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2 years ago

(0) a^2+За + За +9 Factorise

Mathematics

1 answer:

VashaNatasha [74]2 years ago

6 0

Answer:

a^2+6a+9

Step-by-step explanation:

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The expression sin 57° is equal to

ValentinkaMS [17]

Answer:

$cos(33^{\circ})$

Step-by-step explanation:

Given

$sin(57^{\circ})$

Required

Determine an equivalent expression

In trigonometry:

$sin(\theta)= cos(90^{\circ} - \theta)$

In $sin(57^{\circ})$

$\theta=57^{\circ}$

Substitute $57^{\circ}$ for $\theta$

in $sin(\theta)= cos(90^{\circ} - \theta)$

$sin(57^{\circ})= cos(90^{\circ} - 57^{\circ})$

$sin(57^{\circ})= cos(33^{\circ})$

Hence, the equivalent expression is: $cos(33^{\circ})$

5 0

3 years ago

On a coordinate plane, triangle L M N has points (1, negative 1), (3, 2), and (1, 3). An altitude is drawn from point M to point

PIT_PIT [208]

The answer is 4 units.

7 0

2 years ago

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What exponent or power should I put in this equation to make it true? 2.5 x 10® = 25,000 (PLZ HELP)

Over [174]

Answer:

Step-by-step explanation:

7 0

2 years ago

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How many meters are in 3,456 millimeters? is it 3456000?

Oksi-84 [34.3K]

Answer:

3.456

Step-by-step explanation:

one meter is 100 millimeters

7 0

2 years ago

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Write each of the following expressions without using absolute value. |z−6|−|z−5|, if z<5

Andre45 [30]

Answer: 6 - 5

<u>Step-by-step explanation:</u>

|z - 6| - |z - 5| ; z < 5

Since z < 5, then

|z - 6| will be the absolute value of a negative number. Replace the absolute value with a negative and parentheses:

-(z - 6) = -z + 6

|z - 5| will be the absolute value of a negative number. Replace the absolute value with a negative and parentheses:

-(z - 5) = -z + 5

Now subtract them without the absolute value signs:

-z + 6 - (-z + 5)

Distribute the negative sign:

-z + 6 + z - 5

-z + z = 0 which leaves:

6 - 5

3 0

3 years ago

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