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Naily [24]
4 years ago
12

4x = 19, when x equals 5. True false or open

Mathematics
2 answers:
svp [43]4 years ago
8 0

Answer:

false

Step-by-step explanation:

if x equals 5 then 4 times 5 would equal 20 not 19

Stella [2.4K]4 years ago
8 0

Answer:

False

Step-by-step explanation:

Because if we subsitute x as 5.

4x = 19

4(5) = 19

20 = 19

4 times 5 equals 20, not 19. Therefore it is false.

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9|4/3x-2| + 7 = 7<br> Please help!
Aleksandr [31]

Answer:

<h3>x = 3/2</h3>

Step-by-step explanation:

Given the expression

9|4/3x-2| + 7 = 7

First note that the value in parenthesis can both be negative and positive;

For the positive value, we have;

9(4/3x-2) + 7 = 7

9(4/3x-2) + 7 - 7 = 7 - 7

9(4/3x-2) = 0

Open the bracket

9(4/3x) - 9(2) = 0

36/3 x - 18 = 0

12x = 18

x = 18/12

x = 3/2

For the negative value;

9(-(4/3x-2)) + 7 = 7

9(-4/3x+2) + 7 - 7 = 7 - 7

9(-4/3x+2) = 0

Open the bracket

9(-4/3x) + 9(2) = 0

-36/3 x + 18 = 0

-12x = -18

x = 18/12

x = 3/2

Hence the value of x is 3/2

3 0
3 years ago
H(x)=|8x+8| Find functions f and g so that f of g = H
Stolb23 [73]

<span>f(x) = x^3 </span>
<span>g(x) = 1+x^2 </span>

<span>Therefore: </span>
<span>H(x) = f[g(x)] = (1+x^2)^3 </span>
5 0
4 years ago
Rammy has $9.60 to spend on some peaches and a gallon of milk. Peaches cost $1.20 per pound, and a gallon of milk cost $3.60.
lesya692 [45]

Answer:

Rammy can buy 5 pounds of peaches

Step-by-step explanation:

1.20(5) + 3.60 = 9.60

subtract the cost of the gallon from the total amount and then divide the leftover cost $6 by $1.20 and you'll get 5.

4 0
3 years ago
A children's ride at an amusement park has a rule that a person must be shorter than 4 feet tall to ride it.
Juliette [100K]

Answer:

Step-by-step explanation:

8 0
3 years ago
Please help me ITS DUE PLEASE
elena-14-01-66 [18.8K]

Answer:

Step-by-step explanation:

its A

4 0
3 years ago
Read 2 more answers
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