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zzz [600]
3 years ago
13

SHOW ALL WORK 5<3x or -6+2r<-15

Mathematics
1 answer:
stiks02 [169]3 years ago
4 0

Answer:

2r<-15+6.

2r<-9

2r/2<-9/2.

r>-4.5

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(02.03 LC)
Ivan

Answer:

KL = MN

Step-by-step explanation:

i got the question right on my test

7 0
4 years ago
X^2 - 12x + 19 in the form of (x + a)^2 + b ???
kow [346]

Answer:

( x-6)^2 -17

Step-by-step explanation:

X^2 - 12x + 19

we need it in given below form

(x + a)^2 + b

we know that

(x + a)^2 = x^2 + 2ax + a^2\\

lets convert that in same form

X^2 - 12x + 19 = x^2 + 2(-6)x + 19

comparing x^2 + 2(-6)x to x^2 + 2ax

we have a -6

now

(x-6)^2 = x^2 + 2(-6)x + 36

36 is missing in the x^2 + 2(-6)x + 19 hence to get that

we add and subtract 36 in the above equation

so we have

x^2 + 2(-6)x + 19 + 36 -36

rearranging  it \

(x^2 + 2(-6)x  + 36) -36 + 19    (x^2 + 2(-6)x  + 36 =( x-6)^2)

=>( x-6)^2 -17

comparing the above equation to

(x + a)^2 + b

we have a = -6

b = -17

( x-6)^2 -17

7 0
3 years ago
Marissa would like to estimate the sum of 6821 + 4963. Explain how Marissa could use rounding to make an estimate.
Natali [406]
Marissa would round 6,821 to 7,000 and 4,963 to 5,000. Then she would add 7,000 and 5,000 and get 12,000.
The exact answer would be 11,784.
6 0
4 years ago
Read 2 more answers
Will give brainly if answer is right
Ira Lisetskai [31]

Answer:

28 degrees

Step-by-step explanation:

The given figure is an octagon. The sum of interior angles in an octagon is 1080. Thus, one can form an equation, add up all of the angle measures, and set the equation equal to 1080. Then simplify and use inverse operations to find the value of the parameter (t).

(150) + (3t + 34) + (5t) + (5t) + (3t + 37) + (7t - 49) + (5t - 16) + (5t) = 1080

Simplify,

33t + 156 = 1080

Inverse operations,

33t + 156 = 1080

      -156       -156

33t = 924

/33     /33

t = 28

4 0
3 years ago
Need help checking if they are right
Stells [14]

Answer:

Step-by-step explanation:

so I see at the top , it's saying the triangles are "similar" this is a very important part.   meaning that the triangles are copies of each other just bigger or smaller but other wise the same.

QR is 25    check

HG is 30   check

X1 = 48  check

X2 = 14 check

x3 =  6 check

7 0
3 years ago
Read 2 more answers
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