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Vladimir79 [104]
3 years ago
5

Which binomial is a factor of 100x2 – 49?

Mathematics
1 answer:
pentagon [3]3 years ago
6 0

Answer:

Step-by-step explanation:

What you have here is called "the difference of two squares"

Difference means subtraction and both 100x2 and 49 are perfect squares.

The factored form of 100x2-49 is

(10x+7)(10x-7)

Because 10x times 10x is 100x2 and 7 times 7 is 49

One factor has a + and

One factor has a -

It is a pattern worth memorizing!

So 10x + 7 is the factor you're looking for.

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Help is needed please!!! Thanks Find the number of pairs of integers (x,y) with 0 1-(5/y)
Olenka [21]

Answer:

Técnicas orales y de cálculo mental de multiplicación y división entera . ... conjunto de múltiplos de 10 es un subconjunto de los números pares. Si ... La clase vacía ∅ se representa por la notación 0, la clase unitaria por 1, la clase binaria por 2, etc. En ... 5 x (5 x (5 x (5 + 4) + 3 ) + 2) + 1 ; x significa el signo de multiplicar. 8.

Step-by-step explanation:

Técnicas orales y de cálculo mental de multiplicación y división entera . ... conjunto de múltiplos de 10 es un subconjunto de los números pares. Si ... La clase vacía ∅ se representa por la notación 0, la clase unitaria por 1, la clase binaria por 2, etc. En ... 5 x (5 x (5 x (5 + 4) + 3 ) + 2) + 1 ; x significa el signo de multiplicar. 8.

4 0
3 years ago
Mr. Loretta spends $4.83 on pens and notebooks. Pens cos $0.95 each. Notebooks cost $0.99 each. How many of each item does he bu
VMariaS [17]
<h2>The total number of items does he buy 5 (three pens and two notebooks).</h2>

Step-by-step explanation:

The total amount spend by Mr. Loretta = $4.83

The cost of each pen = $0.95 and

The cost of each notebook = $0.99 and

To find, total number of items he buy = ?

∴ The cost of one pen and one notebook = $0.95 + $0.99 = $1.94

The cost of two pens and two notebooks = $1.94 × 2 = $3.88

∴ The cost of three pens and two notebooks  = $3.88 + $0.95 = $4.83

Thus, the total number of items does he buy 5 (three pens and two notebooks).

4 0
3 years ago
LaTanya will walk (3 mi/hr) her bike from her house to the
Ostrovityanka [42]

Answer:

1.15 hr

Step-by-step explanation:

Given that:

To get bike fixed :

Speed = 3 miles per hour

Distance = 1.5 miles

Time taken = distance / speed

Time taken = 1.5 / 3 = 0.5 hour

Waiting time for repair = 30 minutes = 0.5 hours

Return home :

Speed = 10 miles per hour

Distance = 1.5 miles

Time taken = distance / speed

Time taken = 1.5 / 10 = 0.15 hour

Total time : (0.5 + 0.5 + 0.15) = 1.15 hr

4 0
3 years ago
what are the steps to solve 3.5(c-8)+c=12.5? I already went on a different website and found out the answer is nine. I plugged i
LekaFEV [45]
3.5(c-8)+c = 12.5
⇒ 3.5c- 3.5*8+ c= 12.5 (distributive property)
⇒ (3.5c+ c) -28= 12.5
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⇒ 4.5c= 40.5
⇒ c= 40.5/ 4.5
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The correct answer is 9~
7 0
3 years ago
Y = (x) = (1/16)^x<br> Find f(x) when x = (1/4)
Naddik [55]

Answer:

1/2

Step-by-step explanation:

(1/16)^x

Let x = 1/4

(1/16)^ 1/4

Rewriting 16 as 2^4

(1/2^4)^ 1/4

We know that 1 / a^b = a^-b

(2 ^ -4)^ 1/4

We know that a^b^c = a^(b*c)

2^(-4*1/4)

2^-1

We know that  a^-b = 1/ a^b

2^-1 = 1/2^1 = 1/2

7 0
3 years ago
Read 2 more answers
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