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Svetllana [295]
3 years ago
11

I'm trying to figure out how much money I'm left with

Mathematics
1 answer:
Salsk061 [2.6K]3 years ago
6 0

the answer is 60.35, because the 70$ answer is how much you get after work, then the 62$ one is after you pay the 12$ for dinner but then the 60.35 is how much you’re left with after you leave the tip

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Solve the system of equations: y= x^2 + 2x - 3 and y=3x+ 3.
Semenov [28]

Answer:

(-2, -3)

(3, 12)

Step-by-step explanation:

To solve this, we're gonna get rid of the y's with substitution

x² + 2x - 3 = 3x + 3

Let's make this equation equal to zero

Subtract 3 from both sides

x² + 2x - 3 = 3x + 3

            - 3         - 3

x² + 2x - 6 = 3x

Subtract 3x from both sides

x² + 2x - 6 = 3x

    - 3x        - 3x

x² - x - 6 = 0

Factor the equation

(x - 3)(x + 2) = 0

This means x can be -2 or 3

Let's solve it with -2 first, plug the new x in y = 3x + 3

y = 3(-2) + 3

y = -6 + 3 = -3

Do the same for x = 3

y = 3(3) + 3

y = 9 + 3 = 12

3 0
1 year ago
Work out the size of angle x
kompoz [17]

Answer:

x = 117 degrees

Step-by-step explanation:

A triangle has 180 degrees in total.

A straight line is also 180 degrees in total.

180 - 101 = 79

Angles inside the triangle

79 + 38 = 117

180 - 117 = 63

63 degrees is the missing angle

x = 180 - 63

x = 117

6 0
3 years ago
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What is f(x) type in the number<br> X=3<br> F(x) =-2x+4<br> F(x)=
Monica [59]

Answer:

10

Step-by-step explanation:

10. ................ ..........

3 0
3 years ago
WILL MARK BRAINLIST FOR ANSWER!!!!!!!!!!<br> |2 1/3 x+0.3|=3.5
Natalija [7]
THE ANSWER ISSSS


1.37142
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Sally has three times as many dimes as nickels and twice as many quarters as dimes. In all she has $5.55.How many of each type o
OLEGan [10]
Sally has 3 nickels, 9 dimes, and 18 quarters
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3 years ago
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