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Wittaler [7]
4 years ago
11

8' 10" − 4' 11" I need help

Mathematics
1 answer:
Masja [62]4 years ago
4 0

Answer:

3' 11"

Step-by-step explanation:

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Using the quadratic formula to solve 11x2 – 4x = 1, what are the values of x?
sergiy2304 [10]
<h2>Hello!</h2>

The answer is:

x1=0.53\\x2=-0.17

<h2>Why?</h2>

The quadratic formula is:

x=\frac{-b+-\sqrt{b^{2}-4*a*c } }{2*a}

We have that:

a=11\\b=-4\\c=-1

By substituting we have:

x=\frac{4+-\sqrt{-4^{2}-4*11*-1 } }{2*11}=\frac{4+-\sqrt{16+44} }{22}=\frac{4+-\sqrt{60} }{22}=\frac{4+-(7.75)}{22}

x1=\frac{4+7.75}{22}=0.53\\\\x2=\frac{4-7.75}{22} =-0.17

Have a nice day!

7 0
3 years ago
Read 2 more answers
A method to prove statements using properties that justify each step.​
vesna_86 [32]

Answer:

A two column proof is a method to prove statements using properties that justify each step. The properties are called reasons.

Step-by-step explanation:

hope dis helps!

6 0
3 years ago
Y = –3x – 5 ???<br><br> (–11, –2)<br> (–2, –11)<br> (–2, 1)<br> (1, –2)
Butoxors [25]

Answer:

option c (-2,1)

Step-by-step explanation:

hope it helps u

3 0
3 years ago
Which of the following is equal to the expression listed above?
MA_775_DIABLO [31]

Answer:

(14 + 7) + 12 = 14 + (7 + 12)

Step-by-step explanation:

Given

(14 + 7) + 12 --- [Missing in question]

Required

Select equivalent expression

(14 + 7) + 12

Associative property states that:

(a + b) + c = a + (b + c)

In this case:

a = 14

b = 7

c = 12

So, we have:

(a + b) + c = a + (b + c)

(14 + 7) + 12 = 14 + (7 + 12)

B. is correct

4 0
3 years ago
Bret’s uncle owns a square of land that is 10 miles long on each side. is that the same as 10 mi2?
Dafna1 [17]
No it's not the same.

First of all, miles is used for length while mi2 is used for Area.

Second, if the length of each side is 10 miles , the total area would be 10 x 10 = 100 mi2

hope this helps
4 0
3 years ago
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