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lisabon 2012 [21]
3 years ago
12

1. Indicate the number of significant figures in each of the following quantities:

Mathematics
1 answer:
shutvik [7]3 years ago
6 0

Answer:

(a) 3

(b) 4

(c) 3

Step-by-step explanation:

To find the number of significant figure, ignore all zeros on the left and count the remaing digits.

(a) ignore 0.0, so 590 is 3 s. f.

(b) no zeros to the left, so 4 s. f.

(c) ignore 0.00, so 122 is 3 s. f.

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You buy a container of cat litter for $12.25 and a bag of cat food for x dollars. The total purchase is $19.08, which includes 6
Jlenok [28]

Answer: 19.08 = x + 12.25 is the equation.

$6.83 is the cost.


Step-by-step explanation: Solve for x in the equation to find the total cost of the cat food.

19.08 = x + 12.25 (All you're doing is subtracting 12.25 from 19.08)

6.83 = x


5 0
3 years ago
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is
marin [14]
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation.

x + y = 24

3x + 5y = 100

What does the solution of this system indicate about the questions on the test?

The test contains 4 three-point questions and 20 five-point questions.
The test contains 10 three-point questions and 14 five-point questions.
The test contains 14 three-point questions and 10 five-point questions.
The test contains 20 three-point questions and 8 five-point questions.
5 0
3 years ago
Nigel has 138 ounces of lemonade. how many 6-ounce servings of lemonade can he make?
Reptile [31]
138/6 = 23 :)
....................

8 0
3 years ago
Which of these triangle pairs can be mapped to each other using two reflections? Triangles X Y Z and P Y T are connected at poin
Irina18 [472]

Answer:

The correct option is the first option;

Triangle XYZ and PYT are connected at point Y. Triangle XYZ is reflected across XY and then is reflected another time across YZ to form triangle PYT

Step-by-step explanation:

To answer the question we look at each option as follows;

1) The parameters given are triangle XYZ and PYT are connected at point Y

Triangle XY is reflected about XY will shift the marked angle from left to right while the right angle will remain at the same location and the triangle will remain upright to give triangle X'Y'Z'

Reflection about the YZ will give; the marked angle and the right angle in the same location and the vertex X will then be changed to P

Therefore, triangle XYZ can be mapped to triangle PYT with two reflections

2)  In the second option, we have triangle XYZ is reflected 3 times which is more than 2 times as in the question, therefore, option two is less suited as an answer to the question

3) Triangle XYZ is reflected across side XY and then is shifted down to form triangle AYT

Therefore, since we have only one reflection, option 3 is also not appropriate as an answer

4) In option 4 triangle XYZ is reflected and then rotated therefore option 4 is also not a correct option.

6 0
4 years ago
Read 2 more answers
Each basket at the farm stand holds 3 pounds of potatoes or 6 pounds of tomatoes. If there are 21 pounds of potatoes and 6 pound
jolli1 [7]

Answer:

8 baskets

Step-by-step explanation:

Well, we can simply divide each number by the amount of vegetables are needed.

6/6=1. We only need 1 basket for tomatoes.

21/3=7. We need 7 baskets for potatoes.

7+1=8 We need 8 total baskets.

Hope this helps! :D

7 0
3 years ago
Read 2 more answers
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