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4 years ago

7

A cell phone was on sale 30% off.The sale price was $239.89 .what was the original price of the phone

1 answer:

klasskru [66]4 years ago

4 0

Answer: $167.92

239.89×0.70=167.923

I got the 70 from 100-% off (100-30)

May I ask where this phone is? I need a new one :)

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Given Δ XYZ ≅ Δ EGF, find the measurements of the unknown sides and angles.

mamaluj [8]

The two triangles are similar and equal therefore; It means the corresponding sides are equal and the corresponding angles are equal. Hence;
ZX=EF, thus,ZX = 1.3 in.
EG = XY, thus, EG = 3.0 in.
m∠ X = m∠E, thus m ∠X = 48°
m∠ G = m∠Y, and angles in a triangle add up to 180 thus;
m ∠ G=180- (107 +48) = 25°

6 0

3 years ago

Read 2 more answers

Solve<img src="https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D" id="TexFormula1" title="\frac{2}{3}" alt="\frac{2}{3}" align="absm

Dovator [93]

Answer:

$x=0$

Step-by-step explanation:

Hi there!

$\displaystyle\frac{2}{3} (6x+30)=5(x+4)-2x$

Distribute 2/3 and 5 into the parentheses:

$4x+20=5x+20-2x$

Combine like terms:

$4x-5x+2x=20-20\\-x=0\\x=0$

I hope this helps!

7 0

3 years ago

how to integrate <img src="https://tex.z-dn.net/?f=e%5E%7B2s%7D%20%2ACos%20%5Cfrac%7Bs%7D%7B4%7D" id="TexFormula1" title="e^{2s}

icang [17]

Answer:

$\int\limits {e^{2s} cos\frac{s}{4} ds$ = $\frac{4 e^{2s} }{65 } ({8 cos (\frac{1}{4} ) s + sin \frac{1}{4} s} ))$

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that $f(s) = e^{2s} cos\frac{s}{4}$

Now integrating

$\int\limits {f(s)} \, ds = \int\limits {e^{2s} cos\frac{s}{4} ds$

By using integration formula

$\int\limits { e^{ax} cos b x dx = \frac{e^{ax} }{a^{2}+b^{2} } ( a cos b x + b sin b x )$

<u><em>Step(ii):-</em></u>

$\int\limits {e^{2s} cos\frac{s}{4} ds$ = $\frac{e^{2s} }{(2)^{2}+(\frac{1}{4}) ^{2} } ( 2 cos (\frac{1}{4} ) s + \frac{1}{4} sin \frac{1}{4} s ))$

= $\frac{e^{2s} }{(4+\frac{1}{16})} ( 2 cos (\frac{1}{4} ) s + \frac{1}{4} sin \frac{1}{4} s ))$

= $\frac{e^{2s} }{(\frac{65}{16} } ( \frac{8 cos (\frac{1}{4} ) s + sin \frac{1}{4} s}{4} ))$

= $16 X\frac{e^{2s} }{65 } ( \frac{8 cos (\frac{1}{4} ) s + sin \frac{1}{4} s}{4} ))$

= $\frac{4 e^{2s} }{65 } ({8 cos (\frac{1}{4} ) s + sin \frac{1}{4} s} ))$

<u><em>Final answer:-</em></u>

$\int\limits {e^{2s} cos\frac{s}{4} ds$ = $\frac{4 e^{2s} }{65 } ({8 cos (\frac{1}{4} ) s + sin \frac{1}{4} s} ))$

6 0

3 years ago

Liam Had 250. Then, he and his classmate buy present for their teacher, evenly splitting the P cost among the 24 of them. How mu

tamaranim1 [39]

If it was just the splitting It would be
Let L be the amount he has left
L= 250-( P/24 )

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3 years ago

Find the least number with factors 11, 23, and 37.

stich3 [128]

23,11,37

least numbers

6 0

3 years ago