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Nikolay [14]
3 years ago
11

Angelo is trying to save up to buy the new iPhone 11. He has $40 in his wallet. He decides to shovel snow off driveways for $30

per house to earn some money. Use this information to solve the problems below.
-Which equation models the situation?

y = 30 + 40x
x = 40 + 30y
x = 40 +30y
y = 40 + 30x
Mathematics
2 answers:
g100num [7]3 years ago
8 0

Answer:

y = 40 + 30x

Step-by-step explanation:

You dont know how many houses, so you put a variable for it. You have $40 in your wallet. Thats why y = 40 + 30x is your answer.

rewona [7]3 years ago
5 0
The equation that best models this situation would be: y=40+30x
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Points B and B' have symmetry with respect to P. Find the coordinates of P when B is (2, 8) and B' is (2, 2). A. (2, 5) B. (0, 5
Alecsey [184]

Answer:

A. (2, 5)

Step-by-step explanation:

If B and B' have symmetry, then P is a midpoint between those points. We can determinate the location of point P by using the midpoint equation, whose vectorial form is:

P(x,y) = \frac{1}{2}\cdot B(x,y)+\frac{1}{2}\cdot B'(x,y) (Eq. 1)

If we know that B(x,y) = (2,8) and B'(x,y) = (2,2), then the location of P is:

P(x,y) = \frac{1}{2}\cdot (2,8)+\frac{1}{2}\cdot (2,2)

P(x,y) = (1, 4)+(1,1)

P(x,y) = (2, 5)

Which corresponds to option A.

7 0
3 years ago
On a given day, 36 of the 445 students in a school were absent. What was the appproximate absentee rate that day?
Nata [24]

Answer: The approximate absentee rate that day would be 8.09%.

Step-by-step explanation:

Since we have given that

Number of students who were absent = 36

Total number of  students = 445

We need to find the approximate absentee rate that day :

Rate of absentee of that day would be

\dfrac{\text{Number of absentee}}{\text{Total number of students}}\times 100\\\\=\dfrac{36}{445}\times 100\\\\=8.09\%

Hence, the approximate absentee rate that day would be 8.09%.

5 0
3 years ago
X + 2y + 5z = -17<br> 2x – 3y + 2z = -16<br> 3x + y - z = 3
Tatiana [17]

Answer:

first one : x=−2y−5z−17

2nd one: x= 3 /2 y−z−8

3rd one: x= −1 /3 y+ 1 /3 z+1

Step-by-step explanation:

8 0
3 years ago
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Troyanec [42]

9514 1404 393

Answer:

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Step-by-step explanation:

Think about it. Any number is either less than 2, equal to 2, or greater than 2.

The solution set is <em>all real numbers</em>.

6 0
3 years ago
Which place value would you look to compare 225998 and 225988
Jobisdone [24]
225998 225988
I believe it is the tenths place
(the bold digits)
6 0
3 years ago
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