3 years ago

Help please it’s important-

Mathematics

1 answer:

forsale [732]3 years ago

5 0

It equals 256 fluid ounces

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I want to how they answer this question. What is the value of x?

mestny [16]

√(15+x) = 2x+3
take sqr for both side

15x+10=(2x+3)^2

15x+10=4x^2+9+2*2x*3
15x+10=4x^2+9+12x
4x^2-3x--1=0

solve it u will x=1,-1/4

4 0

3 years ago

Multiply (2x-5)(3x^2-4x+2)

fgiga [73]

Answer:

$\large\boxed{(2x-5)(3x^2-4x+2)=6x^3-23x^2+24x-10}$

Step-by-step explanation:

$\text{Use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\(2x-5)(3x^2-4x+2)\\\\=(2x)(3x^2)+(2x)(-4x)+(2x)(2)+(-5)(3x^2)+(-5)(-4x)+(-5)(2)\\\\=6x^3-8x^2+4x-15x^2+20x-10\\\\\text{combine like terms}\\\\=6x^3+(-8x^2-15x^2)+(4x+20x)-10\\\\=6x^3-23x^2+24x-10$

7 0

3 years ago

Solve for the missing side length, rounded to the nearest tenth.

zaharov [31]

Answer: 5.2 mm 7 mm About mm

Step-by-step explanation: There are several ways to determine the missing information in a right triangle. Once you know all the side lengths, you can compute all of the trigonometric functions. Solving the equation and rounding to the nearest tenth gives you .

6 0

4 years ago

Increase £854 by 89% Give your answer rounded to 2 DP.

kolezko [41]

Step-by-step explanation:

<u>Step 1: Find the answer</u>

$854 * (1 + 0.89) = x$