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Lera25 [3.4K]
3 years ago
13

Doing some homework right now :) Need help on this problem

Mathematics
2 answers:
Nimfa-mama [501]3 years ago
7 0
Both of them have 5 I think. Idrk but I’m pretty sure it’s right. Hopefully it is
pychu [463]3 years ago
3 0

Answer:

both have 5

Step-by-step explanation:

10 divided by 2 equals 5

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Math test , if 9 = 90 , 8 = 72 , 7 = 56 , 6 = 42 , 3 = ?
eimsori [14]

Answer:

12

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Which systems of equations intersect at point A in this graph?
abruzzese [7]

Answer:

The point of intersection of the system of equations is:

(x, y) =  (-2, 1)

The correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

Step-by-step explanation:

Given the point

  • A (-2, 1)

Let us check the system of equations to determine whether it intersect at point A in this graph.

Given the system of equations

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Arrange equation variable for elimination

\begin{bmatrix}y-4x=9\\ y+3x=-5\end{bmatrix}

so

y+3x=-5

-

\underline{y-4x=9}

7x=-14

so the system of equations becomes

\begin{bmatrix}y-4x=9\\ 7x=-14\end{bmatrix}

Solve 7x = -14 for x

7x=-14

Divide both sides by 7

\frac{7x}{7}=\frac{-14}{7}

Simplify

x = -2

For y - 4x = 9 plug in x = 2

y-4\left(-2\right)=9

y+4\cdot \:2=9

y+8=9

Subtract 8 from both sides

y+8-8=9-8

Simplify

y = 1

Thus, the solution to the system of equations is:

(x, y) = (-2, 1)

From the attached graph, it is also clear that the system of equations intersects at point x = -2, and y = 1.

In other words, the point of intersection of the system of equations is:

(x, y) =  (-2, 1)

Therefore, the correct system of equations intersect at point A in this graph will be:

\begin{bmatrix}y=4x+9\\ y=-3x-5\end{bmatrix}

Thus, the second option is correct.

3 0
3 years ago
62 1/2 % as a decimal <br>OR<br>125/2 as a decimal​
Vaselesa [24]

62.5 is your answer in decimal

3 0
3 years ago
A train traveled 1360 miles in 16 hours. What was the average speed of the train in miles per hour?
notsponge [240]

Answer:

85 miles per hour

Step-by-step explanation:

5 0
3 years ago
Jennifer has 3 1/2 cups of jelly beans to share with 7 friends. How many cups does each person get?
kakasveta [241]
This will be  3 1/2 divided by 7 

which is 1/2 cup each.
6 0
3 years ago
Read 2 more answers
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