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kati45 [8]
3 years ago
13

(27x4 - 18x3 + 9x 2) = 3x Answer ASAP

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0

Answer:

x = 24

Step-by-step explanation:

27 x 4 = 108

18 x 3 = 54

9 x 2 = 18

108 - 54 + 18 = 3x

72 = 3x

72/3 = x

24 = x

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Which set of side lengths can be used to form a right triangle
leva [86]

Answer:

14, 48, 50

Step-by-step explanation:

To check which set of side length can be used to form a right triangle we use pythagorean theorem

c^2 = a^2 + b^2

biggest side (hypotenuse is c^2)

(a) 14, 48, 50

50^2 = 14^2 + 48^2

2500= 196+2304

2500= 2500 that is  true

(b) 30, 40, 60

60^2 = 30^2 + 40^2

3600= 900+ 1600

3600= 2500  that is false

(c) 14, 50, 60

60^2 = 14^2 + 50^2

3600= 196+2500

2500= 2196    that is false

(d)  10, 24,28

28^2 = 10^2 + 24^2

784=100+576

784=676    that is false

4 0
3 years ago
Amir stands on a balcony and throws a ball to his dog, who is at ground level. The ball's height (in meters above the ground), x
kumpel [21]

Answer:

12m

Step-by-step explanation

If the height of the ball after x seconds be modelled by the equation

h(x)=−(x−2)² +16

The height of the ball at the time it is thrown will be the height at the initial time. At that point that it is initially thrown the time is 0seconds i.e x = 0

To get the height at t x = 0seconds, we will substitute x = 0 into the modeled function to have;

h(0) = -(-0-2)²+16.

h(0) = -(-2)²+16

h(0) = -4+16

h(0) = 12

The height of the ball at the time the ball is thrown is 12m

4 0
4 years ago
Read 2 more answers
Tom can walk 5 blocks in 10 minutes. How many blocks can tom walk in 35 minutes
BigorU [14]

Answer:

he can walk 17m5 blocks in 35 minutes

8 0
3 years ago
Read 2 more answers
Solve:<br>p+ 7- 5= -10 - 3<br>please use an explanation so I know how to do this next time pleaasee​
skelet666 [1.2K]

Answer:

P = - 15

Step-by-step explanation:

P+7-5 = -10 - 3

P +2 = - 13

(If taking from one side,you must do to the other to get P alone.)

P+2 = - 13

-2 = - 2

The positive 2, minus the negative 2 cancels each other out, now we must subtract 2 from our other side. - 13 - 2 = - 15

P = -15

7 0
3 years ago
$3 is what percent of $4?
ozzi

Answer:

The answer is 3/4 = 75%

Step-by-step explanation:

3/4 = 75%

It is: 3/4 = 75%

4 0
3 years ago
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