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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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Which of the equations below represents a line parallel to the x-axis?
stiv31 [10]

Answer:

d. y=5

Step-by-step explanation:

The equation of a line parallel to the x-axis will always be in the form y=b, where b is the y-intercept (where on the y-axis the line crosses). So, for y=5, the line crosses the y-axis when y is equal to 5.

The equation of a line parallel to the y-axis will always be in the form x=d, where d is the x-intercept (where on the x-axis the line crosses). So, for option a, x=5, it is a vertical line that crosses the x-axis when x is equal to 5. It is therefore not parallel to the x-axis.

Option b gives an equation that isn't for a linear relation entirely.

Linear equations are typically given in the form y=mx+b, where m is the slope of the line and b is, again, the y-intercept. Option c presents the equation of y=x, and this can be rewritten as y=1x+0. In other words, the slope of the line is 1 and it crosses the y axis when y is equal to 0. Lines that are parallel to the x-axis will always have a slope of 0, so therefore, this line is not parallel to the x-axis.

I hope this helps!

6 0
3 years ago
Miguel babysits for 3 hours and earns $15. Which represents the unit rate?
gogolik [260]

The unit rate is $/Hr.  Since the hours are the unit being considered.


To find the unit rate, divide both sides by three

(Let x = hourly rate)

3x = 15

x = 5


Miguel Makes $5 per Hour


8 0
3 years ago
gordon bought a bag that was a mix of apples and oranges in a ratio of 5:4 there were 27 fruits in all how many fruits were in t
V125BC [204]

Answer:

apples= 15

oranges = 12

Step-by-step explanation:

5+4=9

27/9=3

therefore

apples=3*5=15

oranges=4*3=12

6 0
2 years ago
Which mixed number is equal to 7.6
Natali [406]
A mixed number is a number that has a whole number, and a fraction, so the mixed number that is equal to 7.6 is 7 6/10, simplified it would be 7 3/5
8 0
3 years ago
Read 2 more answers
Please help! I'm having problems with deciding if 2.80 would be 2 or less or 2 or more.
Gekata [30.6K]

2.80 is more than 2, i would round it.

So sorry if this is wrong :(

7 0
3 years ago
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