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3 years ago

Find the value of x for which (4/5)-4 x (4/5)-7 =(4/5)2x-1 Can some1 say this ans fast plz

Mathematics

1 answer:

Elden [556K]3 years ago

8 0

Answer:

Fraction form: x = -21/4

Decimal Form: x = -5.25

Step-by-step explanation:

See the picture for steps :)

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F(1)=2 f(n+1) = f(n)+4 What is f(10)?

diamong [38]

9514 1404 393

Answer:

Step-by-step explanation:

The recursion relation describes an arithmetic sequence with a first term of 2 and a common difference of 4. The explicit formula for the n-th term of the sequence is ...

f(n) = f(1) +d(n -1) . . . . . for first term f(1) and difference d

f(n) = 2 +4(n -1) = 4n -2

Then the 10th term is ...

f(10) = 4(10) -2

f(10) = 38

8 0

3 years ago

A blank is a fraction with a denominator of one

WINSTONCH [101]

Answer:

Whole Number

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

Someone please help me I’m not good in math

Artist 52 [7]

The missing factor is (a -1) I believe. If you foil (5a + 9)(a - 1) you would get 5a^2 + 4a - 9.

7 0

3 years ago

A label covers the lateral surface area of a can. The can has a diameter of 2.6 inches and a height of 4 inches. What is the lat

eimsori [14]

Answer:

First of all, lateral means the sides of the can in this case.

Calculate the surface area of the can, subtract the area of the top and bottom which are two circles, and theres the answer!

Step-by-step explanation:

1. SA= 2πrh+2πr^2

= 2(π)(1.3)(4) + 2(π)(1.3^2)

= 43.29- (π1.3^2)^2

=15.09

Please note that ^(a number) means to the power of (that number). Hope this helps!

3 0

3 years ago

Read 2 more answers

Seis manzanas y 8 peras cuestan $26. ¿Cuanto cuesta cada pera y cada manzana sabiendo que cada manzana cuesta el triple de lo qu

Rom4ik [11]

Usando un sistema de ecuaciones, se encuentra que

Cada manzana cuesta $3.
Cada pera cuesta $1.

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Un sistema de ecuaciones soluciona esta pergunta.
El custo de una manzana es x.
El custo de una pera es y.

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Seis manzanas y 8 peras cuestan $26, o sea, $6x + 8y = 26$
Cada manzana cuesta el triple de cada pera, o sea, $x = 3y$

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Primero, encontramos el cuesto de una pera, substituyendo la segunda en la primera ecuación.

$6x + 8y = 26$

$6(3y) + 8y = 26$

$18y + 8y = 26$

$26y = 26$

$y = \frac{26}{26}$

$y = 1$

Cada pera cuesta $1.

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Cada manzana cuesta el triple de cada pera, o sea, $x = 3y = 3(1) = 3$ .

Cada manzana cuesta $3.

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2 years ago