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2 years ago

Find the distance between point A and B. Round your answer to the nearest tenth when necessary

Mathematics

1 answer:

stepladder [879]2 years ago

7 0

Answer:

8.9

Step-by-step explanation:

(- 3, 8) and (5,4)

Sqrt[(5 - - 3)^2 + (4-8)^2]

Sqrt [(8)^2 + (- 4)^2]

Sqrt 80

= 8.9

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= 2. Given the quadratic equation 3x2 – 8x + k = 0 has no real roots. Find the range of values of k.

VashaNatasha [74]

$\text{If there are no real roots, then}\\\\~~~~~\text{Discriminant} < 0\\\\\implies b^2 -4ac < 0\\\\\implies (-8)^2 -4 \cdot 3 k < 0\\\\\implies 64-12k < 0\\\\\ \implies 12k > 64\\\\\implies k > \dfrac{64}{12}\\\\\implies k > \dfrac{16}3\\\\\text{Interval,}~ \left( \dfrac{16}3, ~\infty\right)$

6 0

2 years ago

What is the product of 7/8×1/2

Gelneren [198K]

$\frac{7}{8} \times \frac{1}{2}$

$= \frac{7 \times 4}{8}$

$= \frac{28}{8}$

$= \frac{ \cancel{28}}{ \cancel{8}}$

$= \frac{14}{4}$

$= \frac{ \cancel{14}}{ \cancel{4}} = \frac{7}{2}$

<h2>The required answer is 7/2 </h2>

3 0

3 years ago

The ones that are blank...

alex41 [277]

You put number nine in the form of y=kx

6 0

3 years ago

the average of two numbers is 34 the first number is three times the second number what are the two numbers

tino4ka555 [31]

Hi there!

To solve this problem, we need to set up two equations and use the system of equations to solve.

Let x be the first number.
Let y be the second number.

(x + y) ÷ 2 = 34
x = 3y

Now, we can use substitution to solve.

(3y + y) ÷ 2 = 34
4y ÷ 2 = 34
2y = 34
y = 17

Now, we plug the value of y in the equation to solve for x.

x = 3*17
x = 51

Hope this helps!

7 0

3 years ago

Suppose there are two individuals, Casey and Rick, who live in a very simplified world where only two goods are produced and con

TiliK225 [7]

The answer you should get is 150

7 0

3 years ago