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FinnZ [79.3K]
2 years ago
15

#1 need help asap plzzzzzzzzzzzz

Mathematics
1 answer:
SpyIntel [72]2 years ago
6 0

Answer:

n+4

Step-by-step explanation:

A number would be represented as n

"plus 4" is addition so that would be n+4

fewer and less have the same meaning so that would be a less than sign

so that's how you get n+4

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-7r2 + 7r + 2 = 2<br> Find Discriminant
victus00 [196]

Answer:

r = 1 , 0

Step-by-step explanation:

-7r^{2} + 7r + 2 = 2

-7r(r-1)=2-2

-7r(r-1)=0

r-1=0

r=1

5 0
3 years ago
Read 2 more answers
Is what i did correct?
yaroslaw [1]
No, you should have reduced each base to...
3^(3*2x) = 3^(2*(x-3))
and then you can cancel each base
3*2x = 2*(x-3)
6x = 2x-6
4x= -6
x = -3/2
7 0
3 years ago
Read 2 more answers
The amount of bacteria in a fish tank was 830. After 5 hours, the amount of bacteria is 3202.
alina1380 [7]

Answer: 37.92

Step-by-step explanation: We know that 3202 / 5 = 640.4.

We subtract that by 830 to get (830 - 640.4  =) 189.6. Then we do / by five again to get 37.92. That is the answer.

3 0
2 years ago
Which rule explains why these triangles aren't congruent? see picture below.
Lisa [10]

Answer:

SSS

Step-by-step explanation:

Well, the picture says asks why the triangles are congruent but your question asks why they aren't congruent, so I will just assume that you made a typo, and you really meant: "Which rule explains why these triangles are congruent?"

Well, the triangles have two congruent sides, and they have a common shared side that are both congruent (due to reflexive property), so the triangle theorem SSS (Side-Side-Side) proves that the triangles are both congruent.

7 0
3 years ago
The sum of 5 times a number and 2 is the same as the number minus 2​
Genrish500 [490]
The number is -1.
5x+2 = x-2
X=-1
7 0
2 years ago
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