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Lelu [443]
3 years ago
8

Y = x + 3 4x + y = 18

Mathematics
1 answer:
Drupady [299]3 years ago
4 0

Answer:

x=3

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4x+x+3=18

(4x+x)+(3)=18(Combine Like Terms)

5x+3=18

5x+3=18

Step 2: Subtract 3 from both sides.

5x+3−3=18−3

5x=15

Step 3: Divide both sides by 5.

5x/5 = 15/5

x=3

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Mr. Mole left his burrow that lies below the ground and started digging his way at a constant rate deeper into the ground.
Marizza181 [45]

Answer:

A(t)=-1.8t-4.5

Step-by-step explanation:

Mr.Mole's digging can be described by a linear model of general equation:

A(t)=m*t+c

Where "m" is the rate at which he descends. Note that since the function A(t) measure his altitude relative to the ground, the rate "m" must be negative.

(m=-1.8)

A(t)=-1.8*t+c

The constant "c" is his starting position. To find this value, assign the given data at t = 5 min to the equation above

-13.5=-1.8*5+c\\c=-4.5m

Therefore, the function A(t) is described by the following formula:
A(t)=-1.8t-4.5

8 0
3 years ago
10+(17)-6-(-10)+(-19)
faltersainse [42]
27 - 6 is 21 and then 21 -(-10) which is really +10 is 31 and then 31 + (-19) is really 31 - 19 which is 12. So the answer 12. <span />
5 0
3 years ago
Disodvontage of Artificial Insemination​
oee [108]

Answer:

Potential risk of wasting expensive semen if corners are cut by breeder/vet. Failure because of poor clinical examinations of the breeding pair. The risk of artificial insemination being used for the wrong reasons. Frozen semen must be stored and thawed properly to maintain viability.

Step-by-step explanation:

hope it helped

can i please have a thanks, a 5 star, and a brainliest please... thank you

6 0
3 years ago
Help azap will mark as brainliest
Svetach [21]
B and C hopefully I'm right
6 0
3 years ago
A man on the deck of a ship is 14 ft above water level. He observes that the angle of elevation of the top of a cliff is 40 degr
topjm [15]

Answer:

The distance of the ship from the cliff is 38.465 feet

The height of the cliff is 46.28 feet.

Step-by-step explanation:

As shown in the figure attached d is the distance from the ship to the cliff, and h is the height of the cliff from the ship.

From trigonometry

tan(20^o)=\frac{14}{d}

d=\frac{14}{tan(20^o)}=38.465\:feet.\\\\\boxed{d=38.465ft}

This is the distance to the cliff.

And we have

tan(40^o)=\frac{h}{d}

since d=38.465ft

h=d*tan(40^o)=38.465*tan(40^o)=32.28ft

Ad the height of the cliff is just 14+h or

32.28+14=46.28 ft\\\\\boxed{height=46.28ft}

Which is the height of the cliff.

4 0
4 years ago
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