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gtnhenbr [62]
2 years ago
6

Help me please of this question

Mathematics
1 answer:
kati45 [8]2 years ago
5 0

Answer:

28

Step-by-step explanation:

all adds up to 180 degrees

so 4x+3+2x+9=180

=6x+12=180

6x=168

x=28

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Kianna started her homework at 4:30 pm. She finished at 5:05 pm. How many SECONDS did it take her to finish her homework? *
lozanna [386]

Answer:

2100 second

Step-by-step explanation:

4:30 pm to minutes

4 × 60 + 30 = 240 + 30

= 270 minutes

5:05 to minutes

5 × 60 + 5 = 300 + 5

= 305

4:30 to 5:05

305 - 270

= 35 minutes

35 minutes to second

35 × 60

= 2100 second

6 0
3 years ago
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Find the greatest common factor of the following monomials 3B + 30 B
ryzh [129]

Answer:

3B

Step-by-step explanation:

The greatest common factor is the greatest number that will divide two values. We have two values 3B and 30B. Each has numbers which multiply together to give the number. We need to find the highest value or most in common they share. Each has the factors:

3B: 1,3,B

30B: 1, 3, 5, 6, 10, B

Both have 3 and B has factors. Our GCF is these two factors.

3 0
3 years ago
What is an inverse statement
shusha [124]

Answer:

1 | noun | a message that is stated or declared; a communication (oral or written) setting forth particulars or facts etc

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3 | noun | (music) the presentation of a musical theme

4 | noun | a nonverbal message

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4 0
3 years ago
Which equation can be used to solve for x in the triangle below?
belka [17]

Using the cosine rule, the equation to use to solve for x is: x = √(4.0² + 4.7² − 2(4.0)(4.7) × cos(41)) ≈ 3.1 cm.

<h3>How to Use the Cosines Rule to Solve a Triangle?</h3>

The cosine rule is given as, c = √(a² + b² − 2ab × cos(C))

Given the following:

  • c = x = ?
  • a = 4.0 cm
  • b = 4.7 cm
  • C = 41°

Plug in the values:

x = √(4.0² + 4.7² − 2(4.0)(4.7) × cos(41))

x ≈ 3.1 cm

Learn more about the cosine rule on:

brainly.com/question/23720007

#SPJ1

4 0
1 year ago
A line y=mx+b passes through point (−6, 4) and is perpendicular to y=−12x+10. What is the value of b?
Mademuasel [1]

Answer:34.5

Step-by-step explanation:trust me

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2 years ago
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