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3 years ago

1. What is the m value (slope) and the b value (y-intercept)

Mathematics

1 answer:

fomenos3 years ago

5 0

$y=4x-2$

m = 4 and b = -2

Formula to find slope can be meant 2 ways.

( 1 ) m = rise/run

( 2 ) $m = \frac{y_2-y_1}{x_2-x_1}$ if it's a small text then it's m = y2-y1 / x2-x1

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HELP ME!!! Answer in Scientific Notation and explain and show work.

umka21 [38]

Multiplying means you add the exponents and dividing means you subtract the exponents. Treat the decimals as you normally would.
$(4.3 \times {10}^{8} ) \times (2.0 \times {10}^{6} )$
$4.3 \times 2.0 = 8.6$
$8 + 6 = 14$
$8.6 \times {10}^{14}$

$(6 \times {10}^{3} ) \times (1.5 \times {10}^{ - 2} )$
$6 \times 1.5 = 9$
$3 + - 2 = 1$
$9 \times {10}^{1}$

$(1.5 \times {10}^{ - 2} ) \times (8.0 \times {10}^{ - 1} )$
$1.5 \times 8 = 12$
$- 2 + - 1 = - 3$
$12 \times {10}^{ - 3}$

$\frac{(7.8 \times {10}^{3}) }{(1.2 \times {10}^{4}) }$
$\frac{7.8}{1.2} = 6.5$
$3 - 4 = - 1$
$6.5 \times {10}^{ - 1}$

$\frac{(8.1 \times {10}^{ - 2} )}{(9.0 \times {10}^{2} )}$
$\frac{8.1}{9.0} = 0.9$
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$0.9 \times {10}^{ - 4}$

$\frac{6.48 \times {10}^{5} }{(2.4 \times {10}^{4} )(1.8 \times {10}^{ - 2}) }$
$2.4 \times 1.8 = 4.32$
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$\frac{6.48 \times {10}^{5} }{4.32 \times {10}^{2} }$
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7 0

3 years ago

How long would it take a garden snail at his top speed of 0.01 m/s to travel 1 mile? Use 1 mile = 1609 meters. Round to the near

Alinara [238K]

Answer:

45 hours

Step-by-step explanation:

1 mile * <u>1609 meters </u> * <u> 1 s </u> = 160900 sec

1 mile .01 meters

160900 sec / 60 /60 = 44.7 = 45 hours

6 0

3 years ago

Read 2 more answers

What is the present value of a cash inflow of 1250 four years from now if the required rate of return is 8%

sdas [7]

Using simple interest, it is found that the present value of the cash inflow is of 947.

<h3>Simple Interest</h3>

Simple interest is used when there is a single compounding per time period.

The amount of money after t years in is modeled by:

A(t) = A(0)(1 + rt)

In which:

A(0) is the initial amount.

r is the interest rate, as a decimal.

In this problem, the parameters are given as follows:

t = 4, r = 0.08, A(4) = 1250.

Then we solve for A(0) to find the present value.

A(t) = A(0)(1 + rt)

1250 = A(0)(1 + 0.08 x 4)

A(0) = 1250/1.32

A(0) = 947.

More can be learned about simple interest at brainly.com/question/25296782

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8 0

2 years ago

Alan Is saving money to buy a game. So far he has saved $20, which is four-fifths of the total cost of the game. How much does t

Ede4ka [16]

Answer:

The game cost $25.

Step-by-step explanation:

20 divided by 4 = 5

5 = 1/5 of the total cost

5x5 = 25

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3 years ago

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HELP PLZZZZ ! plzzzz

elena-14-01-66 [18.8K]

I think it’s number two

5 0

4 years ago