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Svetllana [295]
3 years ago
14

Heyyy.... can someone help plz thx

Mathematics
2 answers:
olga_2 [115]3 years ago
6 0

3 and -4

Step-by-step explanation:

hope this helps!

blagie [28]3 years ago
4 0

Answer:

When a point gets reflected across the x-axis, the sign of its y-coordinate changes so the coordinates of Q' are (3, 4).

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Ricing & Sales Math Quiz
marta [7]

Answer:

b) $52.33

Step-by-step explanation:

(For bid 3 I think you meant $55)

50+52+55 = 157

157/3 = 52.33(.33 repeating)

Which rounds to $52.33

8 0
3 years ago
A car loses 15% of its original value each year. After one year, a car has a value of $13,600. What is the original value of the
brilliants [131]
X - 0.15x = 13600

solve for x

x = $16000
5 0
3 years ago
A fruitseller bought 50 kg of fruits.He sold 30 kg of fruits for the cost price of 35 kg of fruits and he sold the remaining qua
kirill [66]

Answer:

2% profit

Step-by-step explanation:

x = price

50kg = 50x

30kg => 35x

20kg => 16x

35x + 16x = 51x

51x - 50x = x

50x .............. 100%

x ...................... p%

p = 1×100/50 = 100/50 = 2%

3 0
3 years ago
Read 2 more answers
Suppose that the regression equation y = 16.99 + 0.32 x1 + 0.41 x2 + 5.31 x3 predicts an adult’s height (y) given the individual
umka21 [38]

Answer:

Step-by-step explanation:

It is given that the regression equation

y = 16.99 + 0.32 x_1 + 0.41 x_2 + 5.31 x_3

predicts an adult’s height (y) given the individual’s mother’s height (x1), his or her father’s height (x2), and whether the individual is male (x3 = 1) or female (x3 = 0).

The coefficient of x1 = 0.32 represents the increase in height of the child due to one inch increase in mother.

Similarly coefficient of x2 = 0.42 represents the increase in height of the child due to one inch increase in father.

and coefficient of x3 = 5.31 represents the increase in height of the child due to being a male than a female.

8 0
3 years ago
A piece of copper with a volume of 8.25 cm³ has a mass of 73.92 g. A piece of iron with a volume of 5 cm³ and has a mass of 39.3
skad [1K]
Density<span> = Mass ÷ Volume

</span>
4 0
3 years ago
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