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dem82 [27]
2 years ago
13

Need help for this equation

Mathematics
2 answers:
Afina-wow [57]2 years ago
8 0

Answer:

if you solve the equation it is 8 but the equation is 5-(-3) or 5+3 because two negatives equal a plus

VikaD [51]2 years ago
7 0

Answer:

8

Step-by-step explanation:

The -3 is just substituting for the x. So if x=-3 you plug in -3 for x in the formula.

So when you plug it in you will have 5- -3. The two negative signs will make a positive. So you will have 5+3 and 5+3=8.

So f(-3)=8

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PLEASE HELP ME I NEED THIS DONE TODAY PLEASE HELP I KNOW NO ONE WILL BUT IT'S 7TH GRADE MATH PLEASE HELP
Andrei [34K]

Answer:

Overall answer: 10 1/9 - 1 5/18x (Most simplified answer)

Step-by-step explanation:

First you have to do all the Distributive property which the answer would be:

2 1/2 - 1/2x + 3 1/9 + 8/9x + 1/6x - 5/18x + 2 14/18 + 1 13/18

Then you have to find the common demoninator which would be 18

After that you have to put them in the correct order since there is two different terms which would be:

2 9/18 + 3 2/18 + 2 14/18 + 1 13/18 - 9/18x + 16/18x + 3/18x - 5/18x

After that you solve the problem which in the end after solving both terms it ends up as..:

10 2/18 - 1 5/18x

and I think that is as simplified as you can go term wise.

I hope this helps and I hope I didn't make a mistake :D

6 0
3 years ago
Marla makes purses and sells them to Bangels ‘n’ Beads for $7 each. Bangles ‘n’ Beads makes a profit of 28% on each purse. What
Gala2k [10]
$7 represents 100%
? Represents 28%

Those are in proportion so we can cross multiply to find the missing part

?=28•7/100= 196/100= 1.96 is the profit

7+1.96= $8.96 is the retail price
3 0
3 years ago
Read 2 more answers
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lbvjy [14]
Idk idk idk idk idk idk idk idk idk idk
3 0
3 years ago
What are possible values for a and b in the equation 4^a/4^b=4^-1
vlabodo [156]

Answer:  11

Step-by-step explanation:The given expression is:

=

=

=

Substituting the value of b=-2 in above expression, we get

=

=

=

Thus, the value of the given expression is -11.

7 0
3 years ago
A student is training for the swim team during July and August one summer. She swims one hour every day, while averaging 800 met
Alex787 [66]

Step-by-step explanation:

Please find the attachment.

Let x be the number of hours the student swims per day.

We have been that a student swims one hour every day, so in 2 months the student will swim 60 hours.

We are also told that the student swims 800 meters each day. This means that slope of the graph that represents the total meters swam during the time of her training program will be 800.          

So in 60 days the student will swim 60\times 800=48,000\text{ meters}.

We can see from our attached graph that at x equals 60 our y is approximately 48.

Since y-axis represents the number of meters in thousands, so 48 stands for 48,000.

Therefore, attached graph is the right choice.

3 0
3 years ago
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