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3 years ago

Can someone help me please?

Mathematics

1 answer:

Airida [17]3 years ago

6 0

Answer:

90.6

Step-by-step explanation:

89.7 + 92.6 + 83.9 + 96.2=

362.4

362.4 divided by 4 =

90.6

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For each ordered pair (x,y) determine whether it is a solution to the inequality 7x+2y>_26

MA_775_DIABLO [31]

The inequality is given as,

$7x+2y>-26$

Consider that any ordered pair (x,y) is said to be the solution of the inequality if the ordered pair gives a true result when substituted in the inequality.

Consider the ordered pair (4,-9),

$\begin{gathered} 7(4)+2(-9)>-26 \\ 28-18>-26 \\ 10>-26 \end{gathered}$

Clearly, the result is true. So it can be concluded that (4,-9) is a solution of the given inequality.

Therefore, mark YES for the ordered pair (4,-9).

Consider the ordered pair (3,4),

$\begin{gathered} 7(3)+2(4)>-26 \\ 21+8>-26 \\ 29>-26 \end{gathered}$

Clearly, the result is true. So it can be concluded that (3,4) is a solution of the given inequality.

Therefore, mark YES for the ordered pair (3,4).

Consider the ordered pair (-4,0),

$\begin{gathered} 7(-4)+2(0)>-26 \\ -28+0>-26 \\ -28>-26 \end{gathered}$

Clearly, the result is false as -28 is not actually greater than -26.

So it can be concluded that the ordered pair (-4,0) is not a solution of the given inequality.

Therefore, mark NO for the ordered pair (-4,0).

Consider the last ordered pair (-6,8),

$\begin{gathered} 7(-6)+2(8)>-26 \\ -42+16>-26 \\ -26>-26 \end{gathered}$

Note that the numbers on both sides of the inequality are identical. So there should be the symbol of equality, not inequality. So, it can be concluded that this ordered pair (-6,8) is not a solution of the given inequality.

Therefore, mark NO for the ordered pair (-6,8).

4 0

2 years ago

1 3/5 x 2 7/8 <br> please multiply then write in simplest form

prohojiy [21]

Answer:

4 3/5

Step-by-step explanation:

Convert each term into an improper fraction, 8/5 x 15/8. Then find common denominator, 40. Then your equasion would be 64/40 x 75/40. Multiply your terms, then simplify the answer.

3 0

3 years ago

Which methods could you use to calculate the x-coordinate of the midpoint of a horizontal line segment with endpoints at (0, 0)

SpyIntel [72]

You could add the two x-coordinates together (in this case, 0 and 20) and then divide them by 2 to get an x-coordinate of 10 for their midpoint.

6 0

3 years ago

Read 2 more answers

What is 1000 is 1/10 of

Mariana [72]

Answer:

10,000

Step-by-step explanation:

This is because, if you do 10 times 1,000, you would get 10,000

5 0

4 years ago

Solve the exponential equation. 2-x = 16 4 1/4 -4

Norma-Jean [14]

Answer:

2-x=406.25

Step-by-step explanation:

2-x=1641/4-4

divide the numbers 1641\div \:4=410.25

2-x=410.25-4

6 0

3 years ago