10x - 2(5x + 2) = 12

Mathematics

2 answers:

natulia [17]4 years ago

6 0

Answer:

There is no solution

Step-by-step explanation:

There is no number that can be put into X for it to equal 12

Bas_tet [7]4 years ago

4 0

Answer:

x=8

Step-by-step explanation:

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What is the 7th term of the geometric sequence where a1 = -625 and a2 = 125

kykrilka [37]

Since the sequence is geometric, there is some constant $r$ such that the sequence is recursively given by

$a_n=ra_{n-1}$

By this definition, you can recursively substitute into the right hand side the definition for $a_{n-1},a_{n-2},\ldots$ to find an explicit formula for the $n$ th term.

$a_n=ra_{n-1}=r^2a_{n-2}=r^3a_{n-3}=\cdots=r^{n-1}a_1=-625r^{n-1}$

You know the second term, which means you can find $r$ :

$a_2=-625r^{2-1}\implies125=-625r\implies r=-\dfrac15$

So, the 7th term of the sequence is

$a_7=-625\left(-\dfrac15\right)^{7-1}=-\dfrac1{25}$

8 0

3 years ago

A batch of cookies calls for 34 cup of flour. You want to make 12 of a batch.

Readme [11.4K]

Hey there

the answer is

(1/2)(3/4) = (3/8) of a cup

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OFFICIALLYSAVAGE2003

3 0

3 years ago

IF YOU ARE CORRECT I WILL MARK YOU AS BRAINLIEST! Look at the image below.

tekilochka [14]

Answer:

17 cubes

Step-by-step explanation:

first we do the volume of the rectangular prism to get 135/64.then we do the area of the cube to get 1/8 and now to get how many cubes it fills the prism. 135/64 divide by 1/8 you get 16.8 round off you get 17

8 0

3 years ago

Can i have help please

11Alexandr11 [23.1K]

Answer:

60 ft, 7.5 ft 67.5 ft

Step-by-step explanation:

1. 5*12=60 ft

2 5*3=15 15/2=7.5 ft

3 60+7.5=67.5 ft

8 0

3 years ago