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Dahasolnce [82]
3 years ago
6

Help will give brainliest

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
8 0

━━━━━━━━━━━━━━━ ♡ ━━━━━━━━━━━━━━━  

So the "back" of the arrow is on/above -20.

The arrow points to -12.

You added something to -20 to get to -12.

So the first number is -20. You added ? to get -12. -12 is the last number / the answer to the equation.

So the equation from what you have so far is -20 + ? = -12

You need to isolate the ? so that you know what it is.

So to get rid of the -20 (make it 0), you have to add 20. -20 plus 20 equals 0, which basically means it is gone. You also have to add 20 to -12. 20 plus -12 equals 8.

Now the equation is ? = 8.

So you know that the second number is 8.

The equation makes sense; -20 + 8 = -12.

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Can you help me please ​
lora16 [44]
Cos(5/12)=65.4
It won't let me do short anwser
7 0
2 years ago
Mr. Jones sent his kids to Mt. Olympus. He gave each of his 5 children money for the day that included money for 4 drinks, 3 san
mihalych1998 [28]

Answer:

195

Step-by-step explanation:

4 drinks = 1.5 * 4 = 6.

3 sandwiches = 2 * 3 = 6

2 treats = 1 * 2 = 2

$6+$6+$2+$25 = 39

Multiply by 5 for each kid

39*5=195

6 0
2 years ago
What value of x is in the solution set of 2(4+2x)>5x+5
Serggg [28]

Answer:

x < 3

Step-by-step explanation:

2(4+2x)>5x+5

Distribute

8 +4x > 5x+5

Subtract 4x from each side

8 +4x-4x > 5x-4x+5

8 > x+5

Subtract 5 from each side

8-5 > x+5-5

3 > x

X must be less than 3

7 0
2 years ago
Write the expression as a single natural logarithm. 3 ln 3 + 4 ln b ln 96b4 ln (27 + b4) ln 36b ln 27b4
Anon25 [30]
3 ln 3 + 4 ln b  =>  ln 3^3 + ln b^4  =>  ln (3^3)*(b^4)
4 0
3 years ago
Find the vertex of this parabola: y=-4x^2+8x-12
tatiyna
<span>The vertex of the parabola is the highest or lowest point of the graph. 

</span><span>y=-4x^2+8x-12 = -4 (x^2 -2x +3) 

Lets work with this now: </span>x^2 -2x +3

x^2 -2x +3 -> what is the closeset perfect square? 
x^2 -2x +1 = (x-1)^2
So
x^2 -2x +3 = (x-1)^2 +2

Replacing to original 
y=-4x^2+8x-12 = -4 (x^2 -2x +3) = -4 ((x-1)^2 +2) = -4 (x-1)^2 - 8

The min or max point is where the squared part = 0
So when x=1 , y= -4*0-8=-8

This will be the max of the parabola as there is - for the highest factor (-4x^2)

The max: x=1, y= -8
4 0
2 years ago
Read 2 more answers
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