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Novay_Z [31]
3 years ago
6

8" align="absmiddle" class="latex-formula">
​
Mathematics
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

9 + 3 = 12

6 + 8 = 14

Hope this helps!!

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A tree that was 30 meters high was broken so that the broken part was 7 times the length of the part that was left
nikitadnepr [17]

Answer:

Broken = 7x

Step-by-step explanation:

Left = x

x(7x) = 30

(7x² = 30)⅐

x² = 4.285

√x² = √4.285

x = 2.07

Left = 2.07 meters

Broken = 7 x 2.07 = 14.49 meters

i hope this is correct!

good luck on ur test!

5 0
3 years ago
What should replace x in the equation<br> + 2 = 7?
kodGreya [7K]

Answer:

5

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Complete the square to determine the maximum or minimum value of the function defined by the expression. x2 + 8x + 6
irga5000 [103]

Answer:

Minimum at (-4, -10)

Step-by-step explanation:

x² + 8x + 6

The coefficient of x² is positive, so the parabola opens upward, and the vertex is a minimum.

Subtract the constant from each side

x² + 8x = -6

Square half the coefficient of x

(8/2)² = 4² = 16

Add it to each side of the equation

x² + 8x + 16 = 10

Write the left-hand side as the square of a binomial

(x + 4)² = 10

Subtract 10 from each side of the equation

(x+ 4)² -10 = 0

This is the vertex form of the parabola:

(x - h)² + k = 0,

where (h, k) is the vertex.

h = -4 and k = -10, so the vertex is at (-4, -10).

The Figure below shows your parabola with a minimum at (-4, -10).

4 0
3 years ago
A car is going 50 miles per hour. A rate that describes this would have units of
ANTONII [103]

Answer:

A, I believe.

Step-by-step explanation:

it says both miles and hours are included

7 0
3 years ago
What is an algebra 2 test like? I’m taking one soon and I’m stressed out about it.
jarptica [38.1K]

well its pretty easy because you just have to remember the formula

i also in algebra 2

6 0
3 years ago
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