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Burka [1]
4 years ago
8

How many degrees is each variable?Having a bit of trouble. I get lost with so many numbers.

Mathematics
1 answer:
igor_vitrenko [27]4 years ago
8 0
Angle a is 90 and angle b is the difference of 180 - 163, or 17
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A certain triangle has two 45° angles. What type of triangle is it?
Lady bird [3.3K]

Answer:

Right isosceles triangle

Step-by-step explanation:

In Right isosceles triangle, two angles are acute and equal, while, the third angle is of 90°

8 0
4 years ago
Read 2 more answers
write an equation in slope intercept form of a line passing through the point (2,-3) that is perpendicular to a line whose slope
vladimir2022 [97]
1) find slope. when its perpendicular, It will be a negative reciprocal to the given slope so m1= -1/m1 
m=-1

2) y=mx+b
    y =-1x+b 
    (-3)=-1(2)+b
     -3=-2+b
       b=-1

3)  y=-1x-1

hope I helped!
6 0
3 years ago
A freight train leaves a station and travels north at 60 mph. 4 hours ​later, a passenger train leaves on a parallel track and t
harkovskaia [24]

Answer:

first do:

60mph * 4 hours= 240mi

Let D = the distance the passenger train has to  

travel to catch the freight train

Start a stopwatch when the passenger train leaves

Let t = the time on the stopwatch when they meet

Equation for freight train:

d-240=60t

Equation for passenger train:

d=100t

all together:

100t-240=60t

we can do 100t-60t because they both have (t)= 40t

40t=240 *now divide 240 by 40= 6

THEN do:

D= 100mph x 6= 600mi

They will meet 600 mi from the station

to check:

d-240=60t x 6

600-240= 360

60 x 6= 360

360=360

5 0
3 years ago
Which is the value of the expression ((10^4)(5^2)/(10^3)(5^3))^3
dimulka [17.4K]

Answer:

8

Step-by-step explanation:

Let's set this up to see if we can simplify it a bit:

(\frac{10^4*5^2}{10^3*5^3})^3

Notice we have 4 tens on top and 3 on bottom, so we can eliminate the bottom 3 altogether and leave just one on top.  And we have 2 fives on the top and 3 on bottom, so we can eliminate the 2 on the top and leave one on the bottom.  Now that looks like this:

(\frac{10}{5})^3

10 divided by 5 is 2, and 2 cubed is 8

8 0
3 years ago
E is between D and F. Find DF. PLEASE HELP, PICTURE PROVIDED— DUE TMMR
german

Answer:

24

Step by-step explanation:

6x=3x-1+13

common like terms (-1+13)

6x=3x+12

subtract 3x on both sides

3x=12

divide 3x on both sides

x=4

insert 4 into equation 6*4=24

3(4)-1+13=24

6 0
3 years ago
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