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Natasha2012 [34]
2 years ago
7

Help me out........1​

Mathematics
2 answers:
ipn [44]2 years ago
8 0

Answer:

17

Step-by-step explanation:

2x²+4x-7

-6²+(-12-7)

36+(-19)

17

Fiesta28 [93]2 years ago
6 0

Answer: -13

Step-by-step explanation:

2-(3^2)+4-3-7 = -13

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Sum of 13 and 3 times a number is 31. What is the number?
Volgvan

Answer:

13 + 3x= 31

Step-by-step explanation:

6 0
2 years ago
Please help it would mean a lot to me :)
Luda [366]

Answer:

a) TO = OP = 13

b) Height = 12

Step-by-step explanation:

a) Isosceles triangle TOP with base TP = 10 cm, side TO = OP = x cm.

Perimeter of triangle TOP = 36 cm

=> TO + OP + TP = 36

=> x + x + 10 = 36

=> 2x = 26

=> x = 13

=> TO = OP = 13 cm.

b) Apply Pythagorean theorem:

height^2 + (base/2)^2 = side^2 (height^2 + (TP/2)^2 = TO^2)

or

height^2 + (10/2)^2 = 13^2

or

height^2 + 25 = 169

or

height^2 = 144

or

height = 12

Hope this helps!

5 0
3 years ago
Please help me asap!!!
Dahasolnce [82]

Answer:

<em>P = 37 units</em>

Step-by-step explanation:

7 0
3 years ago
For the following graph , determine the coordinates of the vertex and the y intercept of the parabola.
Rus_ich [418]

Answer:

Vertex : 5

Y - intercept : (0,-4)

Step-by-step explanation:

-4 is on the y-axis.

Vertex is the maximum or the minimum point of the parabola.

7 0
2 years ago
Read 2 more answers
Suppose that a normal distribution has a mean of 20 and a standard deviation of 4. What is the z-score of 13?
Papessa [141]

Answer:

-1.75.

Step-by-step explanation:

The z-score = (n - m) / d  where n is the value (13) m = mean and d = standard deviation.

= (13 - 20) / 4

= -1.75  (answer)

5 0
2 years ago
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