MATHEMATICS MIDDLE SCHOOL

Write an equation to solve this problem:

5/9 of 100?

Thanks!

Answers

Answer 1
Answer: the answer is about 55.5555555556 is 5/9 of 100

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Write an equation of the line that is:a) parallel to the line y=4x+1, and that passes through point (2,3)
  b) parallel to the line 2y-6x=9, and that passes through point (-2,1)
  c) parallel to the line y=4x+3, and that has the same y-intercept as the line y=5x-3
  d) parallel to the line -1/2x, and that has the same y-intercept as the line 2y=7x+6
  e) perpendiclar to the line 2y-4x=8, and that passes through point (6,-6)
  f) perpendicular to the line 2y-5x=15, and has an x-intercept of  3

  please help me with all the questions it would mean alot

Answers

a)\ny=4x+1\na=4\nnew\ y=bx+c\nif\ parallel a=b\ny=4x+c\nsubstituting\point\ (2,3)\n3=4*2+c\nc=-5\ny=4x-5\nb)\n2y-6x=9\n2y=6x+9\ny=3x+4,5\na=3\nnew\ y=bx+c\nif\ parallel a=b\ny=3x+c\nsubstituting\ point\ (-2,1)\n1=4*(-2)+c\nc=9\ny=3x+9\n c)\ny=4x+3\na=4\nnew\ y=bx+c\nif\ parallel a=b\ny=4x+c\nc=-3\ny=4x-3\ne)\n2y-4x=8\n2y=4x+8\ny=2x+4\na= 2 \nnew\y=bx+c\nif\ perpendicular b=-1/a\ny=- (1)/(2) x+c\npoint(6,-6)\n-6=-1/2*6+c\nc=-3\ny=-1/2x-3\nf)\n2y-5x=15\n2y=5x+15\ny=(5)/(2)x+(15)/(2)

What is a equaled sign

Answers

An equal sign is a symbol in mathematics.

It is to indicate that the given terms are equal. 

It is also used to indicate a mathematical equality. 

An equal sign looks like ( = ) this. 
an equal sign is a symbol that looks like =

Andrea's car get 25 miles per gallon of gas. The cabin is 190 miles away. How many gallons of gas will she need to get there?

Answers

190 miles / 25 miles
=7.6 gallons
Ok so its the same thing with using proportions.25/1 twenty-five per mile 190/x miles needed and unkown amountCross multiply 25 times x and 190 times 1. 25x= 190. Divide by 25 on each side. X= 7.6

a recipe for sweet potato pie calls for 3/4 cup of milk. Martina has 6 cups of milk. How many sweet potato pies can she make with that amount of milk?

Answers

8 sweet potatoe pies
6 ÷ 3/4 = 6/1 ×4/3 = 24/3= 8... 8 sweet potatoe pies

What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?

Answers

Answer:

25.6 units

Step-by-step explanation: From the figure we can infer that our triangle has vertices A = (-5, 4), B = (1, 4), and C = (3, -4).

First thing we are doing is find the lengths of AB, BC, and AC using the distance formula:

d=\sqrt{(x_2-x_1)^{2} +(y_2-y_1)^{2}}

where

(x_1,y_1) are the coordinates of the first point

(x_2,y_2) are the coordinates of the second point

- For AB:

d=\sqrt{[1-(-5)]^{2}+(4-4)^2}

d=\sqrt{(1+5)^{2}+(0)^2}

d=\sqrt{(6)^{2}}

d=6

- For BC:

d=\sqrt{(3-1)^{2} +(-4-4)^{2}}

d=\sqrt{(2)^{2} +(-8)^{2}}

d=\sqrt{4+64}

d=\sqrt{68}

d=8.24

- For AC:

d=\sqrt{[3-(-5)]^{2} +(-4-4)^{2}}

d=\sqrt{(3+5)^{2} +(-8)^{2}}

d=\sqrt{(8)^{2} +64}

d=\sqrt{64+64}

d=\sqrt{128}

d=11.31

Next, now that we have our lengths, we can add them to find the perimeter of our triangle:

p=AB+BC+AC

p=6+8.24+11.31

p=25.55

p=25.6

We can conclude that the perimeter of the triangle shown in the figure is 25.6 units.

Read more on Brainly.com - brainly.com/question/12560433#readmore

Whats the answer to the problem ?

Answers

Answer:

could you give what the problem is



Step-by-step explanation:
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