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Komok [63]
3 years ago
15

Hat is a area model for 22x18

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0
396 is going to be your answer your welcome
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Having trouble with this, help please? <br><br> I will give brainliest.
yaroslaw [1]

Answer:

a)     7x-15=20

b)   \frac{20+15}{7}

c)  5

Step-by-step explanation:

4 0
1 year ago
Find the degree measure of each angle in the triangle.
Alex777 [14]

Answer:

  • ∠R = 56°
  • ∠Q = 90°
  • ∠S = 34°

Step-by-step explanation:

The given triangle is a right angled triangle.

So, the angles in the triangle are :

  • 90°
  • (2x + 38)°
  • (5x - 11)°

Solving according to <u>angle sum property</u>,

Sum of all angles in a triangle is 180°

\longrightarrow 90° + (2x + 38)° + (5x - 11)° = 180°

\longrightarrow 117° + 7x = 180°

\longrightarrow 7x = 180° - 117°

\longrightarrow 7x = 63°

\longrightarrow x = 9

Angles =

\longrightarrow 2(9) + 38

\longrightarrow 56°

\longrightarrow 5(9) - 11

\longrightarrow 34°

  • ∠R = 56°
  • ∠Q = 90°
  • ∠S = 34°

The angles are 56°, 90° and 34°.

4 0
2 years ago
Which expression results in a rational number?
Elodia [21]

Answer:

4

the fourth expression is a rational

8 0
2 years ago
Read 2 more answers
What inverse operation should be used to isolate the variable in the equation p − 20 = 50?
shutvik [7]

addition since inverse means opposite

3 0
3 years ago
Read 2 more answers
Textbook: Please write as an expression involving functions of Θ alone.
Setler [38]

Step-by-step explanation:

tan(Θ + 30°)

Use angle sum formula:

tan(A + B) = (tan A + tan B) / (1 − tan A tan B)

So we can write this as:

(tan Θ + tan 30°) / (1 − tan Θ tan 30°)

tan 30° = 1/√3, so:

(tan Θ + 1/√3) / (1 − 1/√3 tan Θ)

Multiply top and bottom by √3:

(√3 tan Θ + 1) / (√3 − tan Θ)

6 0
3 years ago
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