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motikmotik
2 years ago
7

Solve the equation 3x+4=20​

Mathematics
2 answers:
Slav-nsk [51]2 years ago
4 0

Answer:

x=8

Step-by-step explanation:

Ilya [14]2 years ago
3 0

Answer:

3x + 4 = 20

<u> _-_4_-_ 4_</u>

 <u>  _3x</u>_ =<u>_ 16_</u>

       3         3

Step-by-step explanation:

x = <u> 16_</u>

       3

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2x=3x-29

-x=-29
Divide by negative one

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3 0
3 years ago
Given the binomials (x − 3), (x − 1), (x + 2), and (x + 3), which one is a factor of f(x) = 2x3 + 3x2 − 2x − 3?
Gelneren [198K]

Answer:

nswer:

(x-1) is factor of our function.

Step-by-step explanation:

We are given a function  and we are asked to find the correct factor from the given options.

Let us factor out our polynomial.

Therefore, (x-1) is correct choice for factor of our polynomial.

Step-by-step explanation:

6 0
2 years ago
In a chemical compound there are three parts zinc for every 16 parts copper by mass. A piece of the compound contains 320 g of c
Orlov [11]
<span>Total mass contains 320g copper. How many parts of 16g copper are there of the total mass of 320g copper? 320/16 = 20. There are 20 portions of 16g copper. (320/16) * 3 = 60g There are 60g of zinc in the compound.</span>
6 0
3 years ago
What does the Principle of Superposition tell us about relative ages of the strata in the cross-sections you were looking at? Ol
iogann1982 [59]

Answer:

1. The Principle of superposition states that a strata of rock is younger than the one over which it is laid.

2. The intrusion of the younger rock by the principle of cross-cutting relationship

3. The intrusion igneous rock arrived after the rock it is found in had already been in place and is stable.

Step-by-step explanation:

In geology, the Principle of superposition states that, in its originally laid down state, a strata sequence consists of older rocks over which younger rocks are laid. That is, a stratum of rock is younger than the stratum upon which it rests.

The principle of cross cutting relationships in a geologic intrusion occurrence, the feature which intrudes or cut across another feature is always than the feature it cuts across.

The reason is that based on the geologic time frame, the rock 1 which ws cut across by rock 2 was already in the geologic zone in a more steady state than rock , therefore it is older than the cutting rock 2.

6 0
3 years ago
Which transformation changes triangle ABD to triangle A'B'C'?
VARVARA [1.3K]

Answer:

Mostly answer is A but am confused btwn A and D I'll let you know when I'm sure

4 0
2 years ago
Read 2 more answers
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