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jeka94
3 years ago
6

If y=6 what is 4Y-5?

Mathematics
2 answers:
sp2606 [1]3 years ago
6 0

If y=6, substitute the y for 6, so the equation becomes “(4x6)-5”.

4x6=24.

24-5=19

Answer: 19

dybincka [34]3 years ago
3 0

Answer:

41 if I'm reading the question right.

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Use the substitution method <br> Y=-2x+11 y=-3x+21
gogolik [260]

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Y = 2 y /3 − 3


x = − y /3 + 7


Hope this helped!

6 0
3 years ago
Write three ordered pairs for direct variation relationship where y= 12 when x= 16
Kruka [31]

Ordered pairs that work for this direct variation are (4, 3), (8, 6) and (12, 9).

In order to find these, we must first find the value of the direct variation coefficient. We can do that using the base equation y = kx and then by plugging in to find k.

y = kx

12 = k(16)

3/4 = k

Now that we have k, we can model the equation as y = 3/4x. We can also find any number of ordered pairs by using the x value and finding the y value. All of the above answers work.

3 0
3 years ago
Find the length of segment GH.<br> 21<br> 12<br> F
jek_recluse [69]

Answer:

GH = 9

Step-by-step explanation:

FH=FG+GH

21= 12+GH

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I hope I helped you^_^

6 0
3 years ago
The table below shows the cost per pound of different vegetables. Prices of Vegetables Vegetable Cost (per pound) Potatoes $3.89
Simora [160]

Answer:

$10

Step-by-step explanation:

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8 0
3 years ago
A survey of an urban university (population of 25,450) showed that 870 of 1,100 students sampled supported a fee increase to fun
Katen [24]

Answer:

95% confidence interval for the proportion of students supporting the fee increase is [0.767, 0.815]. Option C

Step-by-step explanation:

The confidence interval for a proportion is given as [p +/- margin of error (E)]

p is sample proportion = 870/1,100 = 0.791

n is sample size = 1,100

confidence level (C) = 95% = 0.95

significance level = 1 - C = 1 - 0.95 = 0.05 = 5%

critical value (z) at 5% significance level is 1.96.

E = z × sqrt[p(1-p) ÷ n] = 1.96 × sqrt[0.791(1-0.791) ÷ 1,100] = 1.96 × 0.0123 = 0.024

Lower limit of proportion = p - E = 0.791 - 0.024 = 0.767

Upper limit of proportion = p + E = 0.791 + 0.024 = 0.815

95% confidence interval for the proportion of students supporting the fee increase is between a lower limit of 0.767 and an upper limit of 0.815.

5 0
3 years ago
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