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Blababa [14]
3 years ago
7

How do you balance these Chemical equations?

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:Zno C Zn co2

Step-by-step explanation:

C is a reducing agent, ZnO is an oxidizing agent. ; White, odorless solid.

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Broderick needs to solve the formula below for r. Which correctly describes the first step he should take?
mario62 [17]
R = radius
R = 1/2 of diameter
3 0
3 years ago
Joyce's investments earn 5% nominal annual return right now while the inflation rate is at 1%. If inflation increases to 5%, it
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Read 2 more answers
You bought a can of black beans last week that cost $1.34. This week, the store advertised a sale where 5 cans of beans cost $6.
Sonja [21]

Answer:

1. $1.2

2.  $0.14

Step-by-step explanation:

Step one:

given data

Black beans last week that cost $1.34

Step two:

This week's price

5 cans of beans cost $6.00

<u>The cost per can is</u>

= 6/5

=$1.2

<u>The difference in price</u>

=1.34-1.2

= $0.14

5 0
3 years ago
The ratio in a classroom is 5:4 <br> How many girls are there if there are 27 students?
kvasek [131]

Answer:

the answer depends if the ratio is 5 the answer is 15

if the ratio is 4 the answer is 12

Step-by-step explanation:

first add the ratios-5+4=9x

27 students

x=27/9=3

3*4 =12 or 3*5=15


please thank and mark brainliest if this helps!

4 0
4 years ago
Solve the equation 5(x+2)=6x+3x-14
Lapatulllka [165]

Answer: x = 6

Step-by-step explanation:

First step is to distribute the 5(x + 2).

5x + 10 = 6x + 3x - 14

The 6x and the 3x on the right can be combined.

5x + 10 = 9x - 14

Now add 14 to both sides to isolate the 9x.

5x + 24 = 9x

Subtract 5x from both sides.

24 = 4x

Divide by 4 to get x by itself.

6 = x

5 0
3 years ago
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