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Julli [10]
3 years ago
11

Use the discriminant to determine the number of solutions and types of solutions for the quadratic equation, below. Show your wo

rk when calculating the discriminant for full credit. Then answer all four questions in the box. (6 points)
a^2-5a=6
Mathematics
1 answer:
maria [59]3 years ago
7 0

Answer:

6

Step-by-step explanation:

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5y=85 in simplest form
goblinko [34]
Hi there!

Great question! :D

We'll start by dividing both sides by 5.

It looks something like this:

\frac{5y}{5} =  \frac{85}{5}

x = 17

<span>So, y = 17
</span>
When in doubt of the answer, we substitute the variable for the 17 we got.

How?

Since a variable next to a number means to multiply, we'll set up our problem as a multiplication one.

5 × 17 = 85

This is a TRUE statement.

Hope this helps! :D
6 0
3 years ago
Read 2 more answers
Here is an addition sentence.
dexar [7]
B because in commutative property of addition the numbers switch but they do not change the sign nor the numbers. hope this helped
5 0
3 years ago
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Elenor and Max used two rectangular wooden boards to make a set for the school play. One board was 6 feet long, and the other wa
Tanzania [10]

Answer:

The width is 5.25 feets

Step-by-step explanation:

The dimensions of the two rectangular wooden boards that Elenor and Max used to make a set for the school play are shown in the attached photo. The widths of the two boards are equal. The lengths are 6 feets and 51/2 feets

Area of each rectangular length, L × Width, W

Area of the longer rectangular board

= 6x W = 6W feet^2

Area of the shorter rectangular board

= 11/2 x W = 11W/2 feet^2

The area of the set is 60-3/8 square feet. This is equal to 483/8 feet^2.

Therefore,

483/8 = 6W + 11W/2 = 23W/2

8 × 23W = 483 × 2

184W = 966

W = 966/184 = 5.25 feets

3 0
3 years ago
X + y = k
liraira [26]
Hello,
Adding the 2 equations,
x+y+x-y=k+k ==>2x=2k==>x=k
if x=k, y=k-k=0
solution is (k,0)

7 0
3 years ago
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Geena is meeting her brother at a cafe on Bradford Rd and Blanco Rd. She is currently on the corner of Lafayette Ave. And Blanco
ss7ja [257]

Answer:

Step-by-step explanation:

8 0
3 years ago
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