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3 years ago

4 diff salds 7 kinds of pizza and 6 desserts how many options

Mathematics

1 answer:

babymother [125]3 years ago

8 0

I would say 168 is the answer.

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a right prism with a base perimeter of 9 units a height of 5 units and a total base of 16 square units has a surface area of how

slava [35]

The answer is 80 because of 16 times 5 that's how you get your answer

hope this helps :)

4 0

3 years ago

Find the measure of Angle B A. 50° B. 55° C. 60° D. 65°

kondaur [170]

Option B. 55° is the correct answer

Step-by-step explanation:

"The sum of interior angles of a triangle is always 180°"

Given

m∠A=(3x+1)°

m∠B=(2x-1)°

m∠C = 40°

We know that

m∠A+m∠B+m∠C=180°

Putting the values of angles

$(3x+1) +(2x-1) +40 = 180\\3x+1+2x-1+40 = 180\\5x+40=180\\$

Subtracting 40 from both sides

$5x+40-40=180-40\\5x=140$

Dividing both sides by 5

$\frac{5x}{5} = \frac{140}{5}\\x=28$

We have to find Angle B,

m∠B = 2x-1 = 2(28)-1 = 56-1 = 55°

Hence,

m∠B=55°

Option B. 55° is the correct answer

Keywords: Triangle, Interior angles

Learn more about triangles at:

#learnwithBrainly

8 0

3 years ago

What happens to the Law of Cosines if the known angle is 90 degrees?

poizon [28]

Answer:

See below.

Step-by-step explanation:

It transforms to the Pythagoras theorem.

c^2 = a^2 + b^2 - 2ab cos C

If C = 90, cos C = zero so the last term disappears.

c^2 = a^2 + b^2 - 2ab * 0

c^2 = a^2 + b^2.

8 0

3 years ago

At the beginning of the spelling bee there were 60 participants. One-third of the participants were eliminated during the first

lesya [120]

Participants = 60
.
First round:
1/3 of 60 = 20
or
60 x 1/3
= 60/3
= 20
60 - 20 = 40
There are 20 participants that are eliminated on the first sound and 40 participants to move on to the second sound.
.
Participants = 40
Second round:
1/4 of 40 = 10
or
40 x 1/4
= 40/4
= 10
40 - 10 = 30
There are 10 participants that are eliminated on the second round and 30 participants that is moving on to the next round.
.
Participants = 30
Third round:
1/6 of 30 = 5
or
30 x 1/6
= 30/6
= 5
30 - 5 = 25
There are 5 participants that are eliminated on the third round and 25 participants to move on to the fourth round.
:)

3 0

3 years ago

Slope = 2/3, passing through (7,4). Write an equation for the line in point-slope form.

Marat540 [252]

Answer:

y - 4 = (2/3)(x - 7)

Step-by-step explanation:

(see attached for reference)

we are given slope, m = 2/3 and point (x₁, y₁) is (7,4)

y - y₁ = m(x - x₁)

substituting the given values into the general equation

y - y₁ = m(x - x₁)

y - 4 = (2/3)(x - 7)

4 0

3 years ago