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shtirl [24]
3 years ago
10

When you add the same number to each side of an equation, do you always get an equivalent equation? webasign?

Mathematics
1 answer:
CaHeK987 [17]3 years ago
8 0
Yes   you always do.

eg x - 2 = 8

x - 2 + 2 = 8 + 2

x = 10  
if we plug x = 10 into the original equation we se  that this fits:-

10 - 2 = 8
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antiseptic1488 [7]

Here's link to the answer:

tinyurl.com/wpazsebu

4 0
3 years ago
10.
katen-ka-za [31]

Answer:  C. (25)/(1) dollars per day; the cost is $25 for each day.

$25/ 1 day or $25 a day

Step-by-step explanation:

Answer:

The rate of change is 25. It means the cost increased by $25 per day.

Step-by-step explanation:

The given table is

Time (days)       Cost ($)

      3                   75

      4                  100

      5                  125

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It means the graph of this constant function passing through the points (3,75) and (4,100).

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Therefore the rate of change is 25. It means the cost increased by $25 per day.

5 0
3 years ago
Find the area of the shaded region.
tensa zangetsu [6.8K]

Answer:

18 ft^2

Step-by-step explanation:

You could calculate the area of the trapezoid and then subtract the area of the triangle.

Area of a trapezoid:

 A = \frac{a+b}{2}h

Plug values in:

A = \frac{6+12}{2}(6)

Add 6 and 12:

A = \frac{18}{2}(6)

Simplify:

A = 54

Area of a triangle:

A = \frac{1}{2}bh

Plug values in:

A = \frac{1}{2}(6)(12)

Simplify:

A = 36

Subtract the area of the triangle from the area of the trapezoid

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You could also calculate the area of the shaded region by assuming that they're congruent meaning the base would be half of 6 which is 3 and the height would be 6 so the area of one would be 1/2 (6)(3) but since they're is 2 you wouldn't need the 1/2 since multiplying by 2 would cancel it out so the area would be (6)(3) = 18

4 0
2 years ago
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Need help combining like terms with equations<br><br>-2(×+11) = -18
JulsSmile [24]

-2(x+11)=-18

-2x-22=-18

-2x/-2   4/-2

x=2

pretty sure

3 0
3 years ago
HELP ASAP, really really need help for these
Sidana [21]

Answer:

9 plus 11 plus 12 =

Step-by-step explanation:

x is 22

7 0
3 years ago
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