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stellarik [79]
3 years ago
9

carinas cars is having a 25 % off sale.write an expression that can be used to find the sale price of any car on the lot:

Mathematics
2 answers:
serious [3.7K]3 years ago
8 0
X*.25=Y
Y=sale price

Hope this helps
Furkat [3]3 years ago
5 0
Pretend that x is the price of the original car:


x-(x•.25)


you subtract sales tax from the original amount of the car.  to find the tax you multiply the price of the car t and .25 (which is equal to 25%)

hope it helps!
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A student can pitch a fast ball at 65 miles per hour. Convert this
AnnyKZ [126]

Answer:

31.77 yd/sec

Step-by-step explanation:

<u>Conversions:</u>

  • 1 mile = 1760 yards
  • 1 hour = 3600 seconds

<u>Given:</u>

\sf 65\:miles\:per\:hour=65\:miles/hour=\dfrac{65\:miles}{hour}

Therefore, to convert 65 mph to yards per second:

\implies \sf \dfrac{65\:miles}{hour}=\dfrac{65 \times 1760\:yards}{3600\:seconds}=31.777...\:yd/s

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Alecsey [184]
1\10 has the greatest value as it is the smallest number diving one
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3 years ago
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So difficult!!! Someone help
Naya [18.7K]
When two lines cross like this, sum of measures of opposite angles is 180.
this means that:
measure angle AEC + measure angle BED = 180
4x-40 + x+50 = 180
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5 0
3 years ago
Evaluate i^31 please help
Nadya [2.5K]

ANSWER

{i}^{31}  =  - i

EXPLANATION

We want to evaluate

{i}^{31}

Use indices to rewrite the expression as:

=  {i}^{30}  \times i

We know that

{i}^{2}  =  - 1

So we rewrite the expression to obtain;

=  ({ {i}^{2}) }^{15}  \times i

This gives us;

=   {( - 1) }^{15}  \times i

This simplifies to

=  - 1 \times i

=  - i

4 0
3 years ago
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