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lesantik [10]
3 years ago
11

Use technology to approximate the solution(s) to the system of equations to the nearest tenth of a unit.

Mathematics
2 answers:
Vikentia [17]3 years ago
7 0

Answer:

(2.5, -1)

(-2.5, 1)

(-1, 2.5)

Step-by-step explanation:

alukav5142 [94]3 years ago
4 0

Answer:

(2.5, -1)

(-2.5, 1)

(-1, 2.5

Step-by-step explanation:

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Derek estimated the cost of his grocery bill to be $75, but it actually cost $110. Find the percent error rounded to the nearest
zhannawk [14.2K]

 The absolute change in price was $12−$8=$4.  Relative to the original price, it was 412, which is 0.3333 or 33.33%.

The answer was 1,150.0 but as a whole number its 1,150.

5 0
3 years ago
2. Given that the radius of the Earth is 6340 Km. calculate the Surface Acer of earth <br>​
serious [3.7K]

Answer:

Step-by-step explanation:

The surface area of a sphere (which the earth is considered to be) = 4 pi r^2

pi = 3.14

r = 6340

Area = 4 * 3.14 * 6340 * 6340 = 504856736 square km.

You should either round this to 505,000,000 or express a value in scientific notation.

5.05 * 10^8

6 0
3 years ago
In a school the number of girls is more than twice the number of boys. If the school has 650 students find the greatest number o
Leya [2.2K]

Answer:

750

Step-by-step explanation:

because if the has 650 students and it is the greatest number

8 0
2 years ago
Read 2 more answers
A T-shirt that costs $12 is now on sale for 15% off. What is the sale price of the t-shirt?
anastassius [24]

Answer:

$14.18

Step-by-step explanation:

just multiply 12 with 100 for percentage and divide it by 85 because there was 15 percent off and you'll get the answer

7 0
2 years ago
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Find the least common denominator for these fractions. Enter your answer in<br> the space provided.
julsineya [31]

Answer:

5/12

Step-by-step explanation:

1/4 and 1/6 are fractions.

As we directly can't add fractions whenever denominators are different, so we will have to find out the Least common multiple of 4 and 6.

The LCM Of 4&6 will be 12, so we will write 12 instead of 4&6.

Now, 4*3=12, that is why we will have to multiply the numerator and denominator with 3.

1*3/4*3 = 3/12

Same thing applies to 1/6. In order to get 12 in the denominator we need to multiply 2 with numerator and denominator both.

1*2/6*2= 2/12

However, we have two new fractions with same denominator now, that is 3/12 and 2/12

We can directly add the numerators now, as we have the same denominator. So 3+2/12= 5/12 would be my final answer. (addition of like fractions)

5/12

8 0
2 years ago
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