How many 25cm diameter cake tins will fit into 600mm by 500mm oven space

Answers

Answer 1

Answer: The surface of the oven space is 600 × 500 = 300000 mm^2 = 3000 cm^2;
The surface oh a cake tins is π × (25^2) = 625π ≈ 1963 cm^2;
3000 ÷ 1963 ≈ 1.5;
The anser is 1 cake tins fit into oven space.

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Which two numbers add up to -24 and multiple to -24

Answers

x + y = -24
xy = -24

$xy = -24$
$(xy)/(x) = (-24)/(x)$
$y = (-24)/(x)$

$x + y = -24$
$x + (-24)/(x) = -24$
$(x^(2))/(x) + (-24)/(x) = -24$
$(x^(2) - 24)/(x) = -24$
$-24x = x^(2) - 24$
$0 = x^(2) + 24x - 24$
$x = \frac{-(24) \± \sqrt{(24)^(2) - 4(1)(-24)}}{2(1)}$
$x = (-24 \± √(576 + 96))/(2)$
$x = (-24 \± √(672))/(2)$
$x = (-24 \± 4√(42))/(2)$
$x = -12 \± 2√(42)$
$x = -12 \± 2(6.5)$
$x = -12 \± 13$
$x = -12 + 13$ $or$ $x = -12 - 13$
$x = 1$ $or$ $x = -25$

  x + y = -24    or      x + y = -24
  1 + y = -24 or -25 + y = -24
- 1   - 1 + 25 + 25
y = -25     or    y = 1
  (x, y) = (1, -25) or (x, y) = (-25, 1)

The two numbers that add up to 24 are the numbers 1 and -25.

x + y = -24
xy = -24

$xy = -24$
$(xy)/(x) = (-24)/(x)$
$y = (-24)/(x)$

$x + y = -24$
$x + (-24)/(x) = -24$
$(x^(2))/(x) + (-24)/(x) = -24$
$(x^(2) - 24)/(x) = -24$
$-24x = x^(2) - 24$
$0 = x^(2) + 24x - 24$
$x = \frac{-(24) \± \sqrt{(24)^(2) - 4(1)(-24)}}{2(1)}$
$x = (-24 \± √(576 + 96))/(2)$
$x = (-24 \± √(672))/(2)$
$x = (-24 \± 4√(42))/(2)$
$x = -12 \± 2√(42)$
$x = -12 \± 2(6)$
$x = -12 \± 12$
$x = -12 + 12$ $or$ $x = -12 - 12$
$x = 0$ $or$ $x = -24$

  x + y = -24    or      x + y = -24
  0 + y = -24 or -24 + y = -24
- 0 - 0 + 24 + 24
y = 24    or    y = 0

The two numbers that multiply to -24 are the numbers 24 and 0.

Simplify this expression: 13 + (–12) – (–5) = ?
A. 6
B. –6
C. –30
D. 30

Answers

13 + (-12) - (-5)

13 - 12 + 5

1 + 5

= 6.

Answer is A)

13+(-12) is the same as 13-12 which is 1

1-(-5)

two negatives make a positive so this really means
1+5 which equals 6
=A.

Write an equation of the line that passes through the points (3,6) and (4,10) using function notation.A.) f(x) = 4x - 6

B.) f(x) = x + 4

C.) y = x + 4

D.) y = 4x - 6

Answers

Given:
(3,6)
(4,10)

x = 3, 4
y = 6,10

A.) f(x) = 4x - 6
f(3) = 4(3) - 6
f(3) = 12 - 6
f(3) = 6

f(4) = 4(4) - 6
f(4) = 16 - 6
f(4) = 10

The correct choice is A.

Check my answer please!Solve for x.

3/4x +1/4(x + 12) − 12 = 4x − 21

A. -3
B. 3
C. 4
D. 6

I think it's B I'm not sure though

Answers

The answer is C, 4.

you combine like terms and that is the answer you get.

If it costs $3 per hour to park in a parking lot, with a maximum cost of $12 Explain why the amount of time a car is parked is not a function of the parking cost

Answers

The cost of parking in a lot can be calculated as; Cost = cost rate x time. Let the time = t. When time, t = 1 hour, Cost = 3 x 1 = $3. When time, t = 2 hours, Cost = 3 x 2 = $6. When time, t = 3 hours, Cost = 3 x 3 = $9. When time, t = 4 hours, Cost = 3 x 4 = $12. When time, t = 5, Cost = 3 x 5 = $15 (notice, $15 has exceeded $12, but the maximum cost has to be $12). Thus, the cost of parking in a lot depends on the amount of time the car is parked and not vice versa. Therefore, the amount of time a car is parked is not a function of the parking cost because time is an independent variable and the cost of parking depends on the time the car is parked

Mrs. Thomas bought 2/4 yard of one fabric and 3/4 yard of a different fabric. How many total yards of fabric did she buy?

Answers

Plzz mark brainlest

Answer:

1 1/4

Step-by-step explanation:

You don't add the bottom one you have to dived it by two and it is a decmail one so you have to add it it and you want to keep the bottom and it is fifteen sone you want to add the one as the whole number and keep the one for the top and keep the bottom one so you will get 1 1/4 and I use this one and it was right!

It is 5/4 yards, you just add
When the denominator ( the bottom number ) is the same, just add the numerator ( the top number ) together :)
hope this help

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