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Brut [27]
3 years ago
7

What is 7•7•7•5•5•5•5 in exponential form

Mathematics
2 answers:
pychu [463]3 years ago
8 0

Step-by-step explanation:

7•7•7•5•5•5•5 = 7³ • 5⁴

<h2>Hope it helps you</h2>
Bad White [126]3 years ago
6 0

Answer:

7³*5⁴

Step-by-step explanation:

First, we had to put these in exponential form. We had 7 multiplied by itself 3 times, so we put a superscript of three. We also had to multiply 5 by istlef four times, so we put a superscript of four above the five. Next, we know they are being multiplyed together, so we have the two numbers, now in exponential form, and we put the multiplication symbol between them.

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3 years ago
The top and bottom margins of a poster are each 15 cm and the side margins are each 10 cm. If the area of printed material on th
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Answer:

the dimension of the poster = 90 cm length and 60 cm  width i.e 90 cm by 60 cm.

Step-by-step explanation:

From the given question.

Let p be the length of the of the printed material

Let q be the width of the of the printed material

Therefore pq = 2400 cm ²

q = \dfrac{2400 \ cm^2}{p}

To find the dimensions of the poster; we have:

the length of the poster to be p+30 and the width to be \dfrac{2400 \ cm^2}{p} + 20

The area of the printed material can now be:  A = (p+30)(\dfrac{2400 }{p} + 20)

=2400 +20 p +\dfrac{72000}{p}+600

Let differentiate with respect to p; we have

\dfrac{dA}{dp}= 20 - \dfrac{72000}{p^3}

Also;

\dfrac{d^2A}{dp^2}= \dfrac{144000}{p^3}

For the smallest area \dfrac{dA}{dp }=0

20 - \dfrac{72000}{p^2}=0

p^2 = \dfrac{72000}{20}

p² = 3600

p =√3600

p = 60

Since p = 60 ; replace p = 60 in the expression  q = \dfrac{2400 \ cm^2}{p}   to solve for q;

q = \dfrac{2400 \ cm^2}{p}

q = \dfrac{2400 \ cm^2}{60}

q = 40

Thus; the printed material has the length of 60 cm and the width of 40cm

the length of the poster = p+30 = 60 +30 = 90 cm

the width of the poster = \dfrac{2400 \ cm^2}{p} + 20 = \dfrac{2400 \ cm^2}{60} + 20  = 40 + 20 = 60

Hence; the dimension of the poster = 90 cm length and 60 cm  width i.e 90 cm by 60 cm.

4 0
3 years ago
The numbers on this ruler represent centimeters. What is the precision of this ruler? cm What is the greatest possible error for
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Answer:

1)0.1cm

2)0.05cm

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Step-by-step explanation:

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Answer:

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Your realized income is $2,085.44, and your fixed expenses are 30%. You want to save 6 months worth in an emergency fund. How mu
Leviafan [203]

Answer:

$3753.79

Step-by-step explanation:

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Now you need to take your Fixed Expenses and multiply that to the number of months you want to save for.

$625.63 x 6 = $3753.79

So you will need to save $3753.79 for 6 months worth of an emergency fund.

4 0
4 years ago
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