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PIT_PIT [208]
3 years ago
7

An example that illustrates speed

Mathematics
1 answer:
liraira [26]3 years ago
7 0

Answer:

<h2>light</h2>

Step-by-step explanation:

You might be interested in
What is the factored form of the expression?
Georgia [21]

Answer: The answer is (d) (4x+7)(7x+8).


Step-by-step explanation: Given equation to be factored is

28x^2+81x+56.

The given expression is quadratic, so we can factor it into two linear factors, by using the following factorisation rule.

x^2+(a+b)x+ab=(x+a)(x+b).

So, the given equation can be factorised using the above rule. The factorisation is as follows.

28x^2+81x+56\\\\=28x^2+49x+32x+56\\\\=7x(4x+7)+8(4x+7)\\\\=(4x+7)(7x+8).

Thus, the correct option is (d).





7 0
3 years ago
I NEED HELP ASAP
loris [4]

Answer:

V = PI*r2h

In plain english the volume of a cylinder can be calculated by squaring the radius, multiplying that value by PI, then multiplying by the height. You can also think of it as finding the area of a flat circle (PI * radius squared) and multiplying by the height to find volume.

Here is a step-by-step case that illustrates how to find the volume of a cylinder with a radius of 3 inches and a height of 5 inches. In this example PI will be 3.14.

V = pi * r2 * h

= pi * 32 * 5

= pi * 9 * 5

= 3.14 * 45

= 141.37 cubic inches

Step-by-step explanation:

The formula for the volume of a cylinder is V=Bh or V=πr2h . The radius of the cylinder is 8 cm and the height is 15 cm.

6 0
2 years ago
Find the first 5 terms in the following sequence: a1 = 23, a, an-1 + 7, n &gt; 2​
sasho [114]

Answer:

Step-by-step explanation:

ok ok ok ok ok ok

6 0
3 years ago
What is the slope of the line shown below?
Brrunno [24]
The slope is D) 4/11.
4 0
3 years ago
Read 2 more answers
Select the simplification that accurately explains the following statement.<br> (from clever)
gavmur [86]

Answer:

OPTION C

Step-by-step explanation:

We know that $  (\textbf{x}^{\textbf{a}} )^{\textbf{b}} \hspace{5mm}  \textbf{=} \hspace{5mm} \textbf{x}^{\textbf{a . b}} $

Also, $ \textbf{x}^{\textbf{a}}. \textbf{x}^{\textbf{a}}  \textbf{=} \textbf{x}^{\textbf{a + a}} \textbf{=} \textbf{x}^{\textbf{2a}}  $

Using the above two results, we can say that:

$ \sqrt{9} = 9^{\frac{1}{2}} $

$ \bigg ( 9^{\frac{1}{2}} \bigg )^2 = 9^{\frac{1}{2}}. 9^{\frac{1}{2}} $

$ = 9^{\frac{1}{2} + \frac{1}{2}} $            (Using (ii) result)

$ = 9^{1} = \textbf{9} $

Hence, OPTION C is the correct answer.

8 0
3 years ago
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