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Jet001 [13]
3 years ago
14

Which points are solutions

Mathematics
1 answer:
Liula [17]3 years ago
3 0
A, C and E all work in the equations. In order for them to work, you must use the ordered pair in each of the three situations. Below is the work for all of the correct answers. 

Ordered Pair A : (1, -1)
y < x + 1
-1 < 1 + 1
-1 < 1 (TRUE)

y < 4
-1 < 4 (TRUE)

x < 6 
1 < 6 (TRUE)

Ordered Pair C : (4, 2)
y < x + 1
2 < 4 + 1
2 < 5 (TRUE)

y < 4
2 < 4 (TRUE)

x < 6 
5 < 6 (TRUE)

Ordered Pair E : (4, -2)
y < x + 1
-2 < 4 + 1
-2 < 5 (TRUE)

y < 4
-2 < 4 (TRUE)

x < 6 
4 < 6 (TRUE)
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in a bicycle store a $275 bicycle is marked ,''get a 15%discount "What is the discount?What is the sale price of the bicycle?
timofeeve [1]
275 * 0.15 = 41.25 (discount)

275 - 41.25 = 233.75 (sale price of the bicycle)

4 0
3 years ago
Kamal wrote the augmented matrix below to represent a system of equations
ra1l [238]

Consider the operation is R_2\to -3R_2.

Given:

The augmented matrix below represents a system of equations.

\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]

To find:

Matrix results from the operation R_2\to -3R_2.

Step-by-step explanation:

We have,

\left[\left.\begin{matrix}1&0&1\\1&3&-1\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-9\\-2\end{matrix}\right]

After applying R_2\to -3R_2, we get

\left[\left.\begin{matrix}1&0&1\\-3(1)&-3(3)&-3(-1)\\3&2&0\end{matrix}\right|\begin{matrix}-1\\-3(-9)\\-2\end{matrix}\right]

\left[\left.\begin{matrix}1&0&1\\-3&-9&3\\3&2&0\end{matrix}\right|\begin{matrix}-1\\27\\-2\end{matrix}\right]

Therefore, the correct option is A.

3 0
3 years ago
A cylinder has a diameter of 5 centimeters and a height of 50 millimeters. Which of the following steps should be done
kolbaska11 [484]

Answer:

convert the diameter and the height to the same unit

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
What is the best estimated of the total number of students that attended clubs on Friday
s2008m [1.1K]

All you would have to do is round to the nearest 10th number (ex. From 26 to 30) for all the clubs including both boys and girls. Then you add them all together. Rounding makes estimating easier.

8 0
3 years ago
Simplify: j + 5 + 5c
irina [24]
The answer is 5
c
+
j
+
5
5 0
3 years ago
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