powelljajuan72 powelljajuan72

01-06-2020
Mathematics

contestada

Concrete is made by mixing cement sand and gravel in the ratio 5:9:13 how much cement is needed to make 324 ft of concrete

Respuesta :

Persona180 Persona180

01-06-2020

Answer:

156 ft

Step-by-step explanation:

5x+9x+13x=324

27x=324

x=12

13(12)=156

Answer Link

Otras preguntas

From - 12 surface sea level, a submarine descends 20 feet per minute. Where is the submarine in relation to sea level 7 minutes after it starts descending?

1. acheter un chemisier 2. acheter du maquillage 3. acheter un magazine 4. acheter une montre 5. déjeuner 6. envoyer une carte 7. retirer de l'argent 8. faire l

the arithmetic sequence ai is defined by the formula: a1= 2 ai= ai - 1 -3 find the sum of the first 335 terms in the sequence

evaluate the expression

s 31 T 114° R U v In the figure above, RT = TU. What is the value of x ? A) 72 B) 66 C) 64 D) 58

there are five marbles in a bag. three are green and two are yellow. you draw a marble, replace it, and then draw another. what is the probability of choosing a

Vernon turned thirteen. Over the next few years, what developmental change will he notice? He will grow gray hair. He will express ideas in simple sentences. Hi

Please prove the following trigonometric identity. [tex]\cos^2(5x)-\sin^2(5x)=\cos(10x)[/tex]

What is the meaning of this: "And to sink in it, should you burthen love----- Too great oppression for a tender thing"

50 Points | Use Markup If Possible | Giving Brainliest | Reporting False Answers |