3 years ago

Write the equation for twelve times h =100 and twenty minus thirty six

1 answer:

3 0

The equation would be 12h = 120 - 36

Your answer is h = 7
Because 120 - 36 = 84
and 84 / 12 = 7

Hope this helps!

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Carter is solving for x by the process of completing the square for the following

Ksenya-84 [330]

Answer:

The number that goes in place of the question mark is 2.

Step-by-step explanation:

Let's solve it!

3x² + 12x - 24 = 0

First we can factor 3 out of each term:

x² + 4x - 8 = 0

Now we'll add 12 to both sides to complete the square:

x² + 4x + 4 = 12

And finish it off:

(x + 2)² = 12

So the answer to the question is 2

Bonus:

We can also now solve this for x:

(x + 2)² = 12

x = √12 - 2

x = 2√3 - 2

x ≈ 2 × ±1.732 - 2

x ≈ 1.464, -5.464

3 0

2 years ago

Is 2,12 4,24 6,36 8,48 10,60 proportional

Elena L [17]

Answer:

Yes

Step-by-step explanation:

12 divided by 2 = 6, 24 divided by 4 = 6, 36 divded by 6 = 6, 48 divded by 8 = 6, 60 divided by 10 = 6.

All answers have 6 so yes it is proportional.

4 0

3 years ago

Divide £21 in ratio 3:4

xxMikexx [17]

3+4 = 7
so
21 / 7 3

3 x 3 = 9
3 x 4 = 12

answer
£21 in ratio 3:4 is £9:£12

3 0

3 years ago

There are 134 Girl Scouts going camping each cabin can hold 8 girls. How many cabins will they need for all the Girl Scouts? Sho

anyanavicka [17]

134 divided by 8 = 16.75, round it to nearest number
they would need 17 cabins

6 0

3 years ago

1. The cost of a chair is $315. Find the cost of 27 such chairs.

Fofino [41]

Answer:

$8505

Step-by-step explanation:

315 x 27 = $8505

7 0

3 years ago

Read 2 more answers