brxxzykxren13 brxxzykxren13

11-07-2019
Mathematics

contestada

Solve the proportion.8/d = -12/30
A. -45
B. -20
C. -3.2

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

11-07-2019

Answer:

B. -20

Step-by-step explanation:

8/d = -12/30

We can use cross products to solve

8 * 30 = d* -12

240 = -12 d

Divide each side by -12

240/-12 = -12d/-12

-20 = d

Answer Link

Otras preguntas

Use a whole number, a fraction, one plus sign, and four 2's to make 23.

Eliza is a colonist who believes in the slogan taxation without representation is tyranny. Which decision by the British would Eliza probably welcome most?

A glacier advances toward the sea 0.004 mile anually. In 2010 the front of the glacier is 6.9 miles from the mouth of the sea. How far will it be from the sea i

what is 30000 divided by 40

Which answer is the solution set in simplest form? 4x-1/3=7/1 a 4/3 b 7/3 c 3/2 d 11/2

what amount do you compare when determining whether a solution is dilute or concentrated ?

list the following numbers in order from least to greatest 2.31, 2.13, 0.123, 3.12

How many countries are there

criticize the statements " interphase is a "resting period" for the cell before it begins mitosis"

identify the terms and like terms for z + 8 - 4z