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Ivanshal [37]
3 years ago
15

Using a scale, Jamal found the mass of a rock to be 3000 grams. Kemen used a different scale and recorded a different mass for t

he same rock. The percent error for Kemen's measurement was 5%. Which measurement could be the mass that Kemen recorded? A) 15000 g B) 2850 g C) 600 g D) 150 g.
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
3 0
It's answer B) 2850 because
3000:100x5=150           3000-150=2850
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In Cos A = 0.4 Find The Value Of Cos 3 A.<br><br><br><br>Thenku ☃️<img src="https://tex.z-dn.net/?f=%20%5C%3A%20%5C%3A%20" id="T
s2008m [1.1K]
Answer:
- 0.944

Step-by-step explanation:
We know that,
cos 3A = 4 cos³A - 3 cos A (formula)

So,
If cos A = 0.4,

cos 3A = 4 cos³A - 3 cos A
cos 3A = 4 × (0.4)³ - 3 × (0.4)
cos 3A = 4 × 0.064 - 1.2
cos 3A = - 0.944


Hope it helps ⚜




3 0
2 years ago
Read 2 more answers
Bailee had a gross income of $2358.33 during each pay period in 2009. If she got paid monthly, how much of her pay was deducted
wariber [46]
FICA is 6.2% of your gross compensation. To calculate the amount deducted for FICA, determine the gross compensation in 2009. In this problem, Bailee's gross income per month is $2358.33.

Yearly income:

$2358.33 * 12 months = $28,299.96

Thus, the FICA deduction is $1754.60
8 0
3 years ago
Read 2 more answers
Write an exponential function y = abx for a graph that includes (2, 24) and (3, 48).
labwork [276]
I think you mean y=ab^x.
First, plug in the values of x=2 and y=24 for the first equation, and x=3 and y=48 for the second one:

24 = ab^2
48 = ab^3

divide equation 2 by equation 1:
2 = b^1

or, more simply:
2 = b

now plug b into one of the equations to get "a":

24 = a*2^2
24 = a*4
6 = a

So, the answer is y = 6(2)^x
(I think you need to specify the power of x in your answers)
7 0
2 years ago
Read 2 more answers
What is 22 + 125 - 6
uysha [10]

Answer:

141

Step-by-step explanation:

calculator

4 0
2 years ago
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0.45 plus 9x equals 27
oee [108]

Answer:

x = 2.95

Step-by-step explanation:

<u>Step 1:  Convert words into an expression</u>

0.45 plus 9x equals 27

0.45 + 9x = 27

<u>Step 2:  Solve for x</u>

0.45 + 9x - 0.45 = 27 - 0.45

9x / 9 = 26.55 / 9

x = 2.95

Answer:  x = 2.95

7 0
3 years ago
Read 2 more answers
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