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Lina20 [59]
2 years ago
11

2 was added to a certain number. This sum was then divided by 5. Finally,

Mathematics
1 answer:
sveticcg [70]2 years ago
7 0

Answer:

The number is -7

Step-by-step explanation:

Solve in backward to find answer.

The outcome is -4.

It was multiplied by 4. So, divide the -4 by 4.

-4 ÷ 4 = -1

Then, it was divided by 5. So, multiply -1 by 5.

-1 × 5 = -5

Finally, it was added by 2. So, subtract -5 by 2.

-5 - 2 = -7

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Answer:

3

Step-by-step explanation:

Y intercept when x = 0

F(0) = 3 * 4^(0) = 3 * 1 = 3

5 0
1 year ago
10 pecebt in simplest form
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10%
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7 0
3 years ago
5x70= 5 x_____tens <br> = ______tens =______? <br> Use place value to find the product.
zhuklara [117]
5 × 70 = 5 × 7 tens = 350

WHY?

1 ten = 10 ones

70 ÷ 10 = 7 

So 7 tens. 

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5 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
2 years ago
Find the approximate volume of a cylinder that has a radius of 4 inches and a height of 6 inches. Use 3.14 for Pie
sattari [20]
Answer: 301.44
Explanation:
V = πr^2•h

3.14•4^2 • 6
3 0
2 years ago
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