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neonofarm [45]
3 years ago
15

Which ones are correct?

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
7 0

Answer:

120 x 10^3

7 x 10^5

9 x 10^4

Step-by-step explanation:

 

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The number of states that joined the United States between 1776 and 1849 is twice the number of states that joined between 1850
AlexFokin [52]

Answer: b. 2x = 30

Step-by-step explanation:

Given : <u>30 states</u> joined the United States between 1776 and 1849

and <u>x states</u> joined between 1850 and 1900 .

If the number of states that joined the United States between 1776 and 1849 is twice the number of states that joined between 1850 and 1900.

i.e. No. of states joined the United States between 1776 and 1849= 2 (No. of states that joined between 1850 and 1900)

i.e . 30=  2(x)          [Substitute the values]

i.e . 2x=30

Hence, the true equation : 2x=30

8 0
3 years ago
At First Class Pizza, 12% of the pizzas made yesterday were pepperoni pizzas. If 27 pizzas have pepperoni, how many pizzas were
gogolik [260]

Answer: 225

Step-by-step explanation:

Let the total number of pizza made be represented by x.

Therefore, the situation in the question can be written as:

12% × x = 27

12/100 × x = 27

0.12 × x = 27

0.12x = 27

Divide both side by 0.12

0.12x/0.12 = 27/0.12

x = 225

The total pizza made was 225.

3 0
3 years ago
The bank offers two kinds of checking accounts. Account A charges a fee of $.20 for each check that is written and has no monthl
Leya [2.2K]
Account A.....with 250 checks
0.20(250) = 50

Account B...with 250 checks
0.10(250) + 1.50 = 25 + 1.50 = 26.50

so by using Account B, u r saving (50 - 26.50) = 23.50
8 0
3 years ago
What is 4x+3(2x-1) -4x? This is a combining like terms equation by the way.
aksik [14]
4x+3(2x-1) -4x     3(2x-1)= 6x-3 -4x     4x+6x-4x=    6x-3
3 0
3 years ago
X/3 -6 =y<br><br> Solve for x
Paul [167]

Answer:

x= 3(y+6) or x = 3y + 18

Step-by-step explanation:

get the "x" by itself.

so first +6 on both sides of the equation to make it x/3=y+6

then multiply both sides by 3 to make it x=(y+6)*3

3 0
3 years ago
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