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Ilya [14]
2 years ago
11

Help needed!

Mathematics
1 answer:
Jet001 [13]2 years ago
7 0

Answer:

  • 15 inches

Step-by-step explanation:

<u>The ratio of sides in 30º-60º-90º triangle is:</u>

  • a : b : c = 1 : √3 : 2

<u>If a is 5√3, the length of b is:</u>

  • b = a√3 = 5√3 *√3 = 5*3 = 15
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10 quarts converted to cups
monitta

Answer:

40 cups

Step-by-step explanation:

We need to convert from quarts to cups using a conversion factor

We know that 1 quart = 4 cups

10 quarts * 4 cups

                -----------  =   40 cups

                1 quart

4 0
3 years ago
assume a telephone signal travels through a cable at two-thirds the speed of light. how long does it take the signal to get from
Helen [10]

The time length for a sign to travel from new york to Miami is 0.089 seconds.

We understand the speed of mild in miles per 2nd is 186,000.

the rate of smartphone signal is 2/3rd is =2/3rd of 186,000

                                                                     = 124,000 miles in line with 2nd

Distance among Miami and new york is given to be 1100 miles.

So, the time required to journey the phone signal from new york city to Miami is = distance ÷ speed

              = 1100 ÷ 124,000

              =0.089 seconds

Time taken via the telephone sign from Miami to new york is 0.089 seconds.

To learn more about the speed distance concept visit the link: brainly.com/question/28224010

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4 0
2 years ago
What are prime numbers? can you give an example?
Novosadov [1.4K]

Answer:

Prime numbers are numbers that only two factors, 1 and itself. Example: 2,3,5,7,11,13,17,19...............47 etc l. NB: 1 is not a prime number. All the multiples of the prime numbers are composite numbers

3 0
4 years ago
Please help with these math questions
marta [7]
1. Slope intercept form is y=mx+b, where m is slope and b is y-intercept. 
It gave you point (8,12) and slope of -2. 
So you already know the value of m, so so far it's y = -2x + b. 
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12 = -2(8) + b
12 = -16 + b
28 = b

Adding b in, you get y = -2x + 28

2. Find the slope, then use point-slope form.
Slope is change in y over change in x, or (y2-y1)/(x2-x1). 
m = (9-1)/(2-3) = 8/(-1) = -8

Point slope form: y - y1 = m(x - x1)
y - y1 = -8(x - x1)
Now plug in either of the coordinates as x1 and y1, let's do (3,1). 
y - 1 = -8(x - 3)
y - 1 = -8x + 24
y = -8x + 25

3. Do it the same way as number 2. Choose two points, for example (1,1) and (2,-2). You find m = -3 and get final answer as y=-3x + 4.

4. B = 150 + 80d 
B is account balance, d is number of monthly deposits.
If you rearrange the terms: B = 80d + 150, you see that that is in slope-intercept form y = mx+b, and if you remember from #1 m is the slope. In this case, the variables are changed, so d is the slope here. And the question told you that d, the slope, is the number of monthly deposits. Its coefficient is 80, so Bianca deposits $80/month.

<span>5. </span>
14a + 16b = 560
16b = 560 - 14a
b = (560 - 14a)/16
b = 560/16 - 14a/16
b = 35 - (7/8)a
<span>b = -(7/8)a + 35</span>
3 0
3 years ago
1.4 divided by 0.7 in a model
Zielflug [23.3K]

Answer:

Step-by-step explanation:

3 0
3 years ago
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