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Aliun [14]
3 years ago
9

Identify the point that would lie on the line y=2x−7 .

Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0
2x-7 i think not 100% shure

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Reid and Maria both play soccer. This season Reid scores 4 less than twice the number of goals that Maria scored the difference
valentina_108 [34]

Answer: Reid scored 1 and Maria scored 5.

Step-by-step explanation:

5 x 2 = 10

10-4= 6

5 + 1 = 6

4 0
3 years ago
Describe the nature of the roots for this equation
vitfil [10]

First, fint the roots of the equation 2x^2+5x-7=0.

1.

D=5^2-4\cdot 2\cdot (-7)=25+56=81,\\\sqrt{D}=\sqrt{81}=9,\\ \\x_1=\dfrac{-5-9}{2\cdot 2}=-\dfrac{14}{4}=-3.5,\\ \\x_2=\dfrac{-5+9}{2\cdot 2}=\dfrac{4}{4}=1.

2. You can see that this equation has two different real roots. Note that you can make this statement without finding roots, only knowing the value of discriminant: since D=81>0, then the equation has two different real roots.

5 0
3 years ago
james had $400 in his bank account after paying bills for 4 months his balance is now $160. what is his rate of change in dollar
aleksley [76]

Answer:

60

Step-by-step explanation:

400-160=240

240/4=60

6 0
2 years ago
Which property is shown in the following statement?
dusya [7]

Answer:

Step-by-step explanation:

Identity property of multiplication:  Any number times 1 (unity) is the number itself.  7 times 1 is 7, the number with which we started.

7 0
3 years ago
What is the solution to the inequality |2n+5|>1?
Yuliya22 [10]
ANSWER

n <  - 3 \: or \: n>  - 2



EXPLANATION



The given inequality is,

|2n + 5|  \:  >  \: 1


By the definition of absolute value,



- (2n + 5)  \:  >  \: 1 \: or \: (2n + 5) \:  >  \: 1



We divide through by negative 1, in the first part of the inequality and reverse the sign to get,

2n + 5 \:   <   \:  - 1 \: or \: (2n + 5) \:  >  \: 1

We simplify now to get,

2n   \:   <   \:  - 1 - 5 \: or \: 2n  \:  >  \: 1 - 5


2n   \:   <   \:  - 6 \: or \: 2n  \:  >  \:  - 4


Divide through by 2 to obtain,

n   \:   <   \:  - 3 \: or \: n  \:  >  \:  - 2


4 0
3 years ago
Read 2 more answers
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