begin{cases} - x + y = 2 \\ 4x - y = 4 \end{cases}$