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Vikki [24]
3 years ago
10

I need help solving these problems

Mathematics
1 answer:
dexar [7]3 years ago
6 0
Number 3: x+x+100= 180 x=40
number 4: x+x+112=180 x= 34
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I Need HELP!<br><br>how do you figure out 22/7=5/X
Oksana_A [137]
\frac{22 }{7}= \frac{5}{x} \\ \\ x\neq 0 \\ \\ 22x=7*5\\ \\22x=35 \ \ /:22 \\ \\x=\frac{35}{22}\\ \\x=1\frac{23}{25}
5 0
3 years ago
PLEASE HELP! SEE THE IMAGES BELOW! 30 POINTS
Mkey [24]

Answer:

d for the first and c for the second

Step-by-step explanation:

1. both are solid lines so it is or equal to something. the first line is going down by -3 and crosses the y axis at -3 so it is _>_ - 3x-3

the second line is going down at -1/2 and crosses the y axis at 2 so it is       _<_ -1/2x+2


2. The point where the two lines cross is at (2.5, -6.5)

6 0
3 years ago
What polynomial must be added to 3x2 + 4x + 7 to obtain the sum of 0?
Dovator [93]

Answer:

do (3x2+4x+7)+y=0

y=-3x^2-4x-7

5 0
2 years ago
Evaluate the expression. 10!
Mrac [35]

Answer:

3628800

Step-by-step explanation:

10*9*8*7*6*4*3*2*1=3628800

6 0
2 years ago
A grocer buys x kg of potatoes at Birr 1.50 per kg and y kg of onions at Birr 2.25 per kg.How much money does he pay in Birr?
inysia [295]

Answer:

a is the answer

Step-by-step explanation: i k n o w

4 0
2 years ago
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