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Rashid [163]
3 years ago
9

1. For the three-part question that follows, provide your answer to each question in the given workspace. Identify

Mathematics
1 answer:
amm18123 years ago
6 0

Answer:  a) 6      b) 11.53     c) the smallest number of significant digits is 4

<u>Step-by-step explanation:</u>

a)

Complete the subtraction and addition (you can do this manually by lining up the decimal ... or... using a calculator)

2.784 - 3.00079 + 10.671 + 1.0798 = 11.5340  

→ there are 6 digits in the answer

b & c)

2.784            has 4 significant digits

3.00079       has 6 significant digits

10.671           has 5 significant digits

1.0798          has 5 significant digits

→ the smallest number of significant digits is 4 so round the answer from part a to 4 significant digits:  \large\boxed{11.53}

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Lydia writes the equation below with a missing value.
Alex73 [517]

If she puts 0 in the box she would have a direct variation.

Lydia writes the equation y = 5x - __ with a missing value.

She puts a value in the box and says that the equation represents a direct variation.

We have to choose the correct option from the given options that explain that the equation could represent a direct variation.

When two variables are such that one is a constant multiple of the other, we said they are in Direct variation.

<h3>What is the direct variation?</h3>

In form of y = ax, where y and x are in direct variation.

Consider the given equation y = 5x  - __

For the equation to be in direct variation the value of the missing term has to be 0.

then the equation becomes,

y = 5x

Thus, If she puts 0 in the box she would have a direct variation.

Option (a) is correct.

To learn more about the direct variation visit:

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3 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP Us the screenshot below
Dominik [7]
I believe its t>165*F
6 0
2 years ago
PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!
olga nikolaevna [1]
<h3>Answer:   1.15</h3>

==============================================================

Work Shown:

QR = 73

QP = 55

PR = x

Pythagorean Theorem

a^2 + b^2 = c^2

(QP)^2 + (PR)^2 = (QR)^2

(55)^2 + (x)^2 = (73)^2

3025 + x^2 = 5329

x^2 = 5329-3025

x^2 = 2304

x = sqrt(2304)

x = 48

PR = 48

----------

tan(angle) = opposite/adjacent

tan(R) = QP/PR

tan(R) = 55/48

tan(R) = 1.1458333 approximately

tan(R) = 1.15

8 0
3 years ago
Read 2 more answers
If a clock takes 2 seconds to strike twice at 2’o clock, then how much time will it take to strike thrice at 3’o clock ?
zzz [600]
Clock strikes once at one o clock, twice at two o clock, thrice at three o clock and so on. how many times will it strikes for 24 hours. this is a question for time word problem. if u know the answer please write it here.
5 0
3 years ago
Please help:) I'll report you if you steal points :(
Crank
Yeah y=9


hope this helped even tho I’m kinda late haha
5 0
2 years ago
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