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Vladimir79 [104]
3 years ago
5

Add parentheses to solve the equation 16+3*4-2+5=21

Mathematics
1 answer:
Shalnov [3]3 years ago
5 0

Answer:4

Step-by-step explanation:

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An appliance store sells lamps at $95.00 for two. A department store sells similar lamps at five for $250.00. Which store sells
snow_tiger [21]

Answer:

Appliance store has better rate than department store.

Step-by-step explanation:

Appliance store gives 2 for $95

So price of 1 will be = 95/2 = $47.5

Department store sells 5 for $250

So price of 1 will be = $250/5 = $ 50

So as a buyer we are in profit when buy from appliance store because we are at a profit of $2.5 per lamp.

I hope it will help you!

5 0
3 years ago
Timmy is helping his grandpa on his chicken farm. Timmy has to pack 66 eggs into cartons, minimizing the packing cost. He can us
Orlov [11]

The way to distribute the eggs at the lowest cost would be using 5 cartons of 12 eggs and 1 carton of 6 eggs.

Since Timmy is helping his grandpa on his chicken farm, and he has to pack 66 eggs into cartons, minimizing the packing cost, and he can use 12-egg cartons and 6-egg cartons, and two 12-egg cartons cost as much as three 6-egg cartons, to determine how many cartons of each should be used, the following calculation must be performed:

  • 2 x 12 = 3 x 6
  • 24 = 18
  • Thus, assuming as an example that a total of 2 cartons of 12 eggs and 3 cartons of 6 eggs cost $ 3, the value of each carton would be the following:
  • 3/3 = 1
  • 3/2 = 1.5  
  • 66/12 = 5.5
  • 5 x 1.5 + 1 x 1 = X
  • 7.5 + 1 = X
  • 8.5 = X

In this way, the way to distribute the eggs at the lowest cost would be using 5 cartons of 12 eggs and 1 carton of 6 eggs.

Learn more in brainly.com/question/4397825

5 0
2 years ago
What is the volume of the following triangular prism?
Eva8 [605]

Answer:

V=150cm^3

Step-by-step explanation:

First we need to find area of the triangle with a base of 4 cm and a height of 5cm, and then multiply that by the length of the prism of 15cm.

The area of the triangle is given by the  formula:

A_T=\frac{bh}{2}

where b is the base: b=4cm and h is the height: h=5cm

thus, in this case we have:

A_T=\frac{(4cm)(5cm)}{2}\\ \\A_T=\frac{20cm^2}{2} \\\\A_T=10cm^2

And now, the volume will be the area of the triangle multiplied by the length l=15cm of the prism:

V=A_T*l

Substituting the known values:

V=10cm^2*15cm\\V=150cm^3

The volume in cubic centimeters is 150.

4 0
3 years ago
Me not being a complete id.iot-
Aleks04 [339]

Answer:

im pretty sure the answer is d

Step-by-step explanation:

4 0
3 years ago
What would the answer be to 1/2+1/8-1/4
Inga [223]
The answer for that equation will be 0.375.
5 0
3 years ago
Read 2 more answers
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