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2 years ago

A recipe uses 8 ounces of cocoa mix to make hot chocolate for 7 people what is the unit rate in ounces per person

Mathematics

1 answer:

Oduvanchick [21]2 years ago

4 0

Answer:

1.14285714286 ounces per person

Step-by-step explaination:

To find the unit rate, divide the numerator and denominator of the given rate by the denominator of the given rate

following this rule, 8 divided by 7 is 1.14285714286

Your assignment will probably ask you to simplify

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An inverted pyramid is being filled with water at a constant rate of 25 cubic centimeters per second. The pyramid, at the top, h

UNO [17]

Answer:

$\frac{225}{16} cm/s$

Step-by-step explanation:

We are given that

$\frac{dV}{dt}=25cm^3/s$

Side of base=4 cm

l=w=4 cm

Height,h=12 cm

We have to find the rate at which the water level rising when the water level is 4 cm.

Volume of pyramid= $\frac{1}{3}lwh=\frac{1}{3}l^2h$

$\frac{l}{h}=\frac{4}{12}=\frac{1}{3}$

$l=\frac{1}{3}h$

Substitute the value

$V=\frac{1}{27}h^3$

Differentiate w.r.t t

$\frac{dV}{dt}=\frac{3}{27}h^2\frac{dh}{dt}$

Substitute the values

$25=\frac{1}{9}(4^2)\frac{dh}{dt}$

$\frac{dh}{dt}=\frac{25\times 9}{16}=\frac{225}{16} cm/s$

5 0

3 years ago

Find the missing sides and calculate the perimeter.

aleksandr82 [10.1K]

Answer:

the missing longest side is 7 and the shorter missing side is 3 and the perimeter is 26cm brainliest plz

4 0

2 years ago

Pls help i need to pass

Phoenix [80]

Answer:

d x=+-3

Step-by-step explanation:

divide both sides by 2

4 0

2 years ago

Read 2 more answers

Abraham has visited country somebody he has a cold or visiting at least 50 countries he plans to choose a school by visiting fiv

Ipatiy [6.2K]

Question:

Abraham has visited at least 50 countries; he plans to visit five new countries per year (Y) for the next several years. Which inequality and solution shows the amount of years they will take for Abraham to meet his goal.

Answer:

$Countries \geq 50 + 5y$

$y \leq 29$

Step-by-step explanation:

Given

$Countries = 50$ ------ at least

$Yearly =5$

Required

Represent as an inequality

"at least" means $\geq$

So the countries he has visited can be represented as thus;

$Countries \geq 50$

1 year = 5 countries

y years would be 5y countries

So, in y years; he'd have visited

$Countries \geq 50 + 5y$

To determine the value of y.

We have that

$Countries = 195$ in the world

Substitute 195 for Countries

$195 \geq 50 + 5y$

Collect Like Terms

$195 - 50 \geq 5y$

$145 \geq 5y$

Divide through by 5

$145/5 \geq y$

$29 \geq y$

Reorder

$y \leq 29$

This means that; he'll visit all countries in at most 29 years' time

3 0

3 years ago

PLEASE HELP!!! 20 POINTS WILL BE GIVEN!

77julia77 [94]

SI = PRT /100

1. SI = 400*5*1/100
= 2000/100
= $ 20

2. SI = 1000*8.5*3/100
= 25.5*1000/100
= $ 255

3. SI = 200*9*1/2*100
= 900/100
= $9

4. SI = 20000*12*3/100
= 200*12*3
= 7200

5. SI = 1200*4.5*6/12*100
= 4.5*6
= $27

Amount to pay = Principal + SI
= 1200+27
= $1227 ( But this answer isn't there in the options )

4 0

3 years ago

Read 2 more answers