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Alecsey [184]
3 years ago
15

Write an algebraic expression to represent the new x-coordinate after a reflection across the x-axis given any initial x-coordin

ate, x.

Mathematics
1 answer:
vitfil [10]3 years ago
4 0

Answer:

x=x'

Step-by-step explanation:

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Please help with both questions ​
tresset_1 [31]
Value of n is greater than (-2) and less than or equal to 3.
n = {-1,0,1,2 3}

3x +5 > 16
Subtract 5 from both sides
3x > 16 - 5
3x > 11
x > 11/3
x> 3.67

X= 4 is the smallest value
4 0
2 years ago
Read 2 more answers
A family has two cars during one particular week the first car consume 25 gallons of gas and the second consumed 15 gallons of g
d1i1m1o1n [39]

Answer: the efficiency of the first car is 25 miles per gallon.

the efficiency of the second car is 30 miles per gallon.

Step-by-step explanation:

Let x represent the efficiency of the first car.

Let y represent the efficiency of the second car.

Distance = car efficiency × number of gallons.

The first car consume 25 gallons of gas and the second consumed 15 gallons of gas. The two cars Drove a combined total of 1075 miles. It means that

25x + 15y = 1075- - - - - - - - - - -1

The sum of the fuel efficiencies was 55 miles per gallon. It means that

x + y = 55

Substituting x = 55 - y into equation 1, it becomes

25(55 - y) + 15y = 1075

1375 - 25y + 15y = 1075

- 25y + 15y = 1075 - 1375

- 10y = - 300

y = - 300/-10

y = 30

x = 55 - y = 55 - 30

x = 25

4 0
3 years ago
!!!! I'LL GIVE BRAINLIEST !!!! PLS HELP THIS IS A TEST
kirza4 [7]

Answer:

yes,this is congruent by SAS criteria

8 0
3 years ago
Draw to explain how you would make a ten to find 5+8.
erica [24]
Since 2+8 =10 you would just have 3 left to add so it would be 10+3=13
4 0
3 years ago
(6.0x10^5)x(3.0x10^4)=? <br><br> 18x10^20 <br> 18x10^9 <br> 1.8x10^20 <br> 1.8x10^10
Leto [7]
(6.0 x 10^5) x (3.0 x 10^4) = (6 x 3) x 10^(5 + 4) = 18 x 10^9 = 1.8 x 10^10
7 0
3 years ago
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