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3 years ago

A quadratic equation of the form 0=ax2+bx+c has a discriminate value of 0 how many real number solutions does the equation have

Mathematics

2 answers:

Dmitry [639]3 years ago

6 0

Answer:

It has only one zero

Step-by-step explanation:

$ax^2+bx+c=0$ discriminant is given by D = $b^2 -4ac$

if D is zero then both the zeros are equal or we say that equation has

only one zero

HACTEHA [7]3 years ago

3 0

Hi! It only has one solution.

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Does the graph represent a function? Khan Academy

Ierofanga [76]

Answer:

yes

Step-by-step explanation:

try using a vertical line, if you move the vertical line across the graph and the line touches the graph only at one point, than it means it is a function

7 0

3 years ago

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7% of what lenght is 200 ft?

Nastasia [14]

If you would like to solve 7% of what length is 200 ft, you can calculate this using the following steps:

7% of what length is 200 ft
7% * x = 200
7/100 * x = 200 /*100/7
x = 200 * 100 / 7
x = 2857 ft

Result: 7% of 2857 ft is 200 ft.

5 0

3 years ago

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Priya's cat weighs 5 1/2 pounds and her dog weighs 8 1/4 pounds.

Lilit [14]

Answer: The cat is 2/3 times as heavy as the dog.

Step-by-step explanation:

The weight of Priya's cat = $5\frac{1}{2}\ pounds$

Now, $5\frac{1}{2}=\frac{11}{2}\ pounds$

The weight of her dog = $8\frac{1}{4}\ pounds$

$8\frac{1}{4}=\frac{33}{4}\ pounds$

Let cat is n times heavy as dog.

Then $n=\text{cat's weight}\div\text{dog's weight}$

$n=\frac{{11}{2}\div\frac{33}{4}\\\Rightarrow\ n=\frac{11}{2}\times\frac{4}{33}\\\Rightarrow\ n=\frac{2}{3}$

Hence, The cat is 2/3 times as heavy as the dog.

5 0

3 years ago

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Plz help with number 14

k0ka [10]

Answer: a = 3

Step-by-step explanation: since M is in between the two points you can look at the x and y coordinates respectively and find the difference between the the given points and then add it to the midpoint

8 0

3 years ago

jasenka [17]

Answer:

3.6 mph

Step-by-step explanation:

The total distance was 6 mi. and the total time was 5/3 hr.

6 ÷ 5/3 = 6(3/5) = 18/5 = 3.6 mph

6 0

3 years ago