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3 years ago

One Step Equations. One Step Addition. 1) x + 4 = 3 2) x + 7 = -3 3) x + 9 = 14

Mathematics

2 answers:

fiasKO [112]3 years ago

6 0

Answer:

1) x + 4 = 3

x = 3-4

x = -1

2) x = -3-7

x = -11

3) x = 14-9

x = 5

givi [52]3 years ago

5 0

1) X +4 = 3

X = -1

2) X+7 = -3

X = -10

3) X +9 = 14

X = 5

hope this helps , i am bad at explaining

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What is tan(x)-5=0<br> (With steps)

gizmo_the_mogwai [7]

$\tan x-5=0$
$\tan x=5$

Now before taking the inverse tangent of both sides, recall that

$\tan x=\tan(x\pm\pi)=\tan(x\pm2\pi)=\cdots=\tan(x\pm n\pi)$

where $n$ is any integer. This means that when taking the inverse tangent of $\tan x$ , instead of just $x$ , we would end up with

$\arctan(\tan x)=\arctan(\tan(x+n\pi))=x\pm n\pi$

So after doing so in the equation above, we're left with

$x\pm n\pi=\arctan5\implies x=\arctan5\pm n\pi$

As $n$ can be any integer, including negative integers, we can simply write

$x=\arctan5+n\pi,\,n\in\mathbb Z$

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4 years ago

You buy tomato sauce for $0.37 per ounce. One portion of potato gnocchi requires 2 ounces of tomato sauce. How much does the sau

Novay_Z [31]

Answer:

$0.74 = 74 cents

Step-by-step explanation:

The cost of one ounce of tomato = $0.37

1 portion of potato gnocchi requires 2 ounces of tomato sauce.

To find the cost of one portion of the potato gnocchi, we have to simply find the cost of 2 ounces of tomato sauce.

That is:

Cost = 2 * 0.37 = $0.74

Hence, one portion of potato gnocchi costs $0.74

Since $1 = 100 cents, the cost in cents will be:

0.74 * 100 = 74 cents

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4 years ago

Suppose the sale tax rate is 6%. How much sales tax would be charged for an item

s2008m [1.1K]

Answer:

B. $3.60

Step-by-step explanation:

Tax = 6%

Price = $60

Tax amount = 60*0.06 = $3.6

Correct answer: B. $3.60

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4 years ago

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inessss [21]

Answer:

Answer is D) I and II only.

Step-by-step explanation:

If C=5/9(F-32) that means that the temperature is increased by 5/9 of a degree every one F degree. Also II is right because of the laws of thermodynamics.

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3 years ago

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Verizon [17]

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