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4 years ago

HELP ME FAST! PLEASE!

Mathematics

1 answer:

lisabon 2012 [21]4 years ago

3 0

Answer:

0.3

Step-by-step explanation:

1dm=10cm

S0, 4dm would equal... 40cm

Thefore we would divide 12/40

This gives us a final result of 0.3

Hope this was helpfull!

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If Sean drives 35 miles in 5 hours,how many miles does Sean drive in 1 hour?

Zepler [3.9K]

Answer:

7 miles

Step-by-step explanation:

you want to take the total miles and devide it by total time, (35/5) and that would be your answer.

7 0

3 years ago

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A 2-column table with 2 rows. Column 1 is labeled x with entries negative 7, 0. Column 2 is labeled y with entries 0, 1.

Gre4nikov [31]

Answer:

1/7.

Step-by-step explanation:

To solve this, we can simply use an equation to solve for the slope using two points:

$m= \frac{y_{2}-y_{1} }{x_{2}-x_{1}}$ We can substitute our points giving us:

$m= \frac{1-0}{7-0}$ $= m= \frac{1}{7}$

The slope of the graph is 1/7!

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3 years ago

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2. What is the effective annual rate of an investment that pays 6% for 5 years, compounded semiannually?

Ede4ka [16]

Answer:

effective annual rate is 6.16 %

Step-by-step explanation:

given data

rate = 6 % = 0.06

time 5 year = 10 semi annually

to find out

effective annual rate

solution

we know formula for annual effective rate of interest is

rate of interest = $(1+ r/n)^{n}$ -1

put here all value

rate of interest = $(1+ 0.06/10)^{10}$ -1

rate of interest = 0.061646

so effective annual rate is 6.16 %

8 0

4 years ago

Please help, (no links please) <br><br> Solve for x: -7

miss Akunina [59]

Answer:

-X/7

Step-by-step explanation:

7 0

3 years ago

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The width of a rectangle measures (2.5u+9.8)(2.5u+9.8) centimeters, and its length measures (1.5u+3.9)(1.5u+3.9) centimeters. Wh

icang [17]

Solution,

We have,

Width of rectangle, b = (2.5u+9.8) cm

Length of rectangle, l = (1.5u+3.9) cm

We need to find the expression for the perimeter of the rectangle. The formula for the perimeter of a rectangle is given by:

Perimeter = 2(l+b)

P = 2[(2.5u+9.8)+(1.5u+3.9)]

Collecting like terms

P = 2[(2.5u+1.5u)+(9.8+3.9)]

P=2(4u+13.7)

⇒ P = 8u+27.4

So, the expression for the perimeter of the rectangle is (8u+27.4) cm.

3 0

3 years ago