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Ket [755]
3 years ago
7

Please help!!! I’ll mark you the Brainlyest!!

Mathematics
2 answers:
Neko [114]3 years ago
6 0

Answer: I believe it's D

Hope this helps love

Tatiana [17]3 years ago
3 0

Answer: C.

Step-by-step explanation:

i hope this helpes!!

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9 unit percent change is 23, what is the 19th unit percent cahnge?
vichka [17]

Answer:

42.40705%

Step-by-step explanation:

(1 - (23/100)^(19/9) = 1 + r/100

0.57593 = 1 + r/100

r = 42.40705%

6 0
2 years ago
In a class of 40 students, the number of girls is 10 more than the number of boys. We have to find the number of girls and the n
Nadusha1986 [10]

Answer:

b=15 g=25

Step-by-step explanation:

lets translate that story problem to mathematics equations

the problem told that no. of girls are 10 more than no of boys so this will =

g=b+10

then in class there are 40 students that means

g+b=40

now we have to equations with two variables then we should substitute

(b+10)+b=40

lets remove the brackets

2b+10=40 subtract 10 from both sides

2b=30 now divide both by 2

b=15 so g=25 after you write the equation once again with the new proof or number

6 0
2 years ago
Jack got the expression 7x + 1 and then wrote his answer as 1 + 7x. Is his answer an equivalent expression? How do u know? Expla
nadezda [96]
Yes, it is an equivalent expression because even though you move two pieces of an equation it will still equal the same thing, unless there are parentheses involved.
6 0
3 years ago
Read 2 more answers
The equation below shows the total volume (V),in cubic units, of 2 identical boxes with each side equal to s units:
mrs_skeptik [129]
A. 21.0 cubic units
2 × 3.5 × 3
8 0
3 years ago
a bucket contains 3 1/2 gallon of water. If Marie adds 5 gallons more, how many gallons of water will there be in all?​
Klio2033 [76]

Answer:

8 1/2

because 3 + 5= 8+ 1/2= 8 1/2

5 0
2 years ago
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