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musickatia [10]
3 years ago
7

What factor is missing? 24 + 12= ____(8+4)

Mathematics
2 answers:
Murrr4er [49]3 years ago
7 0

Answer:

3

Step-by-step explanation:

24 + 12 = ___(8+4)

36 = ___(12)

36/12 = 3

Svetach [21]3 years ago
3 0
3
Aoggianaiqos Ajaxzjka
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Please help me!!!!! <br>find the area of a square with a side length of 24.6 km
lubasha [3.4K]
It would be 24.6 ×24.6
it's 605.16
4 0
3 years ago
The perimeter of a rectangle is 72 in. The base is 3 times the height. Find the area of the rectangle
Dovator [93]

Answer:

243 in²

Step-by-step explanation:

Step 1. Calculate the<em> base and height </em>of the rectangle

We have two conditions:

(1)   2b+ 2h = 72 in

(2)           b = 3h               Substitute in (1)

2(3h) + 2h = 72               Remove parentheses

   6h + 2h = 72               Combine like terms

           8h = 72               Divide by 6

             h = 9 in             Substitute in(2)

             b = 3 × 9

             b = 27 in

Step 2. Calculate the area of the rectangle

A = bh

A = 27 × 9

A = 243 in²

The area of the rectangle is 243 in².

7 0
3 years ago
Shown is a pentagon, with the size of<br> each angle shown. Work out the largest angle.
algol13

Answer:

I think it would be the bottom left angle, x + 20 = 20x.

Why the others are smaller:

10x (x + 10)

12x (2x + 10)

10x (x + 10)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Please help me on #37. I know for A you would use the quadratic equation but I got the wrong answer.
ozzi
Δ = (8i)^2 - 4*(-25) => Δ = -36 +100 => Δ = 64 => x1 =(-8i + 8)/2 => x1 = -4i +4;
x2 = (-8i - 8)/2 => x2 = -4i-4; in this case, your solutions are complex conjugates.
6 0
3 years ago
• Which of the following equations represents a line that is perpendicular to
JulsSmile [24]

Answer:

C

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

y = - 4x + 9 ← is in slope- intercept form

with slope m = - 4

Given a line with slope m then the slope of a line perpendicular to it is

m_{perpendicular} = - \frac{1}{m} = - \frac{1}{-4} = \frac{1}{4}, hence

y = \frac{1}{4} x + c ← is the partial equation of the perpendicular line

To find c substitute (4, 5) into the partial equation

5 = 1 + c ⇒ c = 5 - 1 = 4

y = \frac{1}{4} x + 4 ← equation of perpendicular line → C

4 0
3 years ago
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