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3 years ago

Which answer do I pick .

Mathematics

1 answer:

Blababa [14]3 years ago

7 0

The answer to this question is 8

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The length of a cell phone is 1.61.6 inches and the width is 4.64.6 inches. The company making the cell phone wants to make a ne

Mashcka [7]

Answer: 4.25 inches

DO NOT DEPEND ON MY ANSWER

4 0

2 years ago

Please help me on this one

lyudmila [28]

Answer:

Its 120.

Step-by-step explanation:

40 percent of 300 equals 120.

4 0

2 years ago

Angle 1 and 2 are supplementary. Angle 1=3x° angle 2=(2x. -25)° select from the drop down menu

goldfiish [28.3K]

Answer:

x = 41°

∠1 = 123°

∠2 = 57°

Step-by-step explanation:

If angles 1 & 2 are supplementary, that means...

$\angle1 +\angle2=180\textdegree$

To find the value of each angle, you first must find the value of x by plugging in the values of both angles...

$\angle1 +\angle2=180\textdegree\Longrightarrow3x+(2x - 25) = 180\textdegree$

First, combine like values, then subtract add 25 to both sides.

$3x + 2x = 5x\Longrightarrow 5x - 25+ (25) = 180 + (25)\\\\5x=205$

Then, divide both sides by 5, and plug the value of x into the original equations for angles 1 & 2.

$\frac{5x = 205}{5}\\\\x = 41\textdegree\\\\\angle1= 3x = 3(41) = 123\textdegree\\\\\angle2=2x-25=2(41)-25=82-25=57\textdegree$

8 0

3 years ago

Consider two people where one person is 25% taller than the other but proportioned in exactly the same way. (That is, the tall

egoroff_w [7]

Answer:

46.25

Step-by-step explanation:

If they are proportioned exactly the same, then everything on the taller person is 25% larger

37*1.25 (for them being 125% the size of the smaller person)

46.25

4 0

3 years ago

Find the exact solutions of x2 − 3x − 5 = 0 using the quadratic formula. Show all work! 75 points please help!!!!!

noname [10]

Answer:

$x=\dfrac{3+ \sqrt{29}}{2}, \quad \dfrac{3- \sqrt{29}}{2}$

Step-by-step explanation:

Quadratic Formula

$x=\dfrac{-b \pm \sqrt{b^2-4ac}}{2a}\quad\textsf{when }\:ax^2+bx+c=0$

Given quadratic equation:

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

Define the variables:

$\implies a=1, \quad b=-3, \quad c=-5$

Substitute the defined variables into the quadratic formula and solve for x:

$\implies x=\dfrac{-(-3) \pm \sqrt{(-3)^2-4(1)(-5)}}{2(1)}$

$\implies x=\dfrac{3 \pm \sqrt{9+20}}{2}$

$\implies x=\dfrac{3 \pm \sqrt{29}}{2}$

Therefore, the exact solutions to the given quadratic equation are:

$x=\dfrac{3+ \sqrt{29}}{2}, \quad \dfrac{3- \sqrt{29}}{2}$

Learn more about the quadratic formula here:

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8 0

2 years ago

Read 2 more answers