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lora16 [44]
2 years ago
14

FIRST TO ANSWER (CORRECTLY) GETS BRAINLIEST :)) I NEED HELP ASAP THO SO PLS HELP

Mathematics
1 answer:
Alexandra [31]2 years ago
8 0

Answer:

C and E

Step-by-step explanation:

A.  5* 1/6-5/6

B. 5*2/3=3 1/3

C. 5* 5/3=8 1/3

D5*6/7=4 2/7

E. 5*7/5=7

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please help me if you can if your going to say I'm cheating i don't care cause i know I'm not thanks!!​
Colt1911 [192]

Answer:

13.9 sorry if I'm wrong just trying to help.

Step-by-step explanation:

first plug in your numbers

a*2+ b*2= c*2

12*12= 144

7*7=49

144+49= 193

square root of 193: 13.89244399

rounded to nearest tenth is 13.9

6 0
3 years ago
Mr. Smith is flying his single-engine plane at an altitude of 2400 feet. He sees a cornfield at an angle of depression of 30º. W
Svet_ta [14]

Answer:

Height of the fighter plane =1.5km=1500 m

Speed of the fighter plane, v=720km/h=200 m/s

Let be the angle with the vertical so that the shell hits the plane. The situation is shown in the given figure.

Muzzle velocity of the gun, u=600 m/s

Time taken by the shell to hit the plane =t

Horizontal distance travelled by the shell =u

x

t

Distance travelled by the plane =vt

The shell hits the plane. Hence, these two distances must be equal.

u

x

t=vt

u Sin θ=v

Sin θ=v/u

=200/600=1/3=0.33

θ=Sin

−1

(0.33)=19.50

In order to avoid being hit by the shell, the pilot must fly the plane at an altitude (H) higher than the maximum height achieved by the shell for any angle of launch.

H

max

=u

2

sin

2

(90−θ)/2g=600

2

/(2×10)=16km

4 0
2 years ago
Which equation has solution x = -3?
dybincka [34]
I don’t know the answer but I hope someone else does:)

7 0
2 years ago
I need help with this equation
OlgaM077 [116]

Step-by-step explanation:

whats the equation lol

4 0
3 years ago
Read 2 more answers
99/101 as a repeating decimal using bar notation to indicate the repeating digits
Tamiku [17]
0.9801. The "9801" is repeatin so just draw the repeating bar above those numbers.
7 0
3 years ago
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