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Stolb23 [73]
4 years ago
7

Select all the correct answers. Select all the Expressions that are equivalent to the polynomial below. (3x-7)(2x+8)

Mathematics
2 answers:
kodGreya [7K]4 years ago
8 0

Answer:4(x − 4) + 2(3x2 + 3x − 20)

(3x2 + 5x − 28) + (3x2 + 5x − 28)

(11x2 + 7x − 55) − (5x2 − 3x + 1)

Step-by-step explanation:

Leno4ka [110]4 years ago
4 0

Answer:

6x ² - 10x - 56

Step-by-step explanation:

(3x -7) (2x +8)

To expand this, each term in the first bracket would multiply the other bracket.

3x(2x +8) -7( 2x + 8)

6x ² + 24x - 14x - 56

6x ² + 10x - 56

I hope this was helpful, Please mark as brainliest²

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Please answer fast, I need great answers!!!!! This is mathematics.
Fantom [35]
20, 25, 30, 30, 31, 40, 41, 49
median = 30.5

lower IQR = 27.5
upper IQR = 40.5

Range IQR = 40.5 - 27.5 = 13

answer is 13
7 0
3 years ago
You are biking to the park. After six minutes 40% of the distance still need to be traveled. How long does it take to bike to th
nikklg [1K]

Answer:

y = (100-10x)\%

It takes <em>10 minutes</em> to the park.

Step-by-step explanation:

Given that:

Time taken = 6 minutes

Distance left to be traveled = 40%

To find:

The equation to represent the distance y, that still needs to be traveled after x minutes.

Solution:

As per given statement, distance traveled in 6 minutes = 60%

We can say that:

Distance traveled each minute = \frac{60\%}{6} = 10%

After 1 minute, distance traveled = 10%

Distance left = 100 - 10 = 90%

After 2 minutes, distance traveled = 20%

Distance left = 100 - 20 = 80%

After x minutes, distance traveled = 10x%

Distance left, y = (100 - 10x)%

Therefore, the equation is:

y = (100-10x)\%

Time taken by the bike to reach to the park can be found by putting y = 0 (i.e. distance left to be traveled = 0)

0 = 100 -10x\\\Rightarrow 10x = 100\\\Rightarrow x = \bold{10\ minutes}

8 0
3 years ago
1. The graph shows the cost to rent a jetski for different
Shkiper50 [21]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Name angle 2 in as many different ways as possible
Artist 52 [7]
Acute is one way struggling to find any more
7 0
3 years ago
A dragon was tamed by Dumbledore to guard his home. The dragon guarded the home on the condition that Dumbledore feed him 4 piec
morpeh [17]

Answer: 29 cows

Step-by-step explanation:

First we need to know how many pieces of meat will be needed. But before that, we need to know how many hours are in these 30 days. 24 hours per day so, 30*24=720 hours. 720 hours and 4 pieces of meat per 10 of those hours. We can do 720/10=72, then, 72*4=288. That means we need 288 pieces of meat, if each cow gives you ten, then we can round 288 to the nearest ten which is 290, then, 290/10 is 29. This means that Dumbledore needs 29 whole cows.

<em>(Yer a wizard Harry)</em>

4 0
4 years ago
Read 2 more answers
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