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MA_775_DIABLO [31]
3 years ago
8

6th Grade Math

Mathematics
1 answer:
vodomira [7]3 years ago
3 0
I’m assuming you are trying to find unit rate. It’s pretty simple

You just want to do 830.76/30.1. This gives you 27.6 miles per gallon.
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PLZ HELP ME WILL GIVE BRAINLIEST
geniusboy [140]

Answer:

negative slope

Step-by-step explanation:

using the slope equation you can see that the slope is -53

3 0
3 years ago
What is the answer for this equation-18-6k=(1+3k)
kompoz [17]
-18 - 6k = 1 + 3k
-6k - 3k = 1 + 18
-9k = 19
k = -19/9 or - 2 1/9
3 0
3 years ago
What is the area of the largest rectangle that can be inscribed in an isosceles triangle with side lengths $8$, $\sqrt{80}$, and
e-lub [12.9K]
First let's solve the general case for an isosceles triangle of base 2 and height k. If the triangle is drawn so the base is on the x-axis and the apex is on the y-axis, the equation for the line containing the right side is
  y = -k(x-1)
Then a rectangle with x-dimension w will have an area that is the product of this width and the height y = -k((w/2)-1).
  area = w(-k(w/2 -1)) = (-k/2)w² +kw
The derivative of area with respect to w will be zero where the area is a maximum:
  d(area)/dw = 0 = -kw +k
  w = 1 . . . . . . add kw and divide by k
Using the formula for area, we find
  area = 1(-k(1/2-1)) = k/2
This value is 1/2 the total area of the triangle we started with.

If the side lengths of your triangle are 8, √80, and √80, the height will be given by the Pythagorean theorem as
  h = √((√80)² - (1/2·8)²) = √(80-16) = 8
Your triangle's area will be
  triangle area = (1/2)(8)(8) = 32

The maximum area of the inscribed rectangle will be half this value,
  16 square units

4 0
3 years ago
If h and j are positive, (h+j)2 = 73 and h2 +j2 = 51, what is hj?
kkurt [141]

Answer:

hj = 11

Step-by-step explanation:

  • (h+j)^2=73,\:\: and\:\: h^2+j^2 =51 (Given)

  • (h+j)^2 = h^2+j^2 +2hj

  • \implies 73= 51 +2hj

  • \implies 73- 51 =2hj

  • \implies 22 =2hj

  • \implies hj = \frac{22}{2}

  • \implies hj = 11
3 0
2 years ago
What is the sum of 4/6 and 4/9
dsp73
I hope this helps you

4/6=4.6/6.6=24/36

4/9=4.4/4.9=16/36

24/36+16/36

24+16/36

40/36

4.10/4.9

10/9
8 0
3 years ago
Read 2 more answers
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