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laila [671]
3 years ago
10

What is the difference between -3^4 and (-3)^4​

Mathematics
1 answer:
ruslelena [56]3 years ago
5 0
<h3>There's no difference.</h3>

Ppl use () so they can see the difference between negative values and minus. But if you are talking about values like

2x-3⁴ and (2x - 3)⁴ this one different

2x-3⁴ = only -3 get the power of 4

(2x - 3)⁴ = 2x and -3 get the power of 4

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I suck at story problems can I please have help?
Mamont248 [21]

a.

b=cost per burrioto

t=cost per taco


b.

3 burritos and 4 tacos costs 11.33; 3b+4t=11.33

9 burritos and 4 tacos costs 22.07; 9b+4t=22.07


c. solve

3b+4t=11.33

9b+4t=22.07

mulitply irst equation by -1 and add to 2nd to cancel t's


-3b-4t=-11.33

<u>9b+4t=22.07 +</u>

6b+0t=10.74


6b=10.74

divide both sides by 6

b=1.79

subsitute back


3b+4t=11.33

3(1.79)+4t=11.33

5.37+4t=11.33

4t=5.96

divide both sides by 4

t=1.49


solution: 1 taco costs $1.49 and 1 burrito costs $1.79

6 0
4 years ago
For a sale, a store decreases its prices on all items by 25%. An item that costs $120 before the sale now costs $120 - 0,25($120
Alexxandr [17]

Answer:

Cost = \$120 * 1 - \$120 * 0.25

Step-by-step explanation:

Given

Cost = \$120 - 0.25(\$120)

Required

Solve using distributive property

Cost = \$120 - 0.25(\$120)

\$120 can be rewritten as 1(\$120)

So:

Cost = 1(\$120) - 0.25(\$120)

Factorize:

Cost = \$120(1 - 0.25)

Now, we can apply distributive property on the expression;

Cost = \$120 * 1 - \$120 * 0.25

Hence, the above is an equivalent expression.

Solving further, we have

Cost = \$120 - \$30

Cost = \$90

3 0
3 years ago
Someone please please help. I have to submit this is about 15 minutes​
Angelina_Jolie [31]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
The range of which function includes -4?<br> y= Vx-5<br> Y=Vx+5<br> Y= NX + 5<br> Y= NX+5
iren [92.7K]

<em>option \: a \: is \: the \: right \: answer \\ y =  \sqrt{x}  - 5 \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment</em>

8 0
3 years ago
Read 2 more answers
Exactly 1/20 of the students in mr.perez's class has a bird. what percentage of his students has a bird.
zimovet [89]
1/20 is equal to 5/100, meaning 5% have a bird
4 0
4 years ago
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