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Virty [35]
3 years ago
13

5/8 + -3/4 i don’t know this

Mathematics
1 answer:
Deffense [45]3 years ago
6 0

Answer:

-0.125

Step-by-step explanation:

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What’s the percent increase in 5 and 12
katrin2010 [14]

Answer:

A lot

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
HELP ME Use the figure shown. Let point D be at ( - 4,1). Use the sides of ABDA to find the slope of the line. Ay 4 3 C(-2,2) 2
ipn [44]

Answer:

slope = -1/2

Step-by-step explanation:

we use point B and point A to find the slope

A(-2,1)    B(-4,2)

-2 = x1

1 = y1

-4 = x2

2 = y2

the formula for slope is: y/x = y1 - y2  /  x1 - x2 = 1 -2 / -2-(-4) = -1/2

Graph is in picture                                                                      

8 0
2 years ago
Need to find the sum of 50
Bumek [7]

Answer:

4600

Step-by-step explanation:

This is an arithmetic sequence with common difference d between consecutive terms.

d = - 2 - (- 6) = 2 - (- 2) = 6 - 2 = 4

The sum to n terms of an arithmetic sequence is

S_{n} = \frac{n}{2}[ 2a + (n - 1)d ]

where a is the first term

here a = - 6, d= 4 and n = 50, hence

S_{50} = \frac{50}{2} [ (2 × - 6) + (49 × 4) ]

                           = 25 ( - 12 + 196 )

                           = 25 × 184

                           = 4600

6 0
3 years ago
Arnold skydives out of an airplane with a parachute. After he opened his parachute Arnold descended at 70feet per second. An obs
vivado [14]

Answer:

Arnold descended a distance of 5,250 ft after his parachute opened

Step-by-step explanation:

Here in this question, we want to know the distance Arnold descended after his parachute opened.

Mathematically, we know that distance = speed * time

In this case;

The speed is the rate at which he descended = 70 ft per second

Now the time is 1 minute and 15 seconds; since 1 minute is 60 seconds, then 1 minute and 15 seconds is 60 + 15 = 75 seconds

So what we are saying is he descended at a rate of 70 ft per second for 75 seconds

Thus, his distance of descent will be 70 ft per second * 75 seconds = 5,250 ft

4 0
3 years ago
Read 2 more answers
A 2 digit number is one more than 6 times the sum of its digits. If the digits are reversed, the new number is 9 less than the o
atroni [7]

10a+b=c,

c=6*(a+b)+1,

10b+a=c-9

a = 4, b = 3, c = 43

8 0
3 years ago
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