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nlexa [21]
3 years ago
15

Whoever can answer all these get brainliest please! this is due today!!

Mathematics
1 answer:
OLEGan [10]3 years ago
3 0
#1 is -32
#2 is -11
#3 is -5
#4 is 6
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How do i solve this quadratic equation x²+6x+c
Anuta_ua [19.1K]

recall in a perfect square trinomial, the middle term is the tale-tell guy, we know the middle term is the product of 2 and the two other guys without the exponent, so in this case 6x = 2*√x² * √c.


\bf 6x=2\cdot \sqrt{x^2}\cdot \sqrt{c}\implies 6x=2\sqrt{x^2c}\implies 6x=2x\sqrt{c}\\\\\\\cfrac{6x}{2x}=\sqrt{c}\implies 3=\sqrt{c}\implies 3^2=c\implies 9=c

6 0
3 years ago
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DaniilM [7]
Um answer f I don’t know math I’m really bad at it
7 0
2 years ago
To solve -3 = -19 + d/5, what steps would you use?
Pachacha [2.7K]

To solve the expression, the steps are add 19 and multiply by 5

<h3>How to solve the expression</h3>

Given the equation;

-3 = -19 + d/5

First,

Collect like terms

-3+ 19 = d/5

Add the values on the left side

We have

16 = d/5

Cross multiply

16 × 5 = d

We then have

d = 80

Thus, to solve the expression, the steps are add 19 and multiply by 5

Learn  more about algebraic expressions here:

brainly.com/question/4344214

#SPJ1

8 0
1 year ago
Please help! Show all work.
Morgarella [4.7K]

First, let's work with the denominator alone:

           4⁻⁴ =  1 / 4⁴  =  1/256 .

The original problem is the reciprocal of that  =  256.
8 0
3 years ago
for a class trip a teacher bought 25 student tickets and 5 adult tickets.write an expression for the total cost
I am Lyosha [343]

T=25S+5A

this is the answer

4 0
3 years ago
Read 2 more answers
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