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Vika [28.1K]
3 years ago
5

PLEASE HELP GEOMETRY WILL MARK BRAINLIEST!!!

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
8 0


3(9)+18=45
15(9)=135

45+135=180

h=9
rusak2 [61]3 years ago
6 0
18 + 18h = 180, subtract 18 from 180, then divide by 18 and that should give you 9. 

9 = h
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A ballplayer catches a ball 3.4s after throwing it vertically upward. with what speed did he throw it, and what height did it re
Daniel [21]

From the equation of motion, we know,

s=ut+\frac{1}{2}at^{2}

Where s= displacement

u= initial velocity

a= gravitational force

t= time

Displacement is 0 since the ball comes back to the same point from where it was thrown.  

A = -9.8m/s^{2} since the ball is thrown upwards.

Plug the known values into the equation.

=> 0=u\left ( 3.4 \right )+\frac{1}{2}\left ( -9.81 \right )(3.4^{2})

Solving for u gives :

u= 16.67 m/ sec ....... equation (1)

At maximum height, final velocity i.e v is 0

Time take to reach the top = \frac{3.4}{2} = 1.7 sec

v^{2}=u^{2}+2as

=> 0=(16.67)^{2}+2(-9.81)(s)

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4 0
3 years ago
!!!!!!!!!HELP ASAP!!!!!!! WORTH 20 POINTS
Juliette [100K]
F(x)=∛x

The domain will be all real numbers.

Answer: A) all real numbers.

Ej: if x=-8 ⇒∛-8=-2

8 0
3 years ago
Steven just got a new summer job painting fences in his neighborhood. He will be paid $7.25 an hour. His first customer paid him
mote1985 [20]

Answer:

a). The equation; 7.25 h-36.25=0

b). total number of hours Steven work=5 hours

Step-by-step explanation:

Part A

The expression for the total money earned is as follows;

T=E×h

where;

T=total earnings

E=earnings per hour

h=number of hours worked

In our case;

T=$36.25

E=$7.25

h=h

replacing;

36.25=(7.25×h)

36.25=7.25 h

The equation would be; 7.25 h=36.25, or 7.25 h-36.25=0

Part B

7.25 h=36.25

h=36.25/7.25

h=5

total number of hours Steven work=5 hours

5 0
2 years ago
Which expressions have a quotient of 4/5​
goblinko [34]

Answer:

  • b and e

Step-by-step explanation:

a. 5/2 ÷ 1/2  =

  • 5/2*2 =
  • 5

b. 6/9 ÷ 5/6

  • 2/3*6/5 =
  • 2*2/5 =
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c. 3/6 ÷ 2/5

  • 1/2 * 5/2 =
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d. 7 1/2 ÷ 6 =

  • 15/2*1/6 =
  • 5/(2*3) =
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e. 1 1/3 ÷ 1 2/3=

  • 4/3 ÷ 5/3 =
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  • 4/5
5 0
2 years ago
Read 2 more answers
Solve the simultaneous equations​
nexus9112 [7]

Answer:

Step-by-step explanation:

2x + 3y = 2

x = 2 - 3y /2

x + y = 0

substitute the value of x

\frac{2 \\- 3y}{2} + y = 0

2 - 3y + 2y = 0

2 = y

again,substitute the value of y

x = 2 - 3y / 2

=2 - 3*2 / 2

=2 - 6 / 2

=-2

6 0
2 years ago
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