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2 years ago

5 plus 5 equals 10 ......................................

Mathematics

2 answers:

Maru [420]2 years ago

6 0

Answer:

yes 5+5=10 any problem

olga nikolaevna [1]2 years ago

5 0

Yes! 5+5 does equal 10. Imagine you had 5 pencils and you just got another 5 pencils. If you add all those pencils together you get 10 :)

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The winner of a gymnastics competition scored a total of 22.1 points. She won by 0.676 points.

weqwewe [10]

Answer:

21.424

Step-by-step explanation:

22.1 - 0.676 = 21.424

im not sure if it is correct but i think its like this

7 0

3 years ago

7) Una epidemia mató los 3/7 de las vacas de un granero y de las que le quedaron vendió 1/2. Si todavía le quedaron 24 vacas, ¿C

4vir4ik [10]

Answer:

Habían inicialmente 84 vacas. Murieron 36 vacas. 24 vacas fueron vendidas.

Step-by-step explanation:

Sea $x$ la cantidad inicial de vacas. De acuerdo con el enunciado, murieron tres séptimos de la cantidad inicial y la mitad de ese remanente fue vendida, quedando 24 vacas. Matemáticamente, tenemos las siguientes operaciones:

Cantidad inicial de vacas

$x = \frac{24}{\left(1-\frac{3}{7} \right)\cdot \left(1-\frac{1}{2} \right)}$

$x = 84$

Habían inicialmente 84 vacas.

Cantidad de vacas muertas

$y = \frac{3}{7}\cdot x$

$y = 36$

Murieron 36 vacas.

Cantidad de vacas vendidas

$z = \left(1-\frac{3}{7} \right)\cdot \frac{1}{2}\cdot x$

$z = 24$

24 vacas fueron vendidas.

8 0

3 years ago

Please help answer all of them! for BRAINLIEST and more!! (Question In picture)

ohaa [14]

Answer:

A)-7y^3-3y^2-2y-8

B)-7x^3y^3-12x^2y^2-xy

C)2xy^3+3xy^2-5

A)14x^2

B)15a^2+30ab

Step-by-step explanation:

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2 years ago

I WILL GIVE BRAINLIEST!!!

solmaris [256]

Answer:

45min

Step-by-step explanation:

just mutiply

8 0

3 years ago

Read 2 more answers

A scientist estimated that a mixture would need 4 milliliters of a chemical to balance. The actual amount needed was 7 millilite

Butoxors [25]

42.86% error was in the scientist's estimation.

Step-by-step explanation:

Given data;

Approx amount = 4 ml

Exact amount needed = 7 ml

Percentage error = $\frac{|Approx-Exact|}{Exact}*100$

$Percentage\ error=\frac{|4-7|}{7}*100\\Percentage\ error=\frac{|-3|}{7}*100\\Percentage\ error=\frac{3}{7}*100\\\\Percentage\ error=\frac{300}{7}\\Percentage\ error= 42.86\%$

42.86% error was in the scientist's estimation.

Keywords: error, percentage

Learn more about percentages at:

#LearnwithBrainly

6 0

3 years ago

Read 2 more answers