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anastassius [24]
3 years ago
15

Brandy watched a beetle and a spider on the sidewalk. The beetle crawled 2/5 of a yard and the spider crawled 3/20 of a yard. Ho

w much farther did the beetle crawl than the spider?
Mathematics
1 answer:
Llana [10]3 years ago
7 0

Answer:

¼ yd

Step-by-step explanation:

2/5 - 3/20

1. Find the lowest common denominator of the two fractions.

The LCD of 5 and 20 is 20.

2. Give the fractions the same LCD

2/5 - 3/20 = 8/20 - 3/20

3. Subtract the numerators

Keep the same denominator.

8/20 - 3/20 = 5/20

4. Simplify the fraction

5/20 = ¼  

The beetle crawled ¼ yd further than the spider.

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Can anybody give me solving steps?
Tasya [4]

Answer:

angle relationship: same-side interior

value of x: 40

Step-by-step explanation:

the horizontal lines are parallel and the vertical line is the transversal, so 3x+x+20=180. combine the x's and subtract 20 from both sides to get 4x=160. then divide both sides by 4 to get x=40.

6 0
3 years ago
Dianna has 7 quarters, 3 dimes, and 8 nickels in her purse. She reaches into her purse and randomly grabs two coins. What is the
Leni [432]

There are 18 coins total in her bag:

7+3+8=18coins

3 of the 18 coins are dimes, so the odds of first drawing a dime are 3/18

P(dime)=3/18

Since the nickel was taken out and not replaced, there are now 17 coins in her purse.

18-1=17coins

8 of the 17 remaining coins are nickels, so the odds of drawing a nickel are 8/17.

P(nickel)=8/17


Now we multiply the two probabilities by eachother to find out the odds of both occurring...


P(dime)*P(nickel)=

3/18*8/17=24/306=8/103=0.078=8%

The probability of grabbing a dime and then a nickel are 8/103 or 0.078 or an 8% chance, whichever way you'd prefer to write it.

4 0
3 years ago
I need help with this word problem please ​
Anika [276]

Answer:

-60 m/s²

Step-by-step explanation:

We are not given the velocity of the plane at landing but we are given velocities at two time periods

V₅, the velocity of the plane 5 seconds after landing is 110 m/s

Plugging this into the velocity equation we get

\bold{v_5 = a.5 + v_0 = 5a + v_0}                (1)

Similarly

\bold{v_{15} = a.15 + v_0 = 15a + v_0}           (2)

Subtract (1) fromv_{15} - v_5 = (15a + v_0) - (5a + v_0) = (15a-5a) + (v_0-v_0) = 10a

Therefore a = \frac{v_{15} - v_5}{10}

Given v_{15}= 50 m/s \textrm{ and } v_5 = 110m/s

this evaluates to

a = (50-110)/10 =  -60 m/s²

The negative value is because the plane is actually decelerating which is a negative number

8 0
2 years ago
Need Help ASAP! 10 points
goldfiish [28.3K]

Answer:

200 pounds

Step-by-step explanation:

1 ton is equal to 2000 pounds

if you divide 2000 by 10, 2000÷10=200

Hope this helps :)

3 0
3 years ago
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Please help!!! Which system of inequality’s is shown below???!!! Use picture below to help you! ;)
irina1246 [14]

Answer:

b

Step-by-step explanation:

...

3 0
3 years ago
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