Given f(x)=(x+5)(x-2), what are the x-intercepts?
Answers
Answer:
The intercepts are -5 and 2
Step-by-step explanation:
Using the zero product property
f(x)=(x+5)(x-2)
0 =(x+5)(x-2)
0 = (x+5) 0=(x-2)
x = -5 x = 2
The intercepts are -5 and 2
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A box contain 170 pens. 6 children each take 4 pens Hiw many pens are left in the box
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In order to get 7.5% of 21, we just multiply 21 by 0.075 (since 7.5% ind decimal form is 0.075)
Then, we add that number to 21.
The answer is 22.575, which we can round to $22.58.
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If three times twice an unknown number equals 30, then the unknown number is 5.
What is the unknown number in the question ?
It is given that three times twice an unknown number equals 30.
Let the unknown number be x.
From the above information,
⇒ 3*(2x) = 30
⇒ 6x = 30
∴ x = 5
Thus the unknown number is 5 .
Therefore, if three times twice an unknown number equals 30, then the unknown number is 5.
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3x=30
divide by three on both sides and get
x=10
Answers
Figure 2
Figure 3
based on the pattern, how many toothpicks will Jan use in figure 20?
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Where Jan is using toothpicks to create patterns as shown below, He will need 79 toothpicks to complete figure 16. This is an arithmetic progression problem.
How to derive the Number of Toothpicks required for the 20th diagram
As indicated above, the given sequence is an arithmeticprogression.
It is also to be noted that each figure increases with a number of 4 toothpicks.
Thus, to find how many toothpicks will be required at the 20th figure, we need to use the following formula:
The nth term of an arithmetic sequence is given by the formula:
For this sequence:
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Full Question:
Although part of your question is missing, you might be referring to this full question:
Jan is using toothpicks to create patterns as shown below. Based on the pattern, how many toothpicks will Jan use in Figure 16?
See attached.
Answer:
63
explanation:
They are adding 2 triangles to each figure, you could do it the LONG way by adding 2 to each figure or use an explicit rule
Hope it helps!
Answers
Jocelyn needs 360 square feet of wood to cover her living room.
What is the area of the rectangle?
The area of a rectangle is defined as the product of the length and width.
The area of a rectangle = L × W
Where W is the width of the rectangle and L is the length of the rectangle
To determine the total square footage of the living room, we need to multiply the length by the width:
Area of living room = length x width
= 24 ft x 15 ft
Apply the multiplication operation, and we get
= 360 sq ft
Therefore, Jocelyn needs 360 square feet of wood to cover her living room.
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