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erik [133]
3 years ago
9

In the diagram AB is parallel to CD. Calculate the value of A ?

Mathematics
1 answer:
olga55 [171]3 years ago
4 0

The image of the diagram is missing, so i have attached it.

Answer:

a = 30°

Step-by-step explanation:

From the diagram attached, we can see that the 2 angles a and 5a are interior supplementary angles.

The sum of interior supplementary angles is 180°

Thus;

5a + a = 180

6a = 180

a = 180/6

a = 30°

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I know the answer is right but it said it’s wrong. Can I get a second answer to make sure? Thank you so much!
ad-work [718]

Answer:

   70.3 ft

Step-by-step explanation:

The ratio of the adjacent side (33 or KM) to the hypotenuse (X or KL) is the cosine of the angle:

  cos(62°) = 33/KL

Multiplying by KL/cos(62°) gives ...

  KL = 33/cos(62°) ≈ 33/0.4694 ≈ 70.292 ≈ 70.3

The length of KL is about 70.3 feet.

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Make sure your calculator is in degrees mode.

6 0
3 years ago
#1: Solve the triangle. ​
artcher [175]

Answer:

D

Step-by-step explanation:

because i just took the test

8 0
2 years ago
"five times the sum of a number and 6 is 48"
makvit [3.9K]

Answer:

Sum of the number is 8.4

Step-by-step explanation:

x = sum of a number

(5 × x) + 6 =48

5x + 6 = 48

5x + (6 - 6) = (48 - 6)

5x = 42

5x ÷ 5 = 42 ÷ 5

x = 8.4

3 0
3 years ago
Read 2 more answers
Please explain why. Thanks
xxTIMURxx [149]

<h3><u>Question</u> :-</h3>

Is (x-2) is a factor of x³-3x²-x +7 –

  • Yes
  • No ☑

<h3><u>Explanation</u> :-</h3>

We are given –

  • Polynomial function, P(x) = x³-3x²-x +7

  • In order to check if x - 2 is a factor of x³-3x²-x +7 or not, we must show that P(2) = 0.

  • Let's find value of x!

\qquad \twoheadrightarrow\bf P(x) = x³-3x²-x +7

\qquad \twoheadrightarrow\bf Q(x) =x - 2

\qquad \twoheadrightarrow\bf If \:Q(x) = 0

\qquad \twoheadrightarrow\bf x - 2 = 0

\qquad \twoheadrightarrow\bf x = 2

Now Put x = 2 into the polynomial –

\qquad \purple{\twoheadrightarrow\bf P(2) = 2³-3(2)²-2+7}

\qquad \twoheadrightarrow\sf P(2) = 8 - 3 \times 4 +5

\qquad \twoheadrightarrow\sf P(2) = 8 -12 +5

\qquad \twoheadrightarrow\sf P(2) = 13-12

\qquad \purple{\twoheadrightarrow\bf P(2) =1 }

  • Since the value of the polynomial function st x = 2 is not Zero (0). Henceforth, ( x - 2) is a factor of  x³-3x²-x +7.

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5 0
2 years ago
Alejandro wants to determine how much money he made in the last month after taxes, social security, and Medicare were taken out
elixir [45]

Answer:

absolutely B

Step-by-step explanation:

A is one type of tax

C) gross pay includes taxes, social security and something else

D) deductions are the type of fee

and B is the amount of money that he received

6 0
3 years ago
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