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3 years ago

(15 Points)

Mathematics

1 answer:

Serga [27]3 years ago

7 0

Not direct answer but

this is how I think

radius = 4 so AC is also 4

You can find with this

2π ( 4 ) ( 51°/360°) = Answer

Actually I am lazy to calculate (◔‿◔)

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8) Solve using the Quadratic Formula. x2 + 3x - 5 = 0

maks197457 [2]

Step-by-step explanation:

$x^{2} + 3x - 5$

For any quadratic equation $ax^{2} + bx + c = 0$ , the quadratic formula is as follows:

$\frac{-b \pm \sqrt{b^{2} - 4ac}}{2a}$

From the given quadratic equation, we know that $a = 1$ , $b = 3$ and $c = -5$ . Plugging in these values into the quadratic formula gives us the following:

$\frac{-(-3) \pm \sqrt{(3)^{2} - 4(1)(-5)}}{2(1)}$

$\frac{3 \pm \sqrt{9 + 20}}{2}$

$\frac{3 \pm \sqrt{29}}{2}$

6 0

3 years ago

Quadrilateral ABCD is inscribed in this circle.

Lana71 [14]

(6x+19)° + x° = 180°
7x° = 180°-19°
7x° = 161°
x = 23°

m∠B = 6(23) + 19
= 157°

3 0

3 years ago

Read 2 more answers

Stacy uses a spinner with six equal sections numbered 2, 2, 3, 4, 5, and 6 to play a game. Which of the following statements is

Blababa [14]

Answer: d is 8

Step-by-step explanation:

8 0

3 years ago

DOES ANYONE KN0W THE ANSWER? Thankyou :)

IRINA_888 [86]

Answer:

Probability ⇒ 3 / 22

Step-by-step explanation:

~ Let us use this Venn Diagram to our benefit ~

If 60 students are known to participate in both drama and sports, with 85 student in the drama club, and 200 in the sports teams;

Total Drama students ⇒ 85 students,

Drama students that are not in the sports teams ⇒ 85 - 60 = 25 students,

Total Sports Team students ⇒ 200 students,

Sports people not in Drama ⇒ 200 - 60 ⇒ 140 students

Now if there are a total of 330 students, we can find the students in neither club through such;

Total students in Drama and Sports ⇒ 85 + 200 = 285 students,

Students in Neither Drama nor Sports ⇒ 330 - 285 = 45 students,

Students in Neither Drama nor Sports ⇒ 45 students

This would mean the probability a students is neither in Drama nor Sports, is;

Probability ⇒ 45 / 330 = 3 / 22

5 0

3 years ago

3b-2a =7 solve for a:

Scorpion4ik [409]

Answer:

sln

3b-2a=7

3b-7=2a(divide by 2 both sides)

a=3b-7/2

3 0

3 years ago