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3 years ago

PLS HELP ME ASAL FOR 7, 8, and 9. A and B! (SHOW WORK!!!!) + LOTS IF POINTS!! (BE SPECIFIC ON WHICH your ANSWERING)

Mathematics

1 answer:

nevsk [136]3 years ago

5 0

Ok so
Q.1=B
Q.2=B
Q.3(a)=(d-45)+m+65
(b)=d+m+20

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A triangular sail has a base length of 2.5 meters.The area of the sail is 3.75 square meters.How tall is the sail?

love history [14]

Area of a triangle = 1/2 x base x height

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Find Height :
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3.75 = 1/2 x 2.5 x height

3.75 = 1.25 x height

height = 3.75 ÷ 1.25

height = 3 meters

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Answer: The height is 3 meters.
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3 years ago

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2 years ago

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Answer:

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2 years ago

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Vadim26 [7]

Answer:

1 - F

2 - B

3 - H

4 - A

Step-by-step explanation:

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y < -2x + 4

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b = -2

y < mx + b

y < 1x -2

y < x - 2

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2 years ago

Exponential growth/decay problem 1

RUDIKE [14]

Answer:

a) growth

b) $500

c) 6% = 0.06

d) $f(x)=500(1.06)^x$

e) $595.51

Step-by-step explanation:

Part (a)

Exponential GROWTH, since interest is applied to the account each year.

Part (b)

Initial amount = $500

Part (c)

Growth factor = 6% = 0.06 (in decimal form)

Part (d)

General form of exponential growth function:

$f(x)=a(1+r)^x$

where:

a = initial amount
r = rate of growth (in decimal form)
x = time (in years)

Given:

a = 500
r = 0.06

$\implies f(x)=500(1+0.06)^x$

$\implies f(x)=500(1.06)^x$

Part (e)

when x = 3

$\begin{aligned}\implies f(3) & =500(1.06)^3\\ & = 595.51\: \sf(nearest\:hundredth)\end{aligned}$

5 0

2 years ago