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Brrunno [24]
2 years ago
12

Simplify (a+3)-2(4+a)+5a_4​

Mathematics
1 answer:
Rainbow [258]2 years ago
5 0

Answer:

it is 4a-9....................

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4y-5x=-8
Dovator [93]

Answer:

4y−5x=−8

Step 1: Add -4y to both sides.

−5x+4y+−4y=−8+−4y

−5x=−4y−8

Step 2: Divide both sides by -5.

−5x

−5

=

−4y−8

−5

x=

4

5

y+

8

5

Answer:

x=

4

5

y+

8

5

Step-by-step explanation:

3 0
3 years ago
A triangle has sides of lengths 11 in., 59 in., and 61 in. Is the triangle a right triangle?
Evgesh-ka [11]
No No because it says a triangle has sides of length of 11 inch 59 and 61 inch is the triangle a right angle I mean triangle well no because it says 11 or side to side should be equal in once I could be wrong so it’s not






4 0
1 year ago
Find the total surface area of the following cone. Leave your answer in terms of Pi. 4cm 3cm
castortr0y [4]

The triangle formed from the height of the cone and the radius of its base is a special 3,4,5 triangle. The slant height is 5cm.

Recall that the area of a circle = pi*r^2

Substitute 3 in for r

Area = pi * (3)^2 = 9pi

SA = pi*r*l + B

Substitute our values into the equation

SA = pi * 3 * 5 + 9pi

SA = 15pi + 9pi

SA = 24pi cm^2

5 0
2 years ago
Describe how to convert 2 liters per hour to milliliters per second. First convert liters to milliliters by multiplying by . The
aleksandrvk [35]
<span>First convert liters to milliliters by multiplying by 1000 mL/L . Then convert hours to seconds by dividing by 3600 seconds/hr. </span>

&#10;\frac{2 L}{1Hr}  * \frac{1000mL}{1L} *  \frac{1Hr}{3600sec} = \frac{5mL }{9sec}
7 0
3 years ago
Alex and Leandro purchase two matinee movie tickets. A matinee ticket costs , a drink costs , and a bag of popcorn costs . Defin
REY [17]

Answer:  (2p + 1.5d)  + (5*(2)) = T

Step-by-step explanation: (2p + 1.5d)  + (5*(2)) = T

Since there are no costs, i'll make up my own uwu;

Matinee = $5

Popcorn = $2

Drink = $1.5

T = total

(2p + 1.5d)  + (5*(2)) = T

2p ($2 for each bag of popcorn - p represents popcorn)

1.5d ($1.5 for each drink, - d represents drinks)

5*2 ( 5 * 2 because we are already given the amount of matinee tickets they buy.

5 0
3 years ago
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