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elena55 [62]
3 years ago
14

What is the value of x in the equation 8+4 = 2(x-1)? a. 5 b. 11/2 c. 13/2 d. 7

Mathematics
1 answer:
sergiy2304 [10]3 years ago
3 0

Answer:7

Step-by-step explanation:

8+4=12

2(x-1)= 2x-2

12=2x-2

now add 2 to both sides

14=2x

And divide both sides by 2

7=x

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todd plans to swim 18 laps in the pool. Each lap is 50 yards. So far todd has swam 738 yards. What percentage of the total has t
Olegator [25]
50 yards for 1 lap

 50 yards x 18 laps = 900 total yards

now divide the amount he swam by the total amount he wants to swim:

738 / 900 = 0.82 = 82%

Answer is B
7 0
4 years ago
Can anyone help me with this?<br>complete the table of values of <br>f(x) = 3×​
n200080 [17]

Answer:

See sample table below.

Step-by-step explanation:

The function is given as :

f(x) = 3ˣ

A table of values can be formed as ;

x                <u>calculations</u>           f(x)

-4               3⁻⁴                          0.0123

-3               3⁻³                          0.0370

-2               3⁻²                          0.1111

-1                3⁻¹                           0.3333

0                 3⁰                            1.000

1                  3¹                             3.000

2                 3²                             9.000

3                 3³                              27.00

4                 3⁴                              81.00

8 0
3 years ago
Please Help me. What is the answer?
vekshin1

Answer:

-11

Step-by-step explanation:

Triangle ABC

SO,

AB = AC +BC

x + 8 = 2x -5 + (BD + DC)

x + 8 = 2x-5 + 10 +14

x + 8 = 2x + 19

2x - x = -19 + 8

x = -11

5 0
3 years ago
Help again for more points
daser333 [38]

Answer:

F) 1,325.4 in.

:D:D:D:D

4 0
3 years ago
C
pochemuha
The table on the far left

You can tell because every time the x value increases by 1, the y value increases by exactly 1/2 every time
7 0
3 years ago
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