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Allushta [10]
3 years ago
8

Each blank should be filled with a single whole number greater than 1. Factor: 900 - 1 = ( )( )

Mathematics
2 answers:
Marat540 [252]3 years ago
6 0
One example would be 900-1=(29)(31)
expeople1 [14]3 years ago
5 0

Answer:

900-1=(29)(31)

Step-by-step explanation:

We are asked to factor 900-1.

We will use difference of squares a^2-b^2=(a-b)(a+b) to factor our given expression.

We can write 900 as 30^2 and 1 as 1^2.

Upon substituting these values, we will get:

900-1=30^2-1^2

Using difference of squares:

900-1=(30-1)(30+1)

900-1=(29)(31)

Therefore, factored form of our given numbers would be 900-1=(29)(31).

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A shadow is cast by a pole. The angle of elevation from the end of the shadow to the top of
Oksana_A [137]

DAnswer:

Step-by-step explanation:

4 0
3 years ago
Susan and Mark are standing at different places on a beach and watching a bird. The angles of elevation they make are 20º and 50
Mandarinka [93]

Answer:

The bird is 2.44km high

Step-by-step explanation:

Hello,

To solve this question, we need to understand how they are and we can only get this with a correct pictorial diagram.

See attached document for better understanding.

From the first diagram, we understand that the bird is between them and also on top of them.

Assuming Susan, Mark and the bird all form a triangle at each other and the bird at the top, we can divide the the triangle into two equal parts.

But before then, we should know that sum of angles in a triangle is equal to 180°

Therefore,

20° + 50° + b° = 180

70° + b = 180

b = 180° - 70°

b = 110°

Dividing angle b into two equal parts = 55° on each side.

See the last attached document for better illustration.

Using SOHCAHTOA, we can find the adjacent of the triangle which corresponds to the height of the bird.

We have opposite = 3.4km and we're looking for adjacent. We can use tangent of the angle to find the adjacent.

Tanθ = opposite / adjacent

Tan 55° = 3.5 / adj

Adjacent = 3.5 / tan55

Adjacent = 3.5 / 1.43

Adjacent = 2.44km

The height of the bird is 2.44km

7 0
3 years ago
Pattern x: Starts at 0. Rule: Add 3.
raketka [301]
I think (0,0) is the only one that starts at 0 for both x and y and stay the same if the add the 3 to x and 6 to y.
5 0
3 years ago
I need help with this simplification-
astra-53 [7]

Answer:

1.31

Step-by-step explanation:

= \frac{64}{56}^2 x \frac{1}{2.92}^3 x 2.48

= 1.31 x 0.40 x 2.48

= 0.524 x 2.48

= 1.31

:)

Answer was verified and rounded

7 0
3 years ago
In which number is the value of the 5 ten times greater than the value of the 5 in 654,321? 658,321 536,401 65,892 58
krok68 [10]

Answer:

536,401

Step-by-step explanation:

the 5 is in the ten thousands column in 654,321. you have to times the number by ten to see what column it would be in, 6,543,210. The 5 is now in the hundred thousands column. The only number there with the 5 in in the hundred thousands column is 536,401.

5 0
3 years ago
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