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2 years ago

The missing probability value for dr Green

Mathematics

1 answer:

max2010maxim [7]2 years ago

4 0

Answer:

<h2>Your answer would be <em><u>0.34</u></em></h2>

Step-by-step explanation:

first we add them altogether:

0.25+0.17+0.21+0.03 = 0.66

than we subtact the 0.66 from the whole (1) =

<u>1-0.66= 0.34</u>

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Consider the first five steps of the derivation of the Quadratic Formula.

lara31 [8.8K]

Answer:

Full proof below

Step-by-step explanation:

$\displaystyle ax^2+bx+c=0\\\\ax^2+bx=-c\\\\x^2+\biggr(\frac{b}{a}\biggr)x=-\frac{c}{a}\\\\x^2+\biggr(\frac{b}{a}\biggr)x+\biggr(\frac{b}{2a}\biggr)^2=-\frac{c}{a}+\biggr(\frac{b}{2a}\biggr)^2\\\\x^2+\biggr(\frac{b}{a}\biggr)x+\frac{b^2}{4a^2}=-\frac{c}{a}+\frac{b^2}{4a^2}\\ \\\biggr(x+\frac{b}{2a}\biggr)^2=-\frac{4ac}{4a^2}+\frac{b^2}{4a^2}\\ \\\biggr(x+\frac{b}{2a}\biggr)^2=\frac{b^2-4ac}{4a^2}\\ \\x+\frac{b}{2a}=\pm\frac{\sqrt{b^2-4ac}}{2a}\\ \\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

6 0

1 year ago

Given m LMN = 145°, what is m XMN?

astra-53 [7]

Answer:

m∠XMN = 80°

Step-by-step explanation:

you know that:

4x + 5 + 6x - 10 = 145

solve for x:

10x - 5 = 145

10x = 150

x = 15

Use this information to solve for m∠XMN

6(15) - 10

90 - 10

m∠XMN = 80°

7 0

2 years ago

Find the quotient: 17 ÷ 3 2/5<br> Find the quotient: 5 1/7 ÷ 3

Greeley [361]

Answer:

1. =5

2. =1 5/7

Step-by-step explanation: Hope this help :D

6 0

2 years ago

A container of oregano is 17 pounds heavier than a container of peppercorns their total weight is 253 pounds the peppercorns wil

34kurt

Alright, we can turn the word problem at the beginning into an equation.
Let's represent oregano with "o" and peppercorns as "p".
o=p+17
Also, we know that the two added together are 253 pounds.
o+p=253
Since we know that o=p+17, let's substitute it into the second equation.
(p+17)+p=253
2p+17=253
-17 -17
2p=236
p=118
So, we have 118 pounds of peppercorns. (Although it's irrelevant to the second half of the equation, we also know we have 135 pounds of oregano)
Now, let's convert pounds to ounces.
1 pound = 16 ounces.
So, multiply 118 by 16....
118*16=1888
So, you can make 1888 one-ounce bags of peppercorns.

8 0

3 years ago

Read 2 more answers

1. For what value(s) of x is the equation below true?<br> 3x over 5=2x over 3

loris [4]

Answer:

Step-by-step explanation:

$\frac{3x}{5} =\frac{2x}{3}$