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3 years ago

13

During a sale each item in the store is 80% off it's regular price if the regular price of a t-shirt is $18 how much is the disc

ount ?

2 answers:

Feliz [49]3 years ago

6 0

Answer:

14.40$

Step-by-step explanation:

7nadin3 [17]3 years ago

3 0

Answer:

so u will pay 3.82 and u will save 15.26 dollars

Step-by-step explanation:

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Analyze the graph of a cannonball launched from the ground with an initial velocity of 144 feet per second. The cannonball reach

MrRissso [65]

We can find that the formula is:
$h(t)=-16t^2 + 144t$

We are told that the cannonball reaches its maximum height at t = 4.5 seconds. To find the maximum height, let's just plug this into the formula:
$h(4.5) = -16(4.5)^2 + 144(4.5) = 324$

The height is 324 feet. We're done!

7 0

3 years ago

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Can someone help me please im confused

Kruka [31]

Interesting, have you tried Wikipedia?

7 0

3 years ago

For the parallelogram ABCD the extensions of the angle bisectors AG and BH intersect at point P. Find the area of the parallelog

natita [175]

Answer:

The area of a parallelogram is 360 in.²

Step-by-step explanation:

Where DG = GH

GP = 12 in.

AB = 39 in.

∠DAB + ∠ABC = 180° (Adjacent angles of a parallelogram)

Whereby ∠DAB is bisected by AG and ∠ABC is bisected by BH

Therefore, ∠GAB + ∠HBA = 90°

Hence, ∠BPA = 90° (Sum of interior angles of a triangle)

$cos(\angle GAB) = \dfrac{AP}{AB} = \dfrac{AP}{39} = \dfrac{GP}{GH} =\dfrac{12}{GH}$

We note that ∠AGD = ∠GAB (Alternate angles of parallel lines)

∴ ∠AGD = ∠AGD since ∠AGD = ∠GAB (Bisected angle)

Hence AD = DG (Side length of isosceles triangle)

The bisector of ∠ADG is parallel to BH and will bisect AG at point Q

Hence ΔDAQ ≅ ΔDGQ ≅ ΔGPH and AQ = QG = GP

Hence, AP = 3 × GP = 3 × 12 = 36

$cos(\angle GAB) = \dfrac{AP}{AB} = \dfrac{36}{39}$

$\angle GAB = cos^{-1} \left (\dfrac{36}{39} \right )$

∠GAB = 22.62°

$cos(\angle GAB) = \dfrac{36}{39} = \dfrac{12}{GH}$

$GH = \dfrac{39}{36} \times {12}$

GH = 13 in.

∴ AD 13 in.

BP = 39 × sin(22.62°) = 15 in.

GH = √(GP² + HP²)

∠DAB = 2 × 22.62° = 45.24°

The height of the parallelogram = AD × sin(∠DAB) = 13 × sin(45.24°)

The height of the parallelogram = 120/13 = 9.23 in.

The area of a parallelogram = Base × Height = (120/13) × 39 = 360 in.²

7 0

3 years ago

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The common difference in an arithmetic sequence is –2 and the first term is 47. What is the 29th term?

BlackZzzverrR [31]

An arithmetic sequence is an ordered list of numbers where the next number is found by adding on to the last number (ex: 2,5,8,11... is a sequence where 3 is added on to find the next number).

The equation for an arithmetic sequence is
$A_{n}=A_{1}+(n-1)d$

$A_{n}$ is the "n-th" number in the sequence (ex: is the first term in the sequence)
d is the number you add (common difference) to find the next number
The first number in the sequence is 47 so $A_{1}=47$
<span>d=-2 because the question gives you that
</span>
$A_{n}=A_{1}+(n-1)d$
<span> $A_{29}=47+(29-1)(-2)$
</span><span> $A_{29}=47+(28)(-2)$
</span><span> $A_{29}=47+-56$
</span><span> $A_{29}=-9$
</span>
The answer is A. -9.

<u> </u>

<span>The answer is C. 158</span>

For the second one, it gives you $A_{1}=4$ and <span> $A_{}=18$
You can use this to find d

</span><span> $A_{n}=A_{1}+(n-1)d$
</span><span> $A_{3}=4+(3-1)d$
</span><span> $18=4+(3-1)d$
</span><span> $18=4+2d$
</span><span> $14=2d$
</span><span> $7=d$
</span>
Now you can just solve using the equation normally.
<span> $A_{n}=A_{1}+(n-1)d$
</span><span> $A_{23}=4+(23-1)(7)$
</span><span> $A_{23}=4+(22)(7)$
</span><span> $A_{23}=4+154$
</span><span> $A_{23}=158$
</span>
The answer is C. 158

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3 years ago

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Which type of investment return can change the most from day to day?

Lorico [155]

Probably B mutual funds

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3 years ago