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3 years ago

Write first four terms of an AP when the first term is -2 and common difference is O.

Mathematics

2 answers:

Nina [5.8K]3 years ago

6 0

<h3>Answer: -2, -2, -2, -2</h3>

Explanation:

If the common difference is 0, then we're adding 0 to each term to get the next term. However, adding 0 doesn't change the number. So that's why we have the same thing written four times.

As another example, let's say the common difference was 1 instead of 0. That would mean the first four terms are -2, -1, 0, 1 since we add 1 to each term to get the next one (eg: -2+1 = -1).

vovikov84 [41]3 years ago

4 0

Answer:

-2, -2, -2, -2.

Step-by-step explanation:

If the common difference (d) is 0 then all terms are the same as the first:-

AP = a, a + d, a + 2d, a + 3d

Here we have -2, -2+0, -2 + 2(0), -2 + 3(0)

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Which of the following illustrates the truth value of the given statements?

bekas [8.4K]

Answer:

T and F

Step-by-step explanation:

Hi! Maybe I am reading it wrong, but only 2 statements are given. The answer to these statements are true and false.

"A square root of 16 is 4."

$4^{2} =16$

4 squared, or 4 * 4 is equal to 16, and therefore this is true.

"The only square root of 9 is -3."

This is false. 9 has 2 square roots: 3 and -3.

$3^{2} =9\\-3^{2} =9$

3 * 3 = 9, and so does (-3) * (-3).

So we have T and F, which eliminates the second, third, and fourth choices, which means even without a last statement, A is your correct answer.

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3 years ago

If 32^2c= 8^c+7, what is the value of c

Leona [35]

$\bf 32^{2c}=8^{c+7}~~ \begin{cases} 32=2\cdot 2\cdot 2\cdot 2\cdot 2\\ \qquad 2^5\\ 8=2\cdot 2\cdot 2\\ \qquad 2^3 \end{cases}\implies (2^5)^{2c}=(2^3)^{c+7} \\\\\\ 2^{5(2c)}=2^{3(c+7)}\implies \stackrel{\textit{if the bases are the same, then so are the exponents}}{5(2c)=3(c+7)\implies 10c=3c+21} \\\\\\ 7c=21\implies c=\cfrac{21}{7}\implies c=3$

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3 years ago

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g100num [7]

Answer:its not

D, C,or A

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3 years ago

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Evaluate 2 p-q when p=17 and q=3.

BigorU [14]

Final answer:

The value of the expression is 31.

Step-by-step explanation:

Substitution is a process of putting the values of variable in the expression.

Given: p=17 and q=3

To find: value of 2p-q

We will substitute the values and simplify.

Putting the values of variables in the expression as

2p-q = 2x17-3 =34-3 = 31

For more check here: brainly.com/textbook-solutions/q-2-evaluate-2-p-q-p-17-q-govvt8

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2 years ago

The half-life of a radioactive substance is 200 years. There are 8000 grams of the substance initially. How many grams of the su

STALIN [3.7K]

Answer:

There are 2,000 grams left after 300 years.

Step-by-step explanation:

Giving the following information:

The half-life of a radioactive substance is 200 years. There are 8000 grams of the substance initially.

<u>First, we need to calculate the reduction of the substance each year:</u>

Yearly reduction= 8,000/400= 20 grams per year

<u>Now, for 300 years:</u>

300 year reduction= 20*300= 6,000

There are 2,000 grams left after 300 years.

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3 years ago

Write first four terms of an AP when the first term is -2 and common difference is O.​

Write first four terms of an AP when the first term is -2 and common difference is O.