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maks197457 [2]
3 years ago
11

3.2.2 7+6 - 9(-2)+(-3)​

Mathematics
1 answer:
Masteriza [31]3 years ago
4 0
Answer in the photo.......
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What’s the slope between (4,1)( 0,3)
adoni [48]

y2 - y1 \div x2 - x1 \\ 3 - 1 \div 0 - 4 \\ 2 \div  - 4 \\  - 2
4 0
3 years ago
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Solve these system of linear equations:
frutty [35]
1.solve for y
 2x+4y=12      
<u>  </u><span><u> -2x       -2x</u>
</span><u>4y</u>=<u>12-2x</u>
<u>4       4</u>
y=3-1/2x

step2 plug in y and solve for x
2x+8y=24
2x+8(3-1/2x)= 24
2x+24-4x=24
<u>-2x</u>=<u>0
</u><u>-2    -2</u>
 x=0
last step plug in x and solve for y

y=3-1/2x(0)
y=3

5 0
3 years ago
Find the value of x to the nearest tenth.
Alex73 [517]

64 - 9 = 55  \sqrt{55}  =  7.4161984871

7.4161984871/2 ≈3.7

6 0
3 years ago
Select ALL the correct answers.<br> Select all functions that have a y-intercept of (0,5).
otez555 [7]
1.) f(x)=7(b)^x-2
x=0→f(0)=7(b)^0-2=7(1)-2=7-2→f(0)=5→(x,f(x))=(0,5) Ok

2.) f(x)=-3(b)^x-5
x=0→f(0)=-3(b)^0-5=-3(1)-5=-3-5→f(0)=-8→(x,f(x))=(0,-8) No

3.) f(x)=5(b)^x-1
x=0→f(0)=5(b)^0-1=5(1)-1=5-1→f(0)=4→(x,f(x))=(0,4) No

4.) f(x)=-5(b)^x+10
x=0→f(0)=-5(b)^0+10=-5(1)+10=-5+10→f(0)=5→(x,f(x))=(0,5) Ok

5.) f(x)=2(b)^x+5
x=0→f(0)=2(b)^0+5=2(1)+5=2+5→f(0)=7→(x,f(x))=(0,7) No

Answers:
First option: f(x)=7(b)^x-2
Fourth option: f(x)=-5(b)^x+10 
7 0
3 years ago
What is the mean of these groups of numbers? 1,1,5,3,6,6
igor_vitrenko [27]
Mean
add up numbers and divide by how many there are
(1+1+5+3+6+6)/7=3 and 2/3
8 0
3 years ago
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