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Verizon [17]
3 years ago
13

1.5[3(14.5+7)-3]-7.4

Mathematics
1 answer:
nalin [4]3 years ago
7 0

Answer:

84.85

Step-by-step explanation:

1.5[3(14.5+7)-3]-7.4

1.5[3*21.5-3]-7.4

1.5*61.5-7.4

=84.85

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Is the circumference of all circles about 3 times greater than their diameters. and why?
stira [4]

Answer:

<h2>Yes the circumference is about times greater than their diameters</h2>

Step-by-step explanation:

We will approach this problem by doing a check

Say the diameter of a circle is 4 cm

Hence the radius is 3 cm

We know that the circumference is C=2\pi r

C=2*3.142*2= 12.57cm

The circumference is about 3 time bigger than the diameter

Let us try another case say the diameter is 6 cm

The radius is 3 cm

C=2*3.142*3= 18.85cm

8 0
2 years ago
Which of the following is a factor of 3x^3-12x?<br> 3x-4<br><br> x+2<br><br> x+3<br><br> x-4
VMariaS [17]

Answer:

x + 2

Step-by-step explanation:

3x^3 - 12x

=3x(x^2 - 4)

= 3x(x + 2)(x - 2)

so (x+2), (x - 2) and 3x are the factors of 3x^3 - 12x

answer:

x + 2

6 0
3 years ago
Read 2 more answers
Deposited 4000 into account with 5.5% interest how much will she have in 3 years with no withdrawals bring made
NikAS [45]

Answer:

12,600 after 3 years with no withdrawals.

4 0
3 years ago
Of
jasenka [17]

Answer:

3.6 mph

Step-by-step explanation:

The total distance was 6 mi. and the total time was 5/3 hr.

6 ÷ 5/3 = 6(3/5) = 18/5 = 3.6 mph

6 0
2 years ago
PLEASE HELP I WILL MARK BRAINLIEST AND GIVE EXTRA POINTS!
olga2289 [7]

Answer:

ohh I don't know these kind of questions so I can't help hehe

3 0
2 years ago
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