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Alinara [238K]
2 years ago
9

Please help a. 6 b. 4 c. 8 d. 2

Mathematics
1 answer:
Ne4ueva [31]2 years ago
5 0

Answer:

a

Step-by-step explanation:

The base angles PHJ and PJH are congruent , meaning ΔaPHJ is isosceles and so

HP = JP, thus

3x - 6 = x + 2 ( subtract x from both sides )

2x - 6 = 2 ( add 6 to both sides )

2x = 8 ( divide both sides by 2 )

x = 4

Hence

HP = 3x - 6 = (3 × 4) - 6 = 12 - 6 = 6 → a

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60
D>0, there are 2 distinct real roots

Explanation:

3x2+6x−2=0
a=3,b=6,c=−2

The formula for discriminant is b2−4acSubstitute the given values.

b2−4ac
(6)2−4(3)(−2)
=60
therefore, D>0, there are 2 distinct real roots

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The three altitudes of ΔABC intersect at point F. Point F is the
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Question 6(Multiple Choice Worth 3 points)
Marianna [84]
<h3>Answer:</h3>

A net is shown with 3 rectangles attached side by side all with width 2 centimeters. The length of the first and third rectangle is 9 centimeters and the middle is 7 centimeters. Attached to the middle rectangle below are 3 rectangles with a length of 7 centimeters. The width of these rectangles are 9 centimeters, 2 centimeters, and 9 centimeters.

<h3>Step-by-step explanation:</h3>

The area of a rectangular prism is the area of 6 surfaces. That is, 3 pairs of surfaces. Each of the three pairs will have one of the sets of dimensions ...

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Which graph shows the solution to the inequality −2(2x+3)≤26?
krok68 [10]

Answer:

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Step 2: Add 6 to both sides.

−4x−6+6≤26+6

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Step 3: Divide both sides by -4.

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5 0
2 years ago
In a certain Algebra 2 class of 25 students, 13 of them play basketball and 11 of them play baseball. There are 4 students who p
Flauer [41]

Answer:

\frac{4}{5}

Step-by-step explanation:

Given: There are 2 classes of 25 students.

            13 play basketball

            11 play baseball.

            4 play neither of sports.

Lets assume basketball as "a" and baseball as "b".

We know, probablity dependent formula; P(a∪b)= P(a)+P(b)-p(a∩b)

As given total number of student is 25

Now, subtituting the values in the formula.

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taking LCD as 25 to solve.

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∴ P(a∪b)= \frac{4}{5}

Hence, the probability that a student chosen randomly from the class plays both basketball and baseball is \frac{4}{5}.

6 0
3 years ago
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