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timofeeve [1]
2 years ago
8

Pls help me 20points

Mathematics
1 answer:
Leni [432]2 years ago
6 0

Answer:

your adding 4y for every 1x

Step-by-step explanation:

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If 6 sandwich rolls cost $1.44, how much will 26 rolls cost?
tresset_1 [31]

$6.24. This is because 1.44 / 6 = 0.24, and 0.24 x 26 = 6.24.

4 0
3 years ago
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Bobby earns $120 by shoveling 6 driveways. How much will he earn if he shovels 10 driveway
pogonyaev
120/6=20 20*10=200 
The answer is 200
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25 less than twice a number is equal to the number. What is the number?
belka [17]

Step-by-step explanation:

x = the number

2x - 25 = x

2x = x + 25

x = 25

8 0
2 years ago
Which of the following statements is false?
kramer

Option D

The sum of two irrational numbers is always rational is false statement

<em><u>Solution:</u></em>

<h3><u>The sum of two rational numbers is always rational</u></h3>

"The sum of two rational numbers is rational."

So, adding two rationals is the same as adding two such fractions, which will result in another fraction of this same form since integers are closed under addition and multiplication. Thus, adding two rational numbers produces another rational number.

For example:

\frac{1}{4} + \frac{1}{5} = \frac{9}{20}

rational number + rational number = rational number

Hence this statement is true

<h3><u>The product of a non zero rational number and an irrational number is always irrational</u></h3>

If you multiply any irrational number by the rational number zero, the result will be zero, which is rational.

Any other situation, however, of a rational times an irrational will be irrational.

A better statement would be: "The product of a non-zero rational number and an irrational number is irrational."

So this statement is correct

<h3><u>The product of two rational numbers is always rational</u></h3>

The product of two rational numbers is always rational.

A number is said to be a rational number if it is of the form p/q,where p and q are integers and q ≠ 0

Any integer is a rational number because it can be written in p/q form.

Hence it is clear that product of two rational numbers is always rational.

So this statement is correct

<h3><u>The sum of two irrational numbers is always rational</u></h3>

"The sum of two irrational numbers is SOMETIMES irrational."

The sum of two irrational numbers, in some cases, will be irrational. However, if the irrational parts of the numbers have a zero sum (cancel each other out), the sum will be rational.

Thus this statement is false

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=x%20%5C6%20-%201%20%3D%20%20x%20%5C4%20%2B%201%20%5C2" id="TexFormula1" title="x \6 - 1 = x \
skelet666 [1.2K]

Answer:

-18

Step-by-step explanation:

Hope it helps....................................................

6 0
1 year ago
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