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puteri [66]
2 years ago
8

Which expression is the best estimate of 1.25 + (-2.69)?

Mathematics
1 answer:
Nitella [24]2 years ago
4 0

Answer:

C. 2 + (-3)

Step-by-step explanation:

-2.69 can be rounded to -3 and 1 can be rounded to 2

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A line has a rise of 6 and a slope of 1/20. What is the run?
mr Goodwill [35]

Answer:

120

Step-by-step explanation:

Slope = rise / run

1/20 = 6 / run

run = 120

8 0
3 years ago
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What is 0.69 expressed as a fraction in simplest form
Hitman42 [59]

Answer:

the answer is 69/100

4 0
2 years ago
A force of 10 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work is done in stretching it
Troyanec [42]

Answer:

W = 15/4 ft . ib

Step-by-step explanation:

Force = 10ib

According to hooked law, f(x) = kx

x = 4inches = 4/12 ft

x= 1/3ft

f(x) = 1/3k

10 = 1/3k

k = 30 ib/ft

f(x) = 30x

Workdone = integral of f(x) with its limit

6 inches = 6/12 ft

= 1/2ft

W = integral(1/2 to 0) of 30x

W = 15x^2(1/2 to 0)

W = 15(1/2)^2 - 15(0)^2

W = 15(1/4) - 0

W = 15/4 ft. Ib

4 0
3 years ago
Calculate the mean of the following. 3,5,6,4,7,3,9,8​
madam [21]

Step-by-step explanation:

mean = sum of observation/ no. of observation

mean = 3+5+6+4+7+3+9+8/ 8

<h2>mean = 45/8 = 5.6</h2>
5 0
3 years ago
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Please answer correctly !!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!
Oksanka [162]

Answer:

EF is parallel to HG or EH is parallel to FG. EF to HG is correct I think.

Step-by-step explanation:

Look at the markings on the lines.

7 0
2 years ago
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