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uranmaximum [27]

3 years ago

10

gavusto was asked to generate several expressions that would be equivalent to the one below for each of his expressions determin

e whether they are in fact equivalent Mark yes or no. 6x + 9x - 18y

2 answers:

Ludmilka [50]3 years ago

7 0

Honestly.. just use photomath

OLEGan [10]3 years ago

3 0

Answer: true

Step-by-step explanation:go go go

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Amanda [17]

The answer is E because during 5:00-9:00 the temperature didn’t change

7 0

2 years ago

Worth 14 points please help I need a expert

lesantik [10]

Answer:

x=13

Step-by-step explanation:

we can guess that the three angles are a linear pair and equal 180

in this case we can start writing a equation

x+105+62=180

now we can subtract both whole numbers from 180 but that takes longer, so we will combine the whole numbers on the left side.

x+167=180

now we can go ahead and subtract 167 from both sides. by doing so, it isolates the x and gives you your answer

180-167=13

so... x=13

4 0

2 years ago

Find the sumofthe geometrical progression of five terms, of which the first term is 7 and the multiplier is 7.Verify that the su

777dan777 [17]

Answer:

The sum of first five term of GP is 19607.

Step-by-step explanation:

We are given the following in the question:

A geometric progression with 7 as the first term and 7 as the common ration.

$a, ar, ar^2,...\\a = 7\\r = 7$

$7, 7^2, 7^3, 7^4...$

Sum of n terms in a geometric progression:

$S_n = \displaystyle\frac{a(r^n - 1)}{(r-1)}$

For sum of five terms, we put n= 5, a = 7, r = 7

$S_5 = \displaystyle\frac{7(7^5 - 1)}{(7-1)}\\\\S_5 = 19607$

The sum of first five term of GP is 19607.

Verification:

$2801\times 7 = 19607$

Thus, the sum is equal to product of 2801 and 7.

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3 years ago

Which number is the BASE?<br> 23=8<br> 8

ICE Princess25 [194]

Answer:

Step-by-step explanation:

For example, the base-8 numeral 23-8 contains two digits, "2" and "3", and with a base number (subscripted) "8". When converted to base-10, the 23-8 is equivalent to 19-10, i.e. 23-8 = 19-10.

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The effect of drugs and alcohol on the nervous system has been the subject of considerable research recently. Suppose a research

Ymorist [56]

Answer: The answer is not to have drugs

Step-by-step explanation:

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3 years ago