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MrRissso [65]
3 years ago
13

-5(n²+9)=7. Find n.

Mathematics
1 answer:
mestny [16]3 years ago
7 0

Answer:

Step-by-step explanation:

-5n^2-45=7--->-5n^2=52--->n^2=52÷(-5)= there is no answer for this question...I mean Paired power never has a negative answer.

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Given the equation y=23x,whats the value of x if y=100
Damm [24]

Answer: 4.3478 or 100/23

Step-by-step explanation:

Set the y values equal to each other since they are the same unknown (x). You end up with 100=23x, solve for x. Move the 23 over to the other side by using division. x=100/23. If you need it in decimal form, 100÷23=4.347826087

5 0
3 years ago
Read 2 more answers
A dinner for two at the local seafood restaurant cost
Vlad [161]

Answer:

63.38

Step-by-step explanation:

(49.90)(20%)(6%)

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49.90+9.98 =59.80

(59.80)(6%)

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8 0
2 years ago
Complete the table with values for x or y that make this equation true: 3x+y=15
Ipatiy [6.2K]

Answer:

x=5

y=0

or

x=1

y=12

Step-by-step explanation:

I guess you can make it up as long as it equals 15, I guess that's what the question is saying??

7 0
2 years ago
What's the number in the green box​
marishachu [46]

Answer:

Kinda confusing but, I think it is

a=7

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c=19

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Step-by-step explanation:

5 0
3 years ago
The sum of four consecutive integers is 174 write and solve an equation that can be used to determine the smallest of the four i
Elan Coil [88]

Answer:

B

Step-by-step explanation:

Let's say that the smallest is called "a"

We can re-write the question like this:

a+(a+1)+(a+2)+(a+3) = 174

4a+6=174

4a=168

a=42

6 0
3 years ago
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