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3 years ago

Does anyone know the answer to 9x19

Mathematics

2 answers:

tangare [24]3 years ago

7 0

Answer:

171

Step-by-step explanation:

Leave my discord server rn you loser :-)

Bond [772]3 years ago

5 0

Answer:9*19 is 171,u can use a calculator on google

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Find the values of a, b and c.

valina [46]

Look at the picture.

Corresponding Angles are equal.

Alternate Angles are equal.

Consecutive Angles add up to 180°.

----------------------------------------------------------------------

3a and 45 are Consecutive Angles. Therefore

3a + 45 = 180 |subtract 45 from both sides

3a = 135 |divide both sides by 3

----------------------------------------------------------------------

(2c - 1) and 45 are Corresponding Angles. Therefore

2c - 1 = 45 |add 1 to both sides

2c = 46 |divide both sides by 2

----------------------------------------------------------------------

3a and (12b + 3) are Alternate Angles. Therefore

3(45) = 12b + 3

135 = 12b + 3 |subtract 3 from both sides

132 = 12b |divide both sides by 12

7 0

4 years ago

Which sign makes this statement true

Vesna [10]

Answer:

The = sign

Step-by-step explanation:

1 11/20 = 31/20 = 1.55 and 1.55 =1.55

3 0

4 years ago

Read 2 more answers

A(b + c) = a • b + a • c, where a, b, and c are real numbers

melisa1 [442]

<em>Answer:</em>

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

<em>Hi there ! </em>

6 0

3 years ago

How many different strings of length 12 containing exactly five a's can be chosen over the following alphabets? (a) The alphabet

N76 [4]

Answer:

Part (A) The required ways are 792.

Part (B) The required ways are 101376.

Step-by-step explanation:

Consider the provided information.

Part (A) The alphabet {a, b}

The length of strings is 12 that containing exactly five a's.

The number of ways are: $\frac{12!}{5!7!}$

After filling "a" we have now 7 places.

For 7 places we have "a" and "b" alphabet but we already select a's so now the remaining place have to fill by "b" only.

Thus, the required ways are: $\frac{12!}{5!7!}\times 1=792$

Part (B) The alphabet {a, b, c}

We have selected five a's now we have now 7 places.

For 7 places we have "b" and "c".

Thus, there are 2 choices for each 7 place that is $2^7$

Therefore the total number of ways are: $792\times 2^7=101376$

Thus, the required ways are 101376.

7 0

4 years ago

Maurice can type 60 words a minute. If Jeanine can type 90 words a minute and will finish a typing exercise in 18 minutes, how m

bezimeni [28]

Answer: 27 minutes

Step-by-step explanation:

We know that amount of words is equal Rate x Time

If Jeanine types at a rate of 90 words per minute

Work = 90 x 18 = 1620

Maurice time will be 1620/60 = 27

6 0

3 years ago