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DerKrebs [107]
3 years ago
9

Define your variable and write an equation that models the cost of each bracelet. X

Mathematics
2 answers:
Alexxandr [17]3 years ago
6 0
Work

<span>X is the price of bracelet

8x + 6 = 54
8x = 54 - 6
8x = 48
x = 48/8
x = 6

Answer

the bracelet cost $6</span>
ipn [44]3 years ago
6 0
Each bracelet should cost 6 dollars.
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3w + 4 - 5w + 1

-2w + 5
6 0
3 years ago
Prove the sum of two rational numbers is rational where a, b, c, and d are integers and b and d cannot be zero.
timama [110]

Answer:

hahahhaa thanks

Step-by-step explanation:

ahahahhahahad

5 0
2 years ago
Evelyn and Meredith decided to kayak 1 mile up and then back in the Humboldt channel.
Yakvenalex [24]

The rate of the water flowing in the channel was 2 miles per hour, the rate Evelyn and Meredith were paddling is mathematically given as

v+ = 2.29 1mile/hour

<h3>What is the rate Evelyn and Meredith were paddling?</h3>

Generally, the equation for the up and downstream motion is mathematically given as

vup=v-2

vdown=v+2

Therefore, Statement interpretation

2/3=40*1/60

3+2/3hr=11/3

Where, tup+tdown=11/3

tup+tdown=11/3

1/Vup+1/vdown=11/3

Considering the LCD equation

3(v-2)(V+2)

Hence

\frac{3(v-2)(v+2)}{v-2}+\frac{3(v-2)(v+2)}{v+2}=\frac{11(3)(v-2)(v+2)}{3}\\\\3(v+2)+3(v-2)=11(v+2)(v-2)

11v^2-6v-44=0

v=\frac{-b\pm \sqrt{b^2-4ac}}{2a}

Resolving using the equation we have

v+ = 2.29 1mile/hour

v- = -1.745 mile hour

Read more about  Speed

brainly.com/question/4931057

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7 0
2 years ago
A project is graded on a scale of 1 to 5. If the random variable, X, is the project grade, what is the mean of the probability d
choli [55]

The correct answer is D) 3.

The mean is 3

8 0
3 years ago
Read 2 more answers
HELP ASAP PLSSSSSSSSSSSS
ludmilkaskok [199]

Answer:

f = .39

Step-by-step explanation:

d (v) = 2.15 v^2 / (64.4 f)

v = 40

d = 138

substitute these in

138 = 2.15 (40)^2 / (64.4 *f)

simplify

138 = 2.15 (*1600) / (64.4 *f)

138 = 3440 / (64.4 *f)

multiply each side by 64.4f

138 * 64.4 f = 3440

8887.2 f = 3440

divide by 8887.2

8887.2 f /8887.2= 3440/8887.2

f=.38707

to the nearest hundredth

f = .39

8 0
3 years ago
Read 2 more answers
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