4 years ago

If the difference of a number and three is doubled, the result is four more than a number. Find the number

Mathematics

1 answer:

Gre4nikov [31]4 years ago

8 0

X/3y=4+z

That's what it seems to me. I'm only in high school though. Hope it helps.

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The number of bacteria (b) in a batch of refrigerated food is given by the function b(t) = 20t2 − 70t + 300, where t is the temp

Setler79 [48]

If the number of bacteria $b(t)$ is a function only of temperature $t$ , and the temperature $t(h)$ is a function only of time in hours $h$ , then

$b(t(h))=b(2h+3)=20(2h+3)^4-70(2h+3)+300$
$b(t(h))=320h^4+1920h^3+4320h^2+4180h+1710$

4 0

3 years ago

Need helppppppppppppppppp

Fudgin [204]

2x+3=-27
2x=-27-3
2x=-30
x=-15

7 0

3 years ago

You can use the commutative property to reorder the terms of an expression. James says that you can use the commutative property

Rashid [163]

By the commutative property of addition, Jame's claim is incorrect

<h3>What is the commutative property?</h3>

The commutative property of addition states that:

a + b = b + a

The expression is given as:

5m + 10

The equivalent expression is:

10 + 5m

This is properly represented as:

$5m + 10 = 10 + 5m$

Jame's claim can be represented as:

$5m + 10 = 10m + 5$

The above equation is not correct, for the commutative property of addition.

Hence, Jame's claim is incorrect

Read more about the commutative property at:

brainly.com/question/2475734

5 0

3 years ago

Find the length of the third side. If necessary, round to the nearest tenth. 5 and 9

Vlad1618 [11]

Answer:

is it a right triangle?

Step-by-step explanation:

7 0

3 years ago

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someone please help me with this if one person already answers then dont answer i only have a few points left and need it for sc

Viefleur [7K]

The answer should be -3

Hope this helps :)

7 0

3 years ago

Read 2 more answers