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allochka39001 [22]
2 years ago
13

Pls help I’ll brainlest due in 10 Minutes

Mathematics
2 answers:
kirill115 [55]2 years ago
7 0
3n + 11 = 29
3n = 18
n = 6
Snezhnost [94]2 years ago
3 0

Answer:

Step-by-step explanation:

3n + 11 = 29

3n = 18

n = 6 (age of the triplets)

triplets 6 + 6 + 6 + 11 = 18 + 11 = 29 years altogether for the 4 kids total

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3x+-2=-2 will give brainiest if ya answer :D
Vlada [557]

Answer:

x=0

Step-by-step explanation:

3x+-2=-2

Add 2 to each side

3x+-2+2=-2+2

3x = 0

Divide by 3

3x/3 = 0/3

x = 0

4 0
3 years ago
Read 2 more answers
A watch cost $72.99. If the sales tax rate is 6.25% what is the amount of sales tax
katovenus [111]

Answer:

$4.56

Step-by-step explanation:

The tax is found by multiplying the tax rate by the amount of the sale.

... 6.25% × $72.99 = $4.56

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Some calculators deal directly with percentages, so you don't even have to think about it. Your friendly, local Google search box is an excellent calculator for many purposes.

8 0
3 years ago
Ted lives 10 miles south and 10 miles west of the city represented on the graph above. His brother Ned lives 30 miles north of T
enot [183]
We need the graph to answer this question
7 0
3 years ago
(20 points) A 2-liter bottle of soda (67.6 ounces) costs $1.89. A case of twelve 12 ounce
horrorfan [7]

Answer:

  • Unit price of a 2-liter bottle of soda: \$0.028\ per\ ounce
  • Unit price of a case of twelve 12 ounce  cans: \$0.021\ per\ ounce
  • The better bargain is the case of 12 ounce cans.

Step-by-step explanation:

Let be "x" the unit price (price/ounce) of the soda in the 2-liter bottle and "y"  the unit price (price/ounce) of the soda in the case  of twelve 12 ounces cans.

According to the data provided in the exercise, you know that:

1. The 2-liter bottle of soda  is equal to 67.6 ounces.

2. That bottle costs  $1.89

Then, the unit price is:

x=\frac{1.89}{67.6}\\\\x\approx0.028

3. There are 12 ounce  cans in the case. Then the total ounces is:

12\ oz*12=144\ oz

4. It costs $2.99.  So the unit price is:

y=\frac{2.99}{144}\\\\y\approx0.021

Since:

y

The better bargain is the case of 12 ounce cans.

5 0
3 years ago
How do you explain how you know that the sum of 12.6,3.1 and 5.4 is greater than 20
AlladinOne [14]

You add them up to see that it is in fact greater...

12.6+3.1+5.4=

21.1

6 0
2 years ago
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