2 years ago

What shape is a four-sided polygon with 4 right angles and at least 2 equal sides?

Mathematics

1 answer:

alexgriva [62]2 years ago

8 0

Answer:

its either a rectangle or a square :)

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Keith works 8 hours per day for 5 per week. melba works 2,250 minutes each week. who spends more time at work

Orlov [11]

Answer:

Keith does.

Step-by-step explanation:

2250/60=37.5

8*5=40

Keith spends 40 hrs at work Melba spends 37.5 hrs.

6 0

3 years ago

The arch of a bridge forms the upper half of an ellipse. The arch is 6 meters above the 20-meter-wide river. Write an equation f

aksik [14]

Answer:

$\frac{x^2}{36} + \frac{y^2}{100} = 1$

Step-by-step explanation:

Required

The equation of the ellipse

This is calculated as:

$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$

Where:

$b =6$ ---- height

$a = 0.5 * 20 =10$ --- width

So:

$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$

$\frac{x^2}{6^2} + \frac{y^2}{10^2} = 1$

$\frac{x^2}{36} + \frac{y^2}{100} = 1$

3 0

2 years ago

Bob and Jimmy went to the gym to lift weights. Jimmy lifted twice as much as Bob. Together they lifted 51lbs. How much did each

Darina [25.2K]

I broke it all the way day half of 51 is 25 in a half and half of 25 is 12 in half so if Jimmy lifted twice as much he may have lifted 25 in a half and bob left 12

8 0

3 years ago

Read 2 more answers

Solve for x<br>2x^2 - 12x + 18 = 0

maria [59]

X=3 was this helpful?

8 0

3 years ago

Using the same coin, flip it a new twenty times and record your results. What is the experimental probability of flipping a head

babunello [35]

Answer:

50%

Step-by-step explanation:

No matter how many times you flip a coin, there is always a 50% probability that you will flip heads because there are only two outcomes.

3 0

3 years ago