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Romashka [77]
3 years ago
10

Which of the following polynomials is equivalent to the expression above?

Mathematics
1 answer:
poizon [28]3 years ago
3 0

Answer:

D) x² + 4x + 7

Step-by-step explanation:

2x + 6 + x² + 2x + 1

x² + 2x + 2x + 6 + 1

x² + 4x + 7

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ASAP!<br> find the slope of a line that is perpendicular to y=-1/2x+4
aliya0001 [1]

We know that :

Ф  Product of the slopes of two lines perpendicular to each other should be equal to -1

Let the slope of the line perpendicular to given line be : M

Given equation of the line : y = -1/2x + 4

This line is in the form : y = mx + c, where m is the slope and c is the y intercept

Comparing with y = mx + c :

we can notice that slope of the given line is -1/2

⇒   M × -1/2 = -1

⇒   M × 1/2 = 1

⇒   M = 2

<u>Answer</u> : Slope of the line perpendicular to given line is 2

8 0
3 years ago
PLEASE HELP!!!
Vilka [71]

Answer:

B)

Step-by-step explanation:

k > 11

Since the sign is > that means it's an OPEN circle

Since the sign is > that means it's going to the RIGHT

8 0
3 years ago
PLEASE HELP! I will give you the brainiest and A LOT of points! (Ch.5.3)
bearhunter [10]

Answer:

Multiplier = 1.75x (7/4).

7/8 cups butter, 4 and 3/8 ounces chocolate, 1 and 3/4 cups sugar, 7/8 teaspoons vanilla, 3 and 1/2 eggs (4 if rounded!), 1 and 5/16 cups flour.

Step-by-step explanation:

The ingredient list is for 16 brownies, but you need to make 28. This means you have to make 1.75x the amount (28/16), so all ingredient quantities need to be multiplied by 7/4 (1.75 in fraction form).

Butter: 1/2 * 7/4 = 7/8 cups

Chocolate: 5/2 * 7/4 = 4 and 3/8 ounces

Sugar: 1 * 7/4 = 1 and 3/4 cups

Vanilla: 1/2 * 7/4 = 7/8 teaspoons

Eggs: 2 * 7/4 = 3 and 1/2 eggs (if rounded, 4, as 3.5 rounds up)

Flour: 3/4 * 7/4 = 1 and 5/16 cups

3 0
3 years ago
Need help please answer ASAP!
sladkih [1.3K]

Let's see

  • 3x²-9x
  • 3x(x-3)

3x is one factor

  • Other one is x-3

#2

Mass of 1000 protons

  • 1000×Mass of one proton
  • 1.67×10^{-24}×10³
  • 1.67×10^{-21}g
6 0
3 years ago
Read 2 more answers
Please assist with this problem.<br><br>​
Flura [38]

Answer:

The answer to your question is:

Step-by-step explanation:

If the line is rotated, we get the perpendicular of the initial line.

See the attachment, the blue line is the original and the red one is the new line.

Process

new slope = 2/5

Point ( 0, 4)

                 (y - y1) = m (x - x1)

                 ( y - 4) = 2/5 (x - 0)

                 y - 4 = 2/5 x

                y = 2/5 x + 4             New line

8 0
3 years ago
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