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Maurinko [17]
3 years ago
13

What are the terms of this expression? 2x + 3y - 4x + 3

Mathematics
1 answer:
natima [27]3 years ago
8 0
-2x+3y+3. Just add the similar terms
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An online store sells two types of speaker docks for smartphones. The higher-priced speaker dock sells for $170 and the lower-pr
Alenkinab [10]

The lower-priced speaker docks and higher-priced speaker docks is 9 and 36 respectively.

<h3>Algebra</h3>

  • Cost of higher-priced speaker = $170
  • Cost of lower-priced speaker = $80
  • Number of lower-priced speaker = 4x
  • Number of higher-priced speaker = x

Higher-priced speaker = 170 × x

= 170x

Lower-priced speaker = 80 × 4x

= 320x

Total sales = $4,410

170x + 320x = 4,410

490x = 4,410

divide both sides by 490

x = 4,410 / 490

x = 9

So,

Number of lower-priced speaker = 4x

= 4 × 9

= 36

Number of higher-priced speaker = x

= 9

Therefore, the lower-priced speaker docks and higher-priced speaker docks is 9 and 36 respectively.

Learn more about algebra:

brainly.com/question/723406

#SPJ1

8 0
1 year ago
Evaluate -a^n when a=3 and n=2,3,4, and 5. Now evaluate (-a)^n when a=3 and n=2,3,4, and 5. Based on the sample, does it appear
Nadya [2.5K]

The attachment shows the requested evaluations.

-a^n ≠ (-a)^n . . . . except when n is an odd integer

5 0
3 years ago
Lucas is borrowing money to purchase a vehicle. A car dealership will loan Lucas $18,000 with a simple interest rate of 14.5% ap
ASHA 777 [7]

Answer:

Difference in total payback = $5734.64

Step-by-step explanation:

Formula for the simple interest payout,

Interest = \frac{P\times r\times t}{100}

P = Principal amount of loan

r = rate of interest (Annually)

t = Duration for the payment

Interest = \frac{18000\times 14.5\times 5}{100}

             = $13050

Total payable amount = 18000 + 13050

                                     = $31050

Formula for the amount payable with compound interest,

Final amount = \text{Initial amount}(1+\frac{r}{n})^t

Here, t = Duration of investment

r = rate of interest (Annual)

n = Number of compounding per year

Payable amount = 18000(1+\frac{0.089}{1})^4

                           = 18000(1.089)⁴

                           = $25315.36

Difference in total payback = $31050 - $25315.36

                                              = $5734.64

7 0
3 years ago
Please help me!!!! I don’t know how to do this
Harlamova29_29 [7]

Answer:

37

Step-by-step explanation:

3 and 1 are vertical angles so 1 = 3

8 0
3 years ago
Cole's rectangular garden has
k0ka [10]
The dimensions could be either 2 x 27, 6 x 9,
3 0
3 years ago
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