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3 years ago

What is the product of any number, x, multiplied by 1? explain how you know

Mathematics

2 answers:

alexandr1967 [171]3 years ago

8 0

Answer:

x.1 = x

1 is the multiplicative identity.

Step-by-step explanation:

The product of any number, x, multiplied by 1 is x.

x.1 = x

Any number multiplied by 1, we get the same number. Because 1 is the multiplicative identity.

Let me show you a few more examples.

356 times 1 = 356

-5 times 1 = -5

22 times 1 = 22

You can see that any number multiplied by 1, we get the same number.

1 is called multiplicative identity.

Sav [38]3 years ago

5 0

It would be still be X. Any number times 1 is that number. For example 3x1=3 and 325x1=325 :)

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Solve the equation : 3x - 2 = 4x + 5 How many solutions are there?

Nookie1986 [14]

Answer:

one solution

Step-by-step explanation:

Given

3x - 2 = 4x + 5 ( subtract 4x from both sides )

- x - 2 = 5 ( add 2 to both sides )

- x = 7 ( multiply both sides by - 1 )

x = - 7 ← the one solution

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3 years ago

Suppose that you are headed toward a plataeu 70m high. If the angle of elevation to the top of the platau is 35 degree how far a

SIZIF [17.4K]

Answer:

The distance you are from the base of plateau = $99.97\ m\approx 100\ m$

Step-by-step explanation:

Given:

Height of plateau = 70 m

Angle of elevation to the top of plateau = 35°

To find the distance you are from the base of plateau.

We will construct a triangle ABC to model the given situation. The triangle would be a right triangle for which we know an angle and its opposite side. We need to find the adjacent side of the triangle.

We will apply trigonometric ratio to find the adjacent side.

$\tan\theta=\frac{Opposite\ Side}{Adjacent\ Side}$

where $\theta$ represents the angle of reference.

Plugging in the values from the triangle.

$\tan 35\° =\frac{BC}{AC}$

$\tan 35\° =\frac{70}{AC}$

Multiplying both sides by AC.

$AC\times \tan 35\° =AC\times \frac{70}{AC}$

$AC\times \tan 35\° =70$

Dividing both sides by $\tan 35\°$

$\frac{AC\times \tan 35\°}{\tan 35\°} =\frac{70}{\tan 35\°}$

∴ $AC=99.97\ m\approx 100\ m$

The distance you are from the base of plateau = $99.97\ m\approx 100\ m$

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3 years ago

Please answer ASAP!!!!!!!

S_A_V [24]

Answer:

step 3

Step-by-step explanation:

4*7=28

Not 26

4 0

2 years ago