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Wittaler [7]
3 years ago
14

Find each sum or difference. Round to the place value of the less precise measurement. 7.79 km – 2.1 km

Mathematics
1 answer:
Aleksandr [31]3 years ago
5 0
7.79 km - 2.1 km = 5.69 km

Answer: 5.7 km
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What are the coordinates of the vertex of y = –x2 – 12x – 32?
BARSIC [14]

Answer:

The answer to your question is     Vertex = (-6 , 4)

Step-by-step explanation:

Data

Equation    y = -x² - 12x - 32

Process

1.- Add 32 units in both sides

                 y + 32 = -x² - 12x - 32 + 32

2.- Simplify

                 y + 32 = -x² - 12x

3.- Factor -1 in the right side

                 y + 32 = -(x² + 12x       )

4.- Complete the perfect square trinomial

                 y + 32 - 6²  = -(x² + 12x + 6²)

5.- Simplify

                 y + 32 - 36 = -(x + 6)²

                           y - 4 = -(x + 6)²

6.- Find the vertex

                          Vertex = (-6 , 4)

8 0
3 years ago
Which of the following is the explicit rule for the sequence -3, 5, 13, 21 ... *
TiliK225 [7]

Answer:

a_{n} = 8n - 11

Step-by-step explanation:

There is a common difference between consecutive terms in the sequence, that is

5 - (- 3) = 13 - 5 = 21 - 13 = 8

This indicates the sequence is arithmetic with n th term

a_{n} = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 3 and d = 8 , thus

a_{n} = - 3 + 8(n - 1) = - 3 + 8n - 8 = 8n - 11 ← note this is the second option, that is

f(n) = - 3 + 8(n - 1)

7 0
3 years ago
-3-6(4x+6)greater than or equal to -111
Stels [109]

Answer:

x=<3

Step-by-step explanation:

explanation in the pic!

4 0
3 years ago
Find the equation of the linear function represented by the table below in slope-
Anarel [89]

Answer:

y = 3x + 5

Step-by-step explanation:

slope:

11 - (-1) / 2 - (-2) = 12/4 = 3

slope intercept form is y = mx + b, so right now you have m = 3:

y = 3x + b

now, since you know x = -2 and y =-1 is a solution, you can plug those values in:

-1 = 3 * -2 + b

-1 = -6 + b

5 = b

This means the equation is y = 3x + 5

5 0
3 years ago
Read 2 more answers
1. a) Name the angle with the largest measure in the figure.
Afina-wow [57]

Answer:

The solution for x that I got is 7.6.

When substituted for x for the two equations, the angle measures are:

86, 38.4, and 55.6.

86 degrees is the largest angle measure.

7 0
1 year ago
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