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4 years ago

Helpppp Plsssss ASAP!! Thanks

Mathematics

1 answer:

inna [77]4 years ago

7 0

Answer:

5/3 , -1

Step-by-step explanation:

You can find the roots of the equation by factoring. First, write the quadratic into standard form as $ax^2+bx+c = 0$ .

$2x - 3 = -5x^2\\5x^2+2x-3=0$

The equation factors into two binomials (5x-3)(x+1). Set each factor to 0 and solve for x.

5x - 3 = 0

5x = 3

x = 3/5

x+1 = 0

x=-1

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5x5+90<br> I honestly have no idea wth this answer is . Please help meeee

algol13

Hey
Here it is
5 x 5 + 90
= 25 + 90
= 105

6 0

3 years ago

Can someone help me on the steps for this?

Rudiy27

Answer:

x = 13

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Multiplication Property of Equality
Division Property of Equality
Addition Property of Equality
Subtract Property of Equality<u> </u>

<u>Algebra I</u>

Multiple Roots

<u>Trigonometry</u>

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

a is a leg
b is another leg
c is the hypotenuse<u> </u>

Step-by-step explanation:

<u>Step 1: Identify</u>

<em>a</em> = 12

<em>b</em> = 5

<em>c</em> = x

<u>Step 2: Solve for </u><em><u>x</u></em>

Substitute in variables [PT]: 12² + 5² = x²
Evaluate exponents: 144 + 25 = x²
Add: 169 = x²
[Equality] Square root both sides: ±13 = x
Rewrite: x = ±13

Since we are dealing with positive numbers, we can disregard the negative root.

∴ x = 13

3 0

3 years ago

Can someone explain the answer to this problem? Answer: 6 in.

lana [24]

24 cubes, each 8 cubic inches, meaning each 2 inches on a side. So the dimensions must be even to fit cubes exactly. Our box with 9 inches is really only effectively 8 inches because that extra inch doesn't help us fit another cube.

So our total volume:

$24 \times 8 = (8)(4)h$

$h=6$ inches minimum

7 0

3 years ago

A sub sandwich shop offers 22 toppings to choose from. How many ways could a person choose a 4-topping sandwich?

Oksanka [162]

Answer:

C - 7315

Step-by-step explanation:

Using the combination formula.

22! / (4!(22-4)!) = 7315

Combination is like saying I want meat-cheese-lettuce-tomato and this is the same as cheese-meat-tomato-lettuce. (same toppings, different order)

5 0

2 years ago