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ch4aika [34]
3 years ago
9

Please help me solve this , is for tomorrow​

Mathematics
1 answer:
Valentin [98]3 years ago
7 0

Answer:

-96

Step-by-step explanation:

This is the right answer.

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the lowest temperature ever recorded on earth's surface was −128.5°f. the highest temperature was 262.5°f higher than the lowest
vlabodo [156]

Answer: 134 °f

Step-by-step explanation:

Lowest is -128.5 °f, the highest is 262.5 °f higher than the lowest.

you would simply add 262.5 °f to your -128.5 °f, giving you 134 °f.

another way of doing this is subtracting 128.5 from 262.6

5 0
3 years ago
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Find a quadratic equation with roots -1+4i and -1-4i.
a_sh-v [17]
Hello,

(x-(-1+4i))(x-(-1-4i))=((x+1)-4i)((x+1+4i)
=((x+1)²+16
=x²+2x+17

8 0
3 years ago
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5x²+4x+3=0 solve for x​
juin [17]

Answer:

{ \underline{ \sf{x  \: is  \:  \: \{ \frac{ - 5 + i \sqrt{35} }{10} \} } \:  \: and \:  \:  \{ \frac{ - 5  - i \sqrt{35} }{10}  \}} }

Step-by-step explanation:

5 {x}^{2}  + 4x + 3 = 0

from quadratic formular:

{ \sf{x =  \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a} }}

general equation:

{ax}^{2}  +  bx + c = 0

a is 5, b is 4 and c is 3:

substitute in formular:

{ \sf{x =  \frac{ - 5± \sqrt{ {5}^{2} - (4 \times 5 \times 3) } }{(2 \times 5)} }} \\  \\ { \sf{x =  \frac{ - 5± \sqrt{ - 35} }{10} }}

but from complexes, <em>i</em><em>²</em><em> </em><em>=</em><em> </em><em>-</em><em>1</em>

{ \sf{x =  \frac{ - 5± \sqrt{35 {i}^{2} } }{10} }} \\  \\  = { \sf{x =   \frac{ - 5±i \sqrt{35} }{10} }}

6 0
3 years ago
There are 25 dogs playing in the dog park. You are a "dog" person and wonder which dog will be the first to come up to you when
Amiraneli [1.4K]
Jkeuchshidhdhsudhbdbcushbsbxx
6 0
3 years ago
Identify the value them make the inequality true x &gt;4<br><br> Answers: x=4,x=6,x=10,x= -4
Alika [10]

Answer:

x= -4

Step-by-step explanation:

This is correct because no other options fit.

3 0
2 years ago
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