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Nastasia [14]
3 years ago
13

I’m not really sure how to do this but if someone could please help with explanation on how to do it thank you

Mathematics
2 answers:
mihalych1998 [28]3 years ago
5 0

Answer:

A

Step-by-step explanation:

it’s using the commutative property of addition meaning it’s the same mathematical statement.

masya89 [10]3 years ago
3 0

Answer: a because it’s using the commutative property of addition meaning it’s the same mathematical statement, it’s just moved around

Step-by-step explanation:

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You are constructing deck chairs that require 12 2/3 feet of lumber each. How many feet of lumber will you use to make 15 chairs
Mrrafil [7]
As each chair needs 12.6667 feet lumber.So 15 chairs will need 15*12.6667=190.0005 lumber
5 0
3 years ago
pam deposited $6,900 in a savings account with simple interest. Four months later she had earned $23 in interest. What was the i
3241004551 [841]

Answer:

1%

Step-by-step explanation:

We use the simple interest equation of A=P(1+rt).

A-the total amount with interest earned

P-the initial amount or principal

r-rate

t-time in years

We substitute the values P=6900, A=6923, and t=0.33 since 4 months divided by 12 months is 0.333 years. We then solve for r.

6923=6900(1+r(0.33))\\6923=6900(1+0.33r)\\\frac{6923}{6900} =\frac{6900(1+0.33r)}{6900} \\1.0033=1+0.33r\\1.0033-1=1-1+0.33r\\0.0033=0.33r

Our final step is to divide both sides by 0.33.

\frac{0.0033}{0.33} =\frac{0.33r}{0.33} \\0.01=r

This is the decimal of the rate. We convert to a percentage by multiplying by 100. 0.01(100)=1%.


5 0
2 years ago
How do you do this??
Alex777 [14]

The formula for the circumference of a circle = 2 x radius x pi

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Circumference = 2 x 21 x 3.142 = 131.964 cm

6 0
2 years ago
Read 2 more answers
Write the linear equation in slope-intercept form passing through the point with the given slope. (0, 3); slope = -2
Setler [38]
Y= -2x+3
-2 is the slope which is given, and 3 is the y intercept which is also given, so plug those numbers in y=Mx+b to make your equation
6 0
2 years ago
1. Over 6 days, Jim jogged 6.5 miles, 5 miles,
Leona [35]

Answer:

  B.  4 miles

Step-by-step explanation:

Jim ran a total of ...

  6.5 +5 +3 +2 +3.5 +4 = 24 . . . . miles

Then his average was ...

  (24 miles)/(6 days) = 4 miles/day

5 0
2 years ago
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