What is 0.000000986 in scientific notation?
____x10---

Answers

Answer 1
Answer: 0.000000986 = 986 * 10^(-9)=\boxed{ 9.86 * 10^(-7)}
Answer 2
Answer: it's going to be a negative exponent, since the number is less that 1.
move the decimal to where 986 is more than one but less that 10.
9.86X10^-7


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Which information is needed to show that a parallelogram is a rectangle?

How would you draw a counterexample to this?

Answers

Melanie said: 
Every angle bisector in a triangle bisects the opposite side perpendicularly.

A 'counterexample' would show an angle bisector in a triangle that DOESN'T
bisect the opposite side perpendicularly.

See my attached drawing of a counterexample.

Both of the triangles that Melanie examined have equal sides on both sides
of the angle bisector.  That's the only way that the angle bisector can bisect
the opposite side perpendicularly.  Melanie didn't examine enough different
triangles.

A bicycle shop repaired 40 bicycles in 8 days. What was the rate of work?

A.


B.


C.


D.

Answers

40÷8= 5
they repaired on average 5 bikes per day
The bike shop repairs 40/8=5 bicycles per day, on average.

Which is the standard form of the equation of a parabola with a focus of (8, 0) and directrix x = –8?

Answers

with a parabola that faces left or right it is
(y-k)²=4p(x-h)

p is distance from directix to vertex which is also the distance from vertex to focus

if it opens to the right, then p is positive
if it opens to the left, then p is negative

so we know that directix is-8 and focus is (8,0)
directix is behind the parabola
so therfor the parabola opens to the right
distance from x=-8 to (8,0) is 16 units
16/2=8
p=8

vertex is 8 units to right of directix or 8 units to the left of focus
(8,0) is focus so vertex is (0,0)


(h,k) is vertex
(y-k)²=4p(x-h)
(y-0)²=4(16)(x-0)
y²=64x

Answer:

If your on e2020, its C

Step-by-step explanation:

y^2=32x, the work above is correct but they forgot to take the square away in the final answer. hope this helps!

Megan borrowed $50,000 at 5% simple interest for 6 years. joseph borrowed $60,000 at 4% simple interest for 8 years. using the formula who will have a greater monthly payment, m, and by how much?

Answers

Answer:

Megan will pay $78 more than Joseph.

Step-by-step explanation:

Formula: Simple Interest = P x R x T

Megan Info

  • Borrowed Money (P)=$50,000
  • Rate of interest (r)=0.05
  • Time (t) = 6 years

Simple interest paid by Megan = 50,000 x 0.05 x 6 = 15000

Total amount paid in 6 years = 50000 + 15000 = $65,000

Monthly payment by Megan (m) = 65000÷72 = $903

Joseph Info

  • Borrowed Money (P)=$60,000
  • Rate of interest (r)=0.04
  • Time (t) = 8 years

Simple interest paid by Magan = 60,000 x 0.04 x 8 = 19200

Total amount paid in 8 years = 60000 + 19200 = $79,200

Monthly payment by Joseph (m) = 79200÷96 = $825

Now we find Difference of monthly payment

⇒Megan - Joseph

⇒ 903-825

$78

Thus, Megan will pay $78 more than Joseph.




Answer:

Megan will pay approximately $78 more per month.

Step-by-step explanation:


The area of a trapezoid is 322m2 one base is 12m and the height 14m what is the measure of the other base

Answers

Answer:

b = 34m

Step-by-step explanation:

Answer:

Depends on which base you mean, the longer base would be b=41.67

The shorter base would be a=39.67

Hope this helps :)

The turning of a figure or object about a fixed point is called:

Answers

I dont know im so sorry so i think its easy if you search it up!