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kondaur [170]
3 years ago
7

Abdul drove four trips that totaled 426km. The second trip was 4 less than double the first. THE THIRD TRIP WAS DOUBLE THE SECON

D AND THE FOURTH TRIP WAS 18 MORE THAN TRIPLE THE FIRST HOW FAR WAS EACH TRIP
Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0
Say the first trip was x.
The second trip would be 2x-4.
The third would be 2(2x-4) = 4x-8
The forth would be 3x+18

The total of these would be x + 2x - 4 + 4x - 8 + 3x + 18
This can be simplified to 10x + 6

This means that 10x+6 = 426
Minus 6 from both sides
10x = 420
Divide both sides by 10
x = 42

Trip 1 = x = 42km
Trip 2 = 2x-4 = 84-4 = 80km
Trip 3 = 4x-8 = 168-8 = 160km
Trip 4 = 3x+18 = 126+18 = 144km
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The difference of the degrees of the polynomials p(x) = 3x2y2 + 5xy? - x6 and q(x) = 3x5 - 4x3 + 2 is
svet-max [94.6K]

Answer:

The difference of the degrees of the polynomials p (x) and q (x) is 1.

Step-by-step explanation:

A polynomial function is made up of two or more algebraic terms, such as p (x), p (x, y) or p (x, y, z) and so on.

The polynomial’s degree is the highest exponent or power of the variable in the polynomial function.

The polynomials provided are:

p(x) = 3x^{2}y^{2} + 5xy - x^{6}\\\\q(x) = 3x^{5} - 4x^{3} + 2

The degree of polynomial p (x) is:

\text{deg}\ p (x)=6

The degree of polynomial q (x) is:

\text{deg}\ q (x)=5

The difference of the degrees of the polynomials p (x) and q (x) is:

\text{deg}\ p(x)-\text{deg}\ q(x)=6-5=1

Thus, the difference of the degrees of the polynomials p (x) and q (x) is 1.

6 0
3 years ago
Anyone know the answer ?
vodomira [7]
Hello
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7 0
3 years ago
4) A bank is offering 3.5% simple interest on a savings account. If you deposit
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Answer:

B. $840

Step-by-step explanation:

Given that

Rate of simple interest = 3.5%

Principal amount = $12,000

Time = 2 year

To find:

Interest earned = ?

Solution:

Formula for Simple Interest is given as:

S.I. = \dfrac{PRT}{100}

Where P is the principal amount

R is the annual Rate of interest

T is the time for which principal was invested.

Here, we are given that:

P = $12,000

R = 3.5%

T = 2 years

Putting all the values in the formula:

SI= \dfrac{12000\times 3.5 \times 2}{100}\\\Rightarrow SI= 12\times 35 \times 2\\\Rightarrow SI  = \$840

So, answer is:

B. $840

4 0
3 years ago
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