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ruslelena [56]
3 years ago
15

Nine birds are sitting on the power line. Three more birds arrive at the same time five of the birds fly off. How many birds are

sitting on the power line now
Mathematics
1 answer:
Liula [17]3 years ago
4 0

Answer:

7

Step-by-step explanation:

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Do you move the decimale to the left or to the right when multiplying
Vesnalui [34]
You move it to the right
4 0
2 years ago
Read 2 more answers
Use the double intercept approach to find the graph of –1 = –y + x. A. B. C. D.
navik [9.2K]

Answer:

Intercepts at (-1, 0) and (0, 1).

Step-by-step explanation:

The double intercept form for the equation of a line is

ax + by = 1

-1 = -y + x

<em> y = 0 </em>

<em> </em>x = -1     Multiply each side by -1

-x = 1

The <em>x-intercept</em> is at (-1, 0).

=====

<em> x = 0 </em>

-1 = -y     Multiply each side by -1

y = 1

The <em>y-intercept</em> is at (0, 1).

=====

The graph (see below) is a straight line passing through the points (-1, 0) and (0, 1).


5 0
3 years ago
What is the surface area of a rectangular prism that has a height of 5 cm, a width of 10 cm, and a depth of 4 cm?
Ket [755]

Option C: 220 \ cm^2 is the surface area of the rectangular prism

Explanation:

The height of the rectangular prism is 5 cm

The width of the rectangular prism is 10 cm

The depth of the rectangular prism is 4 cm

We need to determine the surface area of the rectangular prism.

The surface area of the rectangular prism can be determined using the formula,

A=2(w l+h l+h w)

Substituting w=10 , h=5 and l=4 in the formula, we get,

A=2 \cdot(10 \cdot 4+5 \cdot 4+5 \cdot 10)

Multiplying the terms within the bracket, we have,

A=2 \cdot(40 +20+5 0)

Adding all the values within the bracket, we get,

A=2 \cdot(110)

Multiplying, we have,

A=220

Thus, the surface area of the rectangular prism is 220 \ cm^2

Hence, Option C is the correct answer.

4 0
3 years ago
Read 2 more answers
I need help what is the answer will mark brainliest please help
Anestetic [448]

Answer:

Step-by-step explanation:

√4 = 2, √36 = 6, √49 = 7

only √2 is irrational!

7 0
3 years ago
The supplementary angle of π/5 is
bija089 [108]
The supplementary angle is 0.628. Hope that helps
3 0
3 years ago
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