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2 years ago

5019 x 14 what is the estimated product

Mathematics

2 answers:

levacccp [35]2 years ago

6 0

Answer:

70266 - 8000 that is the answer to the question

elena55 [62]2 years ago

5 0

70,266 I think let me know pls

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Triangle has side length 7, 10 and 12 is it a right triangle explain your reasoning

Vikentia [17]

Answer: No, because 7^2 + 10^2 is > 12^2

Step-by-step explanation: 7^2 +10^2= 49 + 100= 149 149 $\neq$ 144

5 0

2 years ago

An unknown fraction is between 0 and 1. Which is true about the equivalent percent and decimal?

monitta

Answer:

The answer is C.

Step-by-step explanation: The number between 0 and 1. Think of decimals as cents, 100 cents makes a whole. So the number will be greater than 0 but less than 100.

7 0

2 years ago

Read 2 more answers

Ill give you brianliest

WARRIOR [948]

I say step 4 is incorrect.

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2 years ago

Read 2 more answers

Use the discriminant to predict the nature of the solutions to the equation 4x-3x²=10. Then, solve the equation.

AleksandrR [38]

Answer:

Two imaginary solutions:

x₁= $\frac{2}{3} -\frac{1}{3} i\sqrt{26}$

x₂ = $\frac{2}{3} +\frac{1}{3} i\sqrt{26}$

Step-by-step explanation:

When we are given a quadratic equation of the form ax² +bx + c = 0, the discriminant is given by the formula b² - 4ac.

The discriminant gives us information on how the solutions of the equations will be.

If the discriminant is zero, the equation will have only one solution and it will be real
If the discriminant is greater than zero, then the equation will have two solutions and they both will be real.
If the discriminant is less than zero, then the equation will have two imaginary solutions (in the complex numbers)

So now we will work with the equation given: 4x - 3x² = 10

First we will order the terms to make it look like a quadratic equation ax²+bx + c = 0

So:

4x - 3x² = 10

-3x² + 4x - 10 = 0 will be our equation

with this information we have that a = -3 b = 4 c = -10

And we will find the discriminant: $b^{2} -4ac = 4^{2} -4(-3)(-10) = 16-120=-104$

Therefore our discriminant is less than zero and we know that our equation will have two solutions in the complex numbers.

To proceed to solve the equation we will use the general formula

x₁= (-b+√b²-4ac)/2a

so x₁ = $\frac{-4+\sqrt{-104} }{2(-3)} \\\frac{-4+\sqrt{-104} }{-6}\\\frac{-4+2\sqrt{-26} }{-6} \\\frac{-4+2i\sqrt{26} }{-6} \\\frac{2}{3} -\frac{1}{3} i\sqrt{26}$

The second solution x₂ = (-b-√b²-4ac)/2a

so x₂= $\frac{-4-\sqrt{-104} }{2(-3)} \\\frac{-4-\sqrt{-104} }{-6}\\\frac{-4-2\sqrt{-26} }{-6} \\\frac{-4-2i\sqrt{26} }{-6} \\\frac{2}{3} +\frac{1}{3} i\sqrt{26}$

These are our two solutions in the imaginary numbers.

7 0

2 years ago

What is the volume of a sphere with a radius, r = 0.5?

sattari [20]

Answer:

V = 0.52 cm³

Step-by-step explanation:

radius r = 0.5 cm

volume V = 0.523333333 cm³

surface area A = 3.14 cm²

circumference C = 3.14 cm

In Terms of Pi π

volume V = 0.166666667 π cm³

surface area A = 1 π cm2

circumference C = 1 π cm

Agenda: r = radius

V = volume

A = surface area

C = circumference

π = pi = 3.1415926535898

Formulas:

Sphere Formulas in terms of radius r:

Volume of a sphere:

V = (4/3)πr³

Circumference of a sphere:

C = 2πr

Surface area of a sphere:

A = 4πr²

8 0

2 years ago