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erik [133]
2 years ago
13

The density of liquid a is 8 pounds per gallon and the density of liquid b is 6 pounds per gallon. what quantity of liquid b wei

ghs the same as 30 gallons of liquid a?
Mathematics
1 answer:
Wittaler [7]2 years ago
5 0

40 gallons of liquid b weighs the same as 30 gallons of liquid a.

<h3>What is density?</h3>

A substance's density is defined as its mass per unit volume (more specifically, the volumetric mass density; also known as specific mass). Although the Latin letter D may also be used, the sign most frequently used for density is (the lower case Greek letter rho). Density is mathematically defined as mass divided by volume.

where m is the mass, V is the volume and D is the density, which is sometimes roughly characterized as weight per unit volume, while this is incorrect scientifically; this quantity is more precisely known as specific weight.

For liquid a,

8= mass/30

For liquid b,

6=mass/volume

For the two masses to be equal,

240=6*volume

volume=240/6

volume=40

Learn more about density here:

brainly.com/question/1354972

#SPJ4

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olivia has $180 to buy presents for her 3 sisters and 2 nephews. She wants to spend $15 more on each sister than she spends on e
koban [17]
So
if x is the number she spent on each sister and y is the number she spent on each nephew then
180=3x+2y

she wants to spend 15 dollars more on sisters than nephews
so
x=15+y
solve

we have
180=3x+2y and
x=15+y
subsitute 15+y for x

180=3(15+y)+2y
180=45+3y+2y
180=45+5y
minus 45 both sides
135=5y
divide both sides by 5
27=y

solve for x
x=15+y
x=15+27
x=42

she spent $42 on each sister
6 0
3 years ago
Write a function rule using function notation that will transform a geometric figure by rotating it 270 degrees clockwise. a f(x
zheka24 [161]

Answer:

a

Step-by-step explanation:

Under a clockwise rotation about the origin of 270°

a point (x, y ) → (- y, x ) , thus

f(x, y ) = (- y, x )

8 0
3 years ago
Pleassssssssssssssssssssse HELP QUICKLY PLEASSSSSSE
Ierofanga [76]

Answer:

7/6 or A

Step-by-step explanation:

2/3(9-6)-5/6= 7/6

6 0
2 years ago
Round 392 to the nearest ten
Bezzdna [24]
Nearest 10 is according to the last digit.
if the digit is >5, it +1 to the tenth digit. If it's <5, it will be reduced to 0.

for your case, 392, 2 < 5, therefore rounded up to nearest tenth is 390.
5 0
3 years ago
Read 2 more answers
I will give BRAINLEST TO WHO ANSWER !!!!!
Snowcat [4.5K]

Answer:

a=7 b=24 c=25

Step-by-step explanation:

Leg a=7

Leg b=24

According to Pythagorean theorem: a^2+b^2=c^2

49+576=c^2

C^2=625

c=25

8 0
3 years ago
Read 2 more answers
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