3 years ago

What is the expression 3 fewer than k

Mathematics

1 answer:

konstantin123 [22]3 years ago

3 0

K-3 is the expression for 3 fewer than K

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Mattie uses the discriminant to determine the number of zeros the quadratic equation 0 = 3x2 – 7x + 4 has. Which best describes

r-ruslan [8.4K]

Answer:

The equation has two zeros because the discriminant is greater than 0.

Step-by-step explanation:

3x^2 – 7x + 4

a=3 b = -7 c=4

The discriminant is

b^2 -4ac

(-7)^2 - 4(3)(4)

49 - 48

Since the discriminant is greater than zero, there are two real solutions

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If Kayla has a red ribbon with length 25 9 m and piece of 5 7 m is cut from it and gave to Sania . Find how much long ribbon left with her?

Kayla has a ribbon of length = 25 9 m.
Part of ribbon give to Sania = 5 7 m.
So, the length of the ribbon left =25 9 m - 5 7 m = 175 63 = 130 63 m
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3 years ago

Spencer bought 5 1/2 pounds of potatoes and 3 3/4 pounds of tomatoes to make stew.

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Answer:

9 1/4 pounds because you add the two fractions together

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Amber got a raise, and her hourly wage increased from $8 to $9.50 what is the percent increase

I am Lyosha [343]

Answer:

The percent increase is <u>18.75%</u>.

Step-by-step explanation:

Given:

Amber got a raise, and her hourly wage increased from $8 to $9.50.

Now, to find percent increase.

Previous wage = $8.

Wage raised = $9.50.

So, to get the increased wage we subtract the previous wage from the wage raised:

$\$9.50-\$8=\$1.50.$

Now, to get the percent increase:

$\frac{1.50}{8} \times 100$

$=\frac{150}{8}$

$=18.75\%.$

Therefore, the percent increase is 18.75%.

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3 years ago

At a delicatessen, you order a sandwich for $3.70, a soft drink for $1.25, and a quarter pound of pasta for $1.48. You pay with

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3.70+1.25+1.48= 6.43.
20-6.43=13.57
You would get $13.57

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3 years ago