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nadezda [96]
2 years ago
11

Gabby took a math quiz last week. There were 28 problems on the quiz and Gabby answered 25% of them correctly. How many problems

did Gabby get correct? problems
Mathematics
2 answers:
Ket [755]2 years ago
8 0

Answer:

7

Step-by-step explanation:

25% of 28 =

= 0.25 × 28

= 7

Answer: 7

shtirl [24]2 years ago
5 0
0.25x28

25 percent becomes 0.25 when u multiply it with 28 it equals to 7 so 7 is the answer
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How are the expressions 8 - 15 and 8 +(15) alike? How are they different?
Mama L [17]

Well, one thing they ahve in common is that they are both adding or subtracting the same numbers and of course, they are both expressions.

They are different because one expression is subtract both numbers while one expression is adding both numbers.

8 - 15 = -7

8 + 15 = 23

Best of Luck!

7 0
3 years ago
What is the area of this composite figure?<br> 5 cm<br> 12 cm<br> 3 cm<br> 3 cm<br> 2 cm<br> 2 cm
omeli [17]

Answer:

quit school its trash

Step-by-step explanation:

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3 0
3 years ago
1. add negative fraction with positive fraction
jok3333 [9.3K]

Given parameters:

        1.        -\frac{7}{8}  + \frac{1}{4}  

 

         -\frac{7}{8}  + \frac{1}{4}; find the LCM = 8

 

             =    \frac{-7  +  2 }{8}        

             =     \frac{-5}{8}

   

       2.   -\frac{12}{5}  + 15.3  

            Make the fraction decimal;

             -\frac{12}{5}   = -2.4

            So;

                        -2.4 + 15.3  = 12.9  

8 0
3 years ago
27
larisa [96]

Answer:

The original nimber is 67.

Step-by-step explanation:

Let the two digits be x and y.

According to the question.

The sum of two digits of a two digit number is

x + y = 13

or, x = 13 - y

And, a two digit number can be written as

x × 10 + y

when the digits are reversed, the number can be written as

y × 10 + x

the original number increases by 9. i.e.

y x 10 + x = x × 10 + y + 9

Replacing value of x by 13 - y,

y × 10 + 13 - y = 10(13 - y) + y + 9

10y + 13 - y = 130 - 10y + y + 9

9y + 13 = 139 - 9y

18y = 139 - 13

18y = 126

y = 126/18

y = 7

So, x = 13 - y

= 13 - 7

= 6

The original number is x × 10 + y = 6 x 10 + 7 = 67.

5 0
2 years ago
Simplify (-3/8) ÷ 5/9
kompoz [17]
0.20833 these how you simplify it!
6 0
3 years ago
Read 2 more answers
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