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egoroff_w [7]
3 years ago
10

17x2 + 7x - 14 This algebra 1

Mathematics
1 answer:
Anika [276]3 years ago
4 0

Answer:

x = 2.857 [rounded]

Step-by-step explanation:

17 x 2 = 34.

Next, we combine.

34 - 14 = 20.

Lastly, we divide 20 by 7.

20 / 7 = 2.857

<em>[The answer </em><em>is</em><em> </em><em>a</em><em> </em><em>decimal</em><em> </em><em>that</em><em> </em><em>doesn't</em><em> </em><em>end</em><em>,</em><em> </em><em>but</em><em> </em><em>I</em><em> </em><em>rounded</em><em> </em><em>it</em><em> </em><em>for</em><em> </em><em>simplicity</em><em>.</em><em>]</em>

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What are the factors of x2 − 25?
german

Answer:

)x + 5)(x - 5)

Step-by-step explanation:

x² - 25 ← is a difference of squares and factors in general as

a² - b² = (a + b)(a - b), thus

x² - 25 = x² - 5² = (x + 5)(x - 5)

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Find the area of the triangle below.
fenix001 [56]

Answer:

area of a triangle is 1/2×h×b

Step-by-step explanation:

1÷2×12×13

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5 0
3 years ago
What is 3 multiplied by 3/8 as a mixed number
krek1111 [17]

Answer:

1 and 1/8

Step-by-step explanation:

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3 years ago
Considere as seguintes afirmações: I. O inverso de 0,2 é 5. II. O triplo de \frac{2}{5} é \frac{6}{15}. III. A metade de 0,5 é \
Alex777 [14]

Answer:

I e III

Step-by-step explanation:

Recebemos declarações na questão acima para considerar.

Declaração I. O inverso de 0,2 é 5.

Matematicamente, isso é escrito como:

1 / 0,2

0,2 = 2/10

Portanto: 1 ÷ 2/10 = 1 × 10/2

= 5

Afirmação 1 é verdadeira

Declaração II.

O triplo de 2/5 é 6/15.

Triplo de 2/5 = 2/5 + 2/5 + 2/5

= 2 + 2 + 2/5

= 6/5

= 1 1/5

Declaração II é falsa

III. A metade de 0,5 é 1/5

1/2 de 0,5

= 1/2 × 0,5 = 0,25

Convertendo em fração

= 0,25 = 25/100

= 1/4

Declaração III está correta

Portanto, as afirmações verdadeiras são I e III

8 0
3 years ago
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