All categories

3 years ago

What’s the next step to solve the equation -2(n+3)= 9

Mathematics

2 answers:

elena-s [515]3 years ago

8 0

Answer:

-15/2

Step-by-step explanation:

The next step would be to distribute the negative two through the parenthesis,

-2n-6=9

then you add the six, -2n= 15

then you divide by 15 by negative 2 and get -15/2

denis-greek [22]3 years ago

5 0

Distribute the -2 into the equation in the parentheses

You might be interested in

Help Please!!!!!!!!!!!<br><br> Questions 9 and 10

Sphinxa [80]

Answer:

Step-by-step explanation:

1. ∠ACB ≅∠ECD ; vertical angles are congruent (A)

2. C is midpoint of AE ; given

3. AC ≅CE; midpoint divides the line segment in 2 congruent segments (S)

4.AB║DE; given

5. ∠A≅∠E; alternate interior angles are congruent (A)

6. ΔABC≅ΔEDC; Angle-Side-Angle congruency theorem

1. YX≅ZX; given (S)

2. WX bisects ∠YXZ; given

3. ∠YXW≅∠ZXW; definition of angle bisectors (A)

4. WX ≅WX; reflexive propriety(S)

5. ΔWYX≅ΔWZX; Side-Angle-Side theorem

3 0

2 years ago

I need help <br> 860 pounds + 4 gallons

Volgvan

Answer:

893.3816

Step-by-step explanation:

pretty sure your converting gallons into pounds and if that's the case 4 gallons is 33.3816 lbs so I added 860 + 33.38.16 then I got 893.3816

4 0

3 years ago

Arjun has to stick by his budget. his salary is $112,000 after taxes. he divides his

geniusboy [140]

I hope this helps you :)

6 0

3 years ago

Work out the value of 4(2x+3y) when x=8 and y=-3

meriva

4(2 x 8 + 3 x (-3))
4(16 + (-9))
4(7)
=28

8 0

3 years ago

Jenny watched a movie about aliens who never stop growing. Every alien is 10 centimeters tall at birth and grows exactly 8 centi

ss7ja [257]

Answer:

h = 10 + 8y

Step-by-step explanation:

Given that :

Height of ght if all alien at birth = 10cm

Growth rate per year = 8 cm

Let:

y = number of years since birth

h = alien's height in centimeter

Relationship between h and y

h = Initial height + (growth rate per year*number of years)

h = 10 + 8y

7 0

3 years ago