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Lynna [10]
3 years ago
14

Sarah wants to buy a drone that is 65% off. The original price is $71.80. What is the sales price(nearest penny)?

Mathematics
2 answers:
svetlana [45]3 years ago
5 0

Answer:

The amount should be 46.67

Step-by-step explanation:

Based on these calculations, the equation should have the layout of 71.80 x 65% which equals 46.67.

r-ruslan [8.4K]3 years ago
5 0

Answer:

$25.13

Step-by-step explanation:

65 of $71.80 is 46.67

if it's 65% off then subtract 46.67 from 71.80 the result is 25.13

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What is -2 times positive three
Elanso [62]

Answer:

-6

Step-by-step explanation:

You multiply -2 by 3 and you get -6.

2 negatives or 2 positives equals a positive number in Multiplication and Division.

But a Negative number and a positive number equals a negative number in Multiplication and Division.

3 0
4 years ago
Read 2 more answers
What is the equation in vertex form of the quadratic function with a vertex at (-1, -4) that goes through (1, 8)?
cestrela7 [59]

Answer:

y = 3(x+1)^2 - 4

Step-by-step explanation:The general form of the equation of a quadratic function whose vertex is (h,k) and whose leading coefficient is a is:

y - k = a(x-h)^2, or

y      = a(x-h)^2 - k

Substituting the coefficients of the vertex (-1, -4), we get:

y      = a(x + 1)^2 - 4

Substituting the coordinates of the given point, (1,8), we get:

8      = a(1+1)^2 - 4, which simplifies to:

8      = a(2)^2 - 4, or

8  = 4a - 4.  Then 4a = 12, and a = 3.

Thus, the desired equation is y = 3(x+1)^2 - 4 (answer j).


5 0
4 years ago
Part a : solve - vp + 40 < 65 for v .
miskamm [114]

Answer:

\large \text{Part a:}\\\\for\ d-\dfrac{25}{d}}

\large\text{Part b:}\\\\\boxed{r=\dfrac{7}{3}w-5}

Step-by-step explanation:

\text{Part a}\\\\-vp+400,\ \text{then}\ \boxed{v>-\dfrac{25}{d}}\\\\\text{if}\ d

\text{Part b}\\\\7w-3r=15\qquad\text{subtract 7w from both sides}\\\\-3r=-7w+15\qquad\text{divide both sides by (-3)}\\\\\boxed{r=\dfrac{7}{3}w-5}

6 0
4 years ago
The hypotenuse of a right triangle measures 16 cm and one of its legs measures 11 cm.
Zarrin [17]

Answer:

11.6cm

Step-by-step explanation:

a^2+b^2=c^2

11^2+b^2=16^2

121+b^2=256

b^2=135

b=11.6

6 0
2 years ago
Find the value of x that makes ABCD a parallelogram
Studentka2010 [4]

Can you please show attachments.

3 0
3 years ago
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