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3 years ago

15

E^x = 25 ...................

2 answers:

oksano4ka [1.4K]3 years ago

6 0

$2^{x} =4 ----\ \textgreater \ x = log_{2} 4$

anzhelika [568]3 years ago

5 0

X is equal to about 3.218876

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Please help soon! Thanks! Solve for x

spin [16.1K]

Answer:

$x=27\degree$

Step-by-step explanation:

$\because AC || DE.... (given)$

$\therefore m\angle CAD= m\angle EDF\\ (corresponding \: \angle s)$

$\therefore m\angle BAD= m\angle EDF\\(\because B\in \overleftrightarrow{AC})$

$\therefore m\angle BAD= 2x\\(\because m\angle EDF=2x)$

$In\:\triangle BAD,$

$m\angle BAD+m\angle BDA+m\angle ABD= 180\degree$

$2x+2x+72\degree = 180\degree$

$4x= 180\degree -72\degree$

$4x= 108\degree$

$x= \frac {108\degree}{4}$

$x=27\degree$

5 0

3 years ago

7 to the negative 3rd porwer times 7 to the negative 2nd porwer times 2 the 0 power divided by 7 to negative 1st power times 7 t

Jobisdone [24]

oof

remember some rules

(a/b)(c/d)=(ac)/(bd)

$\frac{x^a}{x^b}=x^{a-b}$

$x^0=1$

$(x^a)(x^b)=x^{a+b}$

$x^{-a}=\frac{1}{x^a}$

$\frac{(7^{-3})(7^{-2})(2^0)}{(7^{-1})(7^{-4})(2^3)}=$

$\frac{(7^{-3-2})(2^0)}{(7^{-1-4})(2^3)}=$

$\frac{(7^{-5})(2^0)}{(7^{-5})(2^3)}=$

$(\frac{7^{-5}}{7^{-5}})(\frac{2^0}{2^3})=$

$(7^{-5-(-5)})(2^{0-3})=$

$(7^0)(2^{-3})=$

$\frac{1}{2^3}=$

$\frac{1}{8}$

7 0

3 years ago

Please help I don't know

GaryK [48]

Answer:

your answer is correct

Step-by-step explanation:

-5 x -4=20

20+3=23

8 0

3 years ago

A math teacher noticed that her students always missed class when she gave a test. she was very confused by this, since a test i

IgorC [24]

Deductive reasoning!!!

3 0

4 years ago

Jennifer has 82.5 yards of fabric to make curtains. She makes 8 identical curtains and has 7.3 yards of fabric remaining. How ma

stepan [7]

Answer:

9.4 yards

Step-by-step explanation:

If 7.3 yards of fabric are remaining, then Jennifer uses 82.5-7.3=75.2 yards of fabric.

Jennifer uses 75.2 yards of fabric to make 8 identical curtains, then

$75.2:8=9.4$ yards of fabric Jennifer uses per curtain.

3 0

3 years ago