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Dafna1 [17]
3 years ago
12

Work out the equation y=2x+7

Mathematics
1 answer:
lina2011 [118]3 years ago
8 0
Y=2x+7 is already in its simplest form. It can be used to graph.
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You buy 6 apples at $0.49/apple, 1 gallon of milk at $3.48/gallon, and 2 loaves of bread at $1.49/loaf. How much was your total
Makovka662 [10]

Answer:

Your total purchase was $9.40

Step-by-step explanation:

6 x 0.49 = 2.94

1 x 3.48 = 3.48

2 x 1.49 = 2.98

2.94 + 3.48 + 2.98 = 9.4

6 0
3 years ago
Im just looking for 25/4 (that's a fraction) divided in 3.
ANTONII [103]
Answer: 2.083
Have a good day :D
5 0
3 years ago
Read 2 more answers
Let sin(−θ)=−3/5 and tanθ>0. What is the value of cos(−θ)?
Jobisdone [24]

Answer:

The value of  Cos (-Ф) \dfrac{\textrm 4}{\textrm 5} .

Step-by-step explanation:

Given Trigonometric function as :

sin( - Ф ) = \frac{- 3}{5}

- sin Ф = \frac{- 3}{5}

So, sin Ф = \frac{ 3}{5}

Now, as sin Ф = \dfrac{\textrm perpendicular}{\textrm hypotenuse}

So ,  \dfrac{\textrm perpendicular}{\textrm hypotenuse} =  \frac{ 3}{5}

So, perpendicular = 3

And hypotenuse = 5

Now,<u> From Pythagoras Theorem</u>

Base ² = Hypotenuse² - Perpendicular²

Or, Base ² = 5² - 3²

Or, Base ² = 25 - 9

Or, Base ² = 16

∴  Base = \sqrt{16}

I.e Base = 4

Now, Cos Ф =  \dfrac{\textrm base}{\textrm hypotenuse}

So, Cos Ф =  \dfrac{\textrm 4}{\textrm 5}

Now , Since

Cos ( - Ф ) = Cos Ф

So,  Cos ( - Ф ) = Cos Ф =  \dfrac{\textrm 4}{\textrm 5}

Hence The value of  Cos (-Ф) \dfrac{\textrm 4}{\textrm 5} . Answer

6 0
2 years ago
I don't understand this quadratic functions question please help.
djyliett [7]
I think it would be b
6 0
3 years ago
A certain animal shelter has 28 cats and 46 dogs. how many dogs must be adopted and taken away from the animal shelter so that 7
postnew [5]
Make a box putt the 70% at the top on the ouside then sub 100%-70% the box should have 4 squares so then on the bottom of the box on the outside. it should be 30% then in the top left corner put 28 and under it 46 then do
46/28 × 70% over 1 see if that helps
3 0
3 years ago
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