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3 years ago

PLEASEEE HELLPPP

Mathematics

2 answers:

aliya0001 [1]3 years ago

7 0

the answer is c=10s-0.10s

soldi70 [24.7K]3 years ago

5 0

Answer:

10s - 0.10s is not equivalent to given situation.

C is correct.

Step-by-step explanation:

Hailey buys 10 shirts at 10% off

Cost of each short = $s

Total cost for 10 shirts = 10s

Discount Amount = 10% of 10s or 0.10(10s)

Amount to be paid = Amount of 10 shorts - Discount Value

= 10s - 0.10(10s)

= 10s - 1s

= 9s

In calculation steps we can see which are from option.

A, B and D are the steps of calculation.

Therefore, They are equivalent equation except C

Hence, Only C is not equivalent to the situation.

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JulsSmile [24]

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4 years ago

An item costs $440 before tax, and the sales tax is $30.80.

JulsSmile [24]

Answer:

Step-by-step explanation:

30.80%=0.308

0.308/440=0.0007%

0.0007 is the same as 7%

4 0

3 years ago

Rewrite the expression 2(x + 5) using the Distributive Property.

ehidna [41]

Answer:

2x + 10

Step-by-step explanation:

To expand (using the distributive property) multiply the number outside the bracket i.e. in this case '2', with the values inside the brackets.

So multiply '2' and 'x' and '2' and 5' and add or subtract on basis of whether the second value is positive or negative.

2(x + 5)

= (2*x)+(2*5)

=2x+10

extention note: be careful when the symbol within the equation within the brackets is a subtraction because it implies that the second value would instead be a negative number and should be treated as such.

an example

2(x-5)

= (2*x)+(2*-5)

=2x -10

Anyhow, I hope this helped!

5 0

3 years ago

sketch a unit circle with angle instandard positionquestions:a. For what values of 0 is the sine increasing? Decreasing?b. For w

liq [111]

We can draw a unit circle as:

The sine is the vertical leg (or vertical projection) of the triangle formed by the angle.

The cosine will be the horizontal leg (or horizontal projection) of this same triangle.

The hypotenuse of this triangle will be the radius if the unit circle (r = 1).

a) The sine will be increasing from θ = 0° until it reaches its maximum at 90°.

Then it will be decreasing for angles between 90° and 270°.

Between 270° and 0° it will be increasing again.

b) The cosine has a maximum value for an angle of 0°.

It will decrease until 180°.

Then it will be increasing from angles between 180° and 360°.

c) We can see in the unit circle that the sine is 0 when the angle is one the horizontal axis, like when θ = 0° or θ = 180°.

The cosine will be equal to 0 when the angle is vertical: θ = 90° and θ = 270°.

Answer:

a) Increasing: (0°, 90°) and (270°, 360°)

Decreasing: (90°, 270°)

b) Increasing: (180°, 360°)

Decreasing: (0°,180°).

c) Sin(θ) = 0 for θ = 0° and θ = 180°

Cos(θ) = 0 for θ = 90° and θ = 270°

4 0

1 year ago

PLEASE HELP ASAP!! BRAINLIEST!!

Elan Coil [88]

Answer:

Option 3

Step-by-step explanation:

${2}^{ \frac{4}{3} } = \sqrt[3]{ {2}^{4} } = \sqrt[3]{16}$

3 0

3 years ago

Read 2 more answers