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madreJ [45]
3 years ago
9

What's the answer to this?

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0
The anwser is two...
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Jace gathered the data in the table. He found the approximate line of best fit to be y = –0.7x + 2.36.
MaRussiya [10]
The residual value is -1.14.
Plug 5 into x
y=-0.7(5)+2.36
=-1.14
3 0
3 years ago
Solve the equation by the Quadratic Formula. x^2+3=9x
Nadya [2.5K]

Answer:

Step-by-step explanation:

Rearrange the given x^2+3=9x in standard quadratic form:

1x^2 - 9x +3 = 0

Then the three coefficients are a = 1, b = -9 and c = 3.

The discriminant is √(b^2 - 4ac), or √(81 - [1][3]), or √78.

                                        ± √78

Thus, the roots are x = ----------------

                                               2

5 0
3 years ago
Read 2 more answers
Find the value of x, circles and angles
lorasvet [3.4K]

Answer:

x = 50

Step-by-step explanation:

When two secants intersect in the interior of a circle, the angles formed are the average of the arc an angle and its vertical intercept. In this case, our angle, 73, should be the average of x and 96. We can translate this to an equation and solve:

\frac{x+96}{2} = 73

x + 96 = 146

x = 50

4 0
3 years ago
A tower stand on a horizontal plane. P is the top and Q is the bottom of the tower. A and B are two points on this plane such th
pochemuha

Answer:

32√5

Step-by-step explanation:

We have the right triangles PQA and PQB as well as the given right triangle QAB.

cot(PAQ) = 2/5 = QA/PQ

cot(PBQ) = 3/5 = QB/PQ

cot(PAQ) / cot(PBQ) = (2/5) / (3/5) = 2/3

cot(PAQ) / cot(PBQ) = (QA/PQ) / (QB/PQ) = QA / QB

QA / QB = 2/3

QA = (2/3) QB

QB = (3/2) QA

By the Pythagorean Theorem we have:

(QA)² + 32² = (QB)²

(QA)² + 32² = (3/2 QA)²

(QA)² + 1024 = (9/4) (QA)²

(5/4) (QA)² = 1024

(QA)² = (4/5)1024 = 4096/5

QA = 64/√5

Solve for PQ.

cot(PAQ) = QA/PQ

PQ = QA / cot(PAQ)

PQ = (64/√5) / (2/5) = 32√5

The height of the tower is 32√5.

7 0
3 years ago
An athlete jumps vertically at t=0 from the ground and stays in the air for one second before landing on the ground again. The h
lawyer [7]

Answer:

The answer is B

Step-by-step explanation:

I just did the Quick Check, the attachment is the answer, np.

3 0
3 years ago
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