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alexira [117]
3 years ago
15

-5 (3x – 4) + 4 = 69

Mathematics
2 answers:
boyakko [2]3 years ago
8 0

Answer:

x = -3

Step-by-step explanation:

-15x + 20 + 4 = 69

-15x + 24 = 69

-15x = 69 - 24

-15x = 45

x = 45/-15

× = -3

sleet_krkn [62]3 years ago
7 0

Answer:

-5

Step-by-step explanation:

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The owner purchases 5 buckets, 10 brushes, 48 towels, and 1 case of air fresheners for the car wash. The total cost of the purch
Allushta [10]
5 buckets at $2.89 = 5($2.89) = $14.45
10 brushes at $7.91 = 10($7.91) = $79.10
48 towels at $0.36 = 48($0.36) = $17..28

These three added together makes $110.83.  This leaves us $144.08-$110.83=$33.25 for the cost of the case of air fresheners.
8 0
3 years ago
PLEASE HELP!!!!! !!!!!!!!!!!!
valina [46]

Answer:

31.9secs

6,183.3m

Step-by-step explanation:

Given the equation that models the height expressed as;

h(t ) = -4.9t²+313t+269

At the the max g=height, the velocity is zero

dh/dt = 0

dh/dt = -9,8t+313

0 = -9.8t + 313

9.8t = 313

t = 313/9.8

t = 31.94secs

Hence it takes the rocket 31.9secs to reach the max height

Get the max height

Recall that h(t ) = -4.9t²+313t+269

h(31.9) = -4.9(31.9)²+313(31.9)+269

h(31.9) = -4,070.44+9,984.7+269

h(31.9) = 6,183.3m

Hence the maximum height reached is 6,183.3m

3 0
3 years ago
How do you solve this equation -5=u+6
Naily [24]

Answer:

Step-by-step explanation:

u+6 = - 5               Subtract 6

u + 6 - 6 = - 5 - 6

u = - 11

Try thinking this as money. If you are 5 dollars in the hole and you borrow another 6 dollars, where are you?

The answer is that unless you pay your debt of 5 dollars, you are - 11 dollars in the hole.

8 0
3 years ago
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Which equation represents the line that passes through the points (6, 7) and (-3, -2)?
Scrat [10]

(6, 7) and (-3, -2)

1. Find the slope.

m = slope

m = (-2 -7)/(-3 -6)

m = -9/-9

m = 1

2. Plug the slope and one of the points into the equation y - y_1 = m(x - x_1).

y - 7 = 1(x - 6)

3. Solve for y.

y - 7 = x - 6

y = x - 6 + 7

y = x + 1

Answer is choice D.

6 0
2 years ago
HELPPPPP MEEEEEEE NOWWWWWWWWW HELPPPPPPPPPPPP
meriva

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See the file attached (photo) and analyze it! ☺️ , Have a Great Day! ☺️✨❤️

#CarryOnLearning

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<h3>→XxKim02xX</h3>

6 0
3 years ago
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