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I am Lyosha [343]
3 years ago
12

Evaluate the Expression using the given values: 3x + y; use x = 1 and y.= 3

Mathematics
2 answers:
Amanda [17]3 years ago
7 0

Answer:

6

Step-by-step explanation:

3x + y =

= 3(1) + 3

= 3 + 3

= 6

dmitriy555 [2]3 years ago
7 0
3x + y
3(1) + 3
3 + 3
6
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The volume of a rectangular prism is 125 units ?. If the height is 25 units, what is the area,
Elza [17]

Answer:

The area of the base would be 5 units.

Step-by-step explanation:

To find the volume of a rectangular prism you would multiple the length, height, and width together. So, to find the area of one side divide one side length, 25, from the volume of 125 (125 ÷ 25), which equals 5 units.

3 0
2 years ago
Carolina y su mamá compraron tres tortas de sabores diferentes para la reunión con sus amigos del colegio. De la torta de naranj
Karo-lina-s [1.5K]

Answer: 2 1/5 partes  de torta

Step-by-step explanation:

Para contestar esta pregunta debemos sumar cada parte de torta:

0.7+9/12+6/8 =

Convertimos las fracciones en decimales, para tener todos los valores expresados de la misma forma. Dividiendo:

9/12=0.75

6/8=0.75

Sumamos :

0.7+0.75+0.75 = 2.2 partes = 2 1/5 partes

En conclusión, Carolina y sus amigos comieron 2 1/5 partes de torta.

5 0
3 years ago
How much profit will a store make on the sale of a flat screen TV that is marked up by 30% and then sold at a 20% discount if th
notsponge [240]

The flat screen TV that is marked up by 30% and 20% discount had a profit of $60 after being sold.

The mark up percentage is given by:

Mark up percentage = (selling price - cost price)/cost price

Since the original price is $1500, hence:

30% = (selling price - 1500)/1500

0.3 = (selling price - 1500)/1500

(selling price - 1500) = 450

Selling price = $1950

It was again sold at a discount of 20%:

Final selling price= 1950 - 20% of 1950 = 1560

Profit = 1560 - 1500 = $60

Hence $60 profit was made by the store for the sale of a flat screen TV.

Find out more at: brainly.com/question/15699405

7 0
2 years ago
Please help with the this give tiny explanation
Mila [183]

Answer:

21

first we begin from 1 to 100 we find 11 numbers contain 1 then we count 1s from 10 to 19 we get 9 numbers but there is an exciption in number 11 as it cotains 2 1s so thenumber of 1s is 21

5 0
3 years ago
Evaluate the summation of 25 times 0.3 to the n plus 1 power, from n equals 2 to 10..
makkiz [27]
\bf \sum\limits_{n=2}^{10}\ 25(0.3^{n+1})   \quad ?  <--- is that it?
5 0
2 years ago
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