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Alexeev081 [22]
2 years ago
14

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP PLS PLS

Mathematics
1 answer:
Strike441 [17]2 years ago
8 0
can u help me with mine thx
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11.3x = 15 - 2x<br> Help me
schepotkina [342]

Answer:  see below

Step-by-step explanation:

11.3x=15-2x

We move all terms to the left:

11.3x-(15-2x)=0

We add all the numbers together, and all the variables

11.3x-(-2x+15)=0

We get rid of parentheses

11.3x+2x-15=0

We add all the numbers together, and all the variables

13.3x-15=0

We move all terms containing x to the left, all other terms to the right

13.3x=15

x=15/13.3

x=1+1/7.8235294117647

   

7 0
2 years ago
Read 2 more answers
(MARKING BRAINLIEST)Which of these is the most helpful first step for solving Frank's equation, 2x+28=40?
riadik2000 [5.3K]
Answer: B. Subtract 28 from both sides
Explanation: You need to subtract first because the variable needs to be by itself.
7 0
3 years ago
If the x-intercepts of a quadratic function are (8,0) and (6,0), what is the x-coordinate of
Fynjy0 [20]

Answer:

x = 7

Step-by-step explanation:

Remember that the axis of symmetry (a vertical line that passes through the vertex) is exactly halfway between the two x-intercepts.  Thus, the x-coordinate of the vertex is 7.

7 0
2 years ago
Round to nearest tenth
Goshia [24]

Answer:

Step-by-step explanation:

this is exactly the same as the 1st one,  just  they put it in a different orientation.   sooo use law of cosines , where

QR = c

a = 12

b = 23

cos(120) = cos (P)

c = sq rt [ a^2+b^2﹣2*a*b*cos(P) ]

QR = sq rt [ 12^2 + 23^2 - 2* 12*23*cos(120) ]

QR = sq rt [ 144 + 529 - 552 * (-0.5 0 ]

QR = sq rt [ 673 + 276 ]

QR = sq rt [ 949 ]

QR = 30.8058

rounded to nearest 10th is

QR = 30.8  :)

6 0
2 years ago
alaina owes her mom $15 and her friend $27. then she babysat and earned $35. how much more money does alaina need to earn in ord
tino4ka555 [31]

35 - 27 = 8

15 - 8 = 7

She just payed off her best friend and has $8 left.

So she needs to earn $7 more to pay off the $15 she owes her mom

4 0
2 years ago
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