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Naily [24]
3 years ago
12

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

Mathematics
2 answers:
svp [43]3 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]3 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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Evaluate the exponent expression 3x–4 ⋅ xy2 for x = –1 and y = 2.
ddd [48]

Answer:

48

Step-by-step explanation:

Given,

x = - 1

y = 2

To find : The value of 3x - 4 ⋅ xy² ?

Substitute the given values of x and y in the expression 3x - 4 ⋅ xy².

3x - 4 ⋅ xy²

= 3 ( - 1 ) - 4 ⋅ ( - 1 ) ( 2 )²

= - 3 - 4 ⋅ - 1 ( 4 )

= - 12 ⋅ - 4

= 48

Note : -

When a negative number gets multiplied with a negative, the resulted number is a positive number.

8 0
2 years ago
Suppose a and b are independent events if p(a/b)=.25 and p(b)=.6 what is P(AnB)?
Talja [164]

Answer:

0.15

Step-by-step explanation:

<u>Independent Probabilities Formula</u>

P(A | B) = P(A) = P(A ∩ B) ÷ P(B)

P(A | B) = 0.25

P(A) = 0.25

P(B) = 0.6

If P(A) = P(A ∩ B) ÷ P(B)

P(A ∩ B) = P(A) × P(B)

P(A ∩ B) = 0.25 × 0.6

P(A ∩ B) = 0.15

4 0
3 years ago
Simplify.<br><br><br><br>4−8÷2+3<br><br><br>help lol​
Musya8 [376]

Answer:

we start with -8 divided by 2 because of PEMDAS

we now have -4

then we do 4-4+3=3

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the equation of the line, where P is a point on the graph of the line. m=2/3 , P(3,5)
jeka57 [31]

Answer:

y = 2/3x + 3

Step-by-step explanation:

y - 5 = 2/3(x - 3)

y - 5 = 2/3x - 2

y = 2/3x - 2 + 5

y = 2/3x + 3

3 0
3 years ago
The baby lions at the zoo are growing. For the first 4 months, they eat 10 ounces of food per day. Every month after that, the a
denpristay [2]

Answer:

48.3

Step-by-step explanation:

6 0
2 years ago
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