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pogonyaev
3 years ago
12

Brainliest if correct

Mathematics
1 answer:
PIT_PIT [208]3 years ago
6 0

\left(\dfrac{7}{4} \right)^{11} = \dfrac{7^{11}}{4^{11}}

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What is the product as a sum for (x + 7)(2x – 5)
True [87]

Answer:

B

Step-by-step explanation:

u add both of the x's and add 7 and 2 then u times 7 and 5

8 0
3 years ago
Kiran is collecting dimes and quarters in a jar. He has collected $10.00 so far and has dimes and quarters. The relationship bet
Aleks [24]

Answer:

A, C, and E

Step-by-step explanation:

i just substituted the d and q values

8 0
3 years ago
Help please this my second time posting this please help
Nesterboy [21]

Answer:

x = √30

Step-by-step explanation:

From small triangle BDC:

using Pythagorean theorem

CB² = BD² + DC²

x² = BD² + 3²

Fron triangles BDC and ADB.

ΔBDC has long leg BD and short leg DC.

ΔADB has long leg AD and shirt leg BD.

AD : BD = BD : DC

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4 0
3 years ago
How do you solve: 81 X 9^(-2b-2)=27
Dominik [7]

Did you mean

81* 9∧(-2b-2)=27 => First divide whole equation with 81 and get

(3∧2)∧(-2b-2)=1/3 => 3∧(-4b-4)=3∧(-1) => -4b-4=-1 => -4b= -1+4 => -4b=3 =>

we will multiply whole equation with (-1) and get 4b=-3 => b=-(3/4)

If the start item is correct.

Good luck!!!



5 0
3 years ago
Read 2 more answers
F(x)=tgx*ctgx.calculați derivata funcției
Marina86 [1]
Nota: am folosit Google Translate așa că sper sensul nu se pierde în traducere<span>

Sunt presupunând că t, g, și c sunt constante

</span>simplifica

f(x)=cg²t²x²

amintiți-vă că derivitive de af (x), în cazul în care a este o constantă este un lucru ori mai mare decât derivitve lui f (x)

f(x)=cg²t²(x²)

<span>Amintiti-va: derivitive lui x^n este nx^{n-1}</span>
<span>

</span>
<span>f'(x)=cg²t²(2x¹)
f'(x)=cg²t²(2x)
f'(x)=2cg²t²x</span>
5 0
3 years ago
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