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4 years ago

50-0 ———(12.0-0) +0 = 12.0-0 Just a warm up

Mathematics

2 answers:

vagabundo [1.1K]4 years ago

8 0

$\frac{50}{12}$ x 12

the 12 in the numerator (top) and the 12 in the denominator (bottom) cross out so you are left with 50.

Answer: 50

Leviafan [203]4 years ago

4 0

this equals 50 /12

= 4 1/6 answer

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Find the approximate perimeter of ABC plotted below.

maksim [4K]

Answer:

B. 21.2

Step-by-step explanation:

Perimeter of ∆ABC = AB + BC + AC

A(-4, 1)

B(-2, 3)

C(3, -4)

✔️Distance between A(-4, 1) and B(-2, 3):

$AB = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AB = \sqrt{(-2 - (-4))^2 + (3 - 1)^2} = \sqrt{(2)^2 + (2)^2)}$

$AB = \sqrt{4 + 4}$

$AB = \sqrt{16}$

AB = 4 units

✔️Distance between B(-2, 3) and C(3, -4):

$BC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$BC = \sqrt{(3 - (-2))^2 + (-4 - 3)^2} = \sqrt{(5)^2 + (-7)^2)}$

$BC = \sqrt{25 + 49}$

$BC = \sqrt{74}$

BC = 8.6 units (nearest tenth)

✔️Distance between A(-4, 1) and C(3, -4):

$AC = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2}$

$AC = \sqrt{(3 - (-4))^2 + (-4 - 1)^2} = \sqrt{(7)^2 + (-5)^2)}$

$AC = \sqrt{47 + 25}$

$AC = \sqrt{74}$

AC = 8.6 units (nearest tenth)

Perimeter of ∆ABC = 4 + 8.6 + 8.6 = 21.2 units

8 0

3 years ago

The diameter of a circle is 34 millimeters. What is the circle's area? Use 3.14 for .

icang [17]

Answer:

907.46 mm2

Step-by-step explanation:

Area of circle = (¶d^2)/4

d = 34 mm

Therefore

Area A = (3.14 x 34^2)/4

= 907.46 mm2

6 0

3 years ago

Needing help, the secretary of the united states department of agriculture asked your teacher, "if a chicken-and-a-half can lay

Flura [38]

we are given that

3 chickens to lay 32 eggs

now, we can find number of eggs per chicken

number of eggs per chicken= (total eggs)/(total chicken)

so, we get

number of eggs per chicken is

$=\frac{32}{3}$

now, we can set up following

1.5 chicken : 1.5 eggs : 1.5 days

3 chickens : 3 eggs : 1.5 days

1 chicken : 1 egg : 1.5 days

Since, changing number of chicken won't affect time

time to lay eggs will always remain same

so,

for 1 chicken to lay $=\frac{32}{3}$ eggs

it takes

$=\frac{32}{3}*1.5 days$

$=16 days$ ..............Answer

8 0

3 years ago

The solution to an equation is 21

elena-14-01-66 [18.8K]

An solution to an equation = 21 would be something like 2p + 7

if you wanna know how to solve this
here is how:
Simplifying 2p + 7 = 21 Reorder the terms: 7 + 2p = 21 Solving 7 + 2p = 21 Solving for variable 'p'. Move all terms containing p to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + -7 + 2p = 21 + -7 Combine like terms: 7 + -7 = 0 0 + 2p = 21 + -7 2p = 21 + -7 Combine like terms: 21 + -7 = 14 2p = 14 Divide each side by '2'. p = 7 Simplifying p = 7

5 0

3 years ago

The following table shows the number of heart beats for 4 animals for example the pigs heart beats 225 times in 3 ‘minutes

xxTIMURxx [149]

Answer:

The cow's heart beats at a rate of 65 beats per minute.

Step-by-step explanation:

Pig: 225 ÷ 3 = 75, not right.

Horse: 180 ÷ 4 = 45, not right.

Cow: 520 ÷ 8 = 65, correct!

Dog: 540 ÷ 6 = 90, not correct.

So as we can see the cow is the right answer.

5 0

4 years ago

Read 2 more answers