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barxatty [35]
3 years ago
12

Need help with test asap

Mathematics
2 answers:
zhuklara [117]3 years ago
4 0

Answer:

It's c im taking the same test lol

Step-by-step explanation:

cupoosta [38]3 years ago
4 0

Answer:

x = 10

Step-by-step explanation:

hope it helps

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So i dont know what 9+4+x is can you help?
Dahasolnce [82]

Answer:

13+x

Step-by-step explanation:

all you have to do is 9+4 which is 13 and leave the +x so you get 13+x as your answer

3 0
3 years ago
Read 2 more answers
Translate the given phrase into an algebraic expression and simplify if possible: the product of -13 and the difference of c
Musya8 [376]

Answer:  -13c+13d

Step-by-step explanation:

For this exercise it is important to remember the following:

1. By definition, the "Product" is the result of a multiplication.

2. The "Difference" is defined as the result of a subtraction.

3. The Distributive property states that:

a(b+c)=ab+ac\\\\a(b-c)=ab-ac

Keeping the above on mind, you know that:

"The difference of c and d" can be represented with the following expression:

c-d

Therefore, "The product of -13 and the difference of c and d" can be represented with this expression:

-13(c-d)

Finally, you must apply the Distributive property in order to simplify the expression. You get:

=-13c+13d

7 0
3 years ago
HELP PLS ! :) The population of a certain animal species you are studying decreases at a rate of 3.5% per year. Only 80 of the a
Reika [66]
The function:f ( x ) = x * 0.965^twhere x is the initial amount and t is the number of the years80 = x * 0.965^380 = x  *  0.89632x = 80 : 0.89632 ≈ 89Answer:The initial amount of animals was 89.
3 0
3 years ago
What is the common ratio in this sequence: 3, 12, 48, 192? A. 1/4 B. -4 C. 3 D. 4
frozen [14]
I believe c is correct!!!!
4 0
3 years ago
Read 2 more answers
Find X, AB, BC, AC if B is the midpoint of AC
Artemon [7]

Step-by-step explanation:

it all starts with the understanding that "midpoint" means that the line segments on both sides have the exact same length.

this is the same as "cut a pizza or a cake in half".

therefore, we know

10x + 1 = 8x + 13

2x + 1 = 13

2x = 12

x = 6

AB = 10x + 1 = 10×6 + 1 = 60 + 1 = 61

BC = AB but to control : 8×6 + 13 = 48+13 = 61

correct.

AC = AB + BC = 61 + 61 = 122

7 0
1 year ago
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