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Savatey [412]
3 years ago
12

HELP ME I HAVE TO PASS

Mathematics
1 answer:
raketka [301]3 years ago
5 0
B, I used elimination
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HELPPPPP PLZ TYSM!!!!!!!!!!!
Pani-rosa [81]
Multiply both the top and the bottom by (4-3i) to eliminate i in the denominator:
10(4-3i)/(4+3i)(4-3i)=(40-30i)/[4²-(3i)²]=(40-30i)/25
reduce: (8-6i)/5
a=8, b=5, c=6, d=5
7 0
3 years ago
What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4
Aliun [14]

Answer:

The logarithmic function modeled by the given table:

f(x) = log₃x

Step-by-step explanation:

Given Table:

x     f(x)

9     2

27    3

81    4

We can see that x increases as powers of 3. And f(x) is the power.

We assume that f(x) = log₃x

Checking using the table:

for x = 9

f(x) = log₃9 = 2

for x = 27

f(x) = log₃27 = 3

for x = 81

f(x) = log₃81 = 4

Hence proved.  

7 0
4 years ago
Plz help due tomorow
Sergio039 [100]

Answer:

D . 20ft2

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Roman has 2 red pencils in his backpack. if this is 25% of the total number of pencils, how many pencils are in his backpack???
Vinvika [58]
Data:
If:
2 red pencils  → 25% or 0.25
So:
"y" pencils → 75% or 0.75

The rule of three: (<span>directly proportional)
</span>\frac{2}{y} = \frac{0.25}{0.75}
<span>multiply cross
</span>0.25*y = 2*0.75
0.25y = 1.5
y =  \frac{1.5}{0.25}
\boxed{y = 6\:pencils}

<span>how many pencils are in his backpack?
</span><span>Add the values ​​of the pencils

</span>\boxed{\boxed{2 + 6 = 8\:pencils}}\end{array}}\qquad\quad\checkmark<span>
</span>
4 0
4 years ago
Stu wants to join a gym. Fit-Place charges a $135 startup fee and then $35 per month. The Factory has no startup fee but charges
antiseptic1488 [7]

I don't know the answer use a calculater

3 0
3 years ago
Read 2 more answers
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