Write an algebraic expression for the phrase "thirty less than the product of a number y and four".

Mathematics

2 answers:

zzz [600]3 years ago

8 0

Answer:

30-(y*4)

Step-by-step explanation:

replace thirty with 30. less than is - (minus). the product of a number y and four. replace four with 4. the product is the answer of the multiplication problem. so the multiplication problem here would be y*4. so the full answer is

30-(y*4)

Anarel [89]3 years ago

5 0

Answer: Y * 4 - 30 I believe is the correct expression.

Step-by-step explanation:

30 less is -30 of a number.

The product of Y and 4 looks like Y * 4.

The expression will as a result equal Y * 4 - 30.

It can also look like 4y - 30.

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What is the value of x? 5 sqrt 2 10 sqrt 2 5 10

vitfil [10]

Hey there! :D

So, basically, you could say that "x" is equal to both of the legs.

We also know that in 45-45-90 triangles, x*√2= the hypotenuse

Given this information, if we were to divide 10 by the √2, we would get:

10/√2= 7.071.....

5√2= 7.071....

5√2 is the answer.

I hope this helps!
~kaikers

6 0

3 years ago

X+4y=−3

VARVARA [1.3K]

Step-by-step explanation:

Substitute x = -3, y = -3 into the given equation:

$- 3 + 4( - 3) = - 3$