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Svet_ta [14]
4 years ago
10

Given: ABC is a right triangle with right angle C. AB = 18 centimeters and m∠A = 22 degrees.

Mathematics
2 answers:
Vika [28.1K]4 years ago
8 0
6.743=BC
this is the answer
Ksivusya [100]4 years ago
4 0

6.7- just took the test

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How to expand 3(2t+1)
Vlada [557]
Hey there :)

3 ( 2t + 1 )
We use what is called the distributive property to get rid of the parenthesis

We multiply the term outside the parenthesis by all terms inside
3 ( 2t ) + 3 ( 1 )

6t + 3 → Your answer
8 0
4 years ago
Alexis is knitting a blanket 2 meters long. Every 2 decimeters, she changes the color of the yarn to make stripes. How many stri
Aliun [14]

Answer:

There are 10 stripes in the blanket.

Step-by-step explanation:

We are given the following in the question:

Length of blanket = 2 meters

1 meter = 10 decimeter

Length of blanket in decimeter =

2\times 10 = 20\text{ decimeters}

Change of color = Every 2 decimeters.

Number of stripe =

=\dfrac{\text{Length of blanket}}{\text{Length of change of color of stripe}}\\\\=\dfrac{20}{2} = 10

Thus, there are 10 stripes in the blanket.

7 0
4 years ago
Evaluate 8a+3b-10+c^2when a =2,b=5,and c=4
trasher [3.6K]
8a+3b-10+c^2when a =2,b=5,and c=4:


(8)(2)+(3)(5)−10+42

=16+(3)(5)−10+42

=16+15−10+42

=31−10+42

=21+42

=21+16

=37


3 0
4 years ago
Read 2 more answers
Use the discriminant, b2 - 4ac, to determine which equation has complex solutions.
ruslelena [56]

Using the discriminant, the quadratic equation that has complex solutions is given by:

x² + 2x + 5 = 0.

<h3>What is the discriminant of a quadratic equation and how does it influence the solutions?</h3>

A quadratic equation is modeled by:

y = ax² + bx + c

The discriminant is:

\Delta = b^2 - 4ac

The solutions are as follows:

  • If \mathbf{\Delta > 0}, it has 2 real solutions.
  • If \mathbf{\Delta = 0}, it has 1 real solutions.
  • If \mathbf{\Delta < 0}, it has 2 complex solutions.

In this problem, we want a negative discriminant, hence the equation is:

x² + 2x + 5 = 0.

As the coefficients are a = 1, b = 2, c = 5, hence:

\Delta = 2^2 - 4(1)(5) = 4 - 20 = -16

More can be learned about the discriminant of quadratic functions at brainly.com/question/19776811

#SPJ1

3 0
2 years ago
Whoever gets this correct gets marked brainlest
Olegator [25]

Answer:

60 i think

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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