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Bess [88]
3 years ago
5

Janelle subtracts -4 from a number. The results is 2. What is the number?

Mathematics
2 answers:
Nadya [2.5K]3 years ago
5 0

Answer:

ANSWER: The number is - 2

Step-by-step explanation:

(-4) = 2x + 4 = 2x = 2 - 4x = -2

Travka [436]3 years ago
5 0

Answer:

  • -2

Step-by-step explanation:

<u>Let the number is x, then we have:</u>

  • x - (-4) = 2
  • x = 2 + (-4)
  • x = 2 - 4
  • x = -2
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Find the product of 0.51 x 2.427​
Natalka [10]

Answer:1.23777

Step-by-step explanation: Calculators answer

7 0
2 years ago
-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3. which formula can be used to describe the sequence?
Stella [2.4K]
Your sequence appears to be geometric with a common ratio of 2. It can be described by
  a(n) = (-2 2/3)·2^(n-1)

_____
This can be written in a number of other forms, including
  a(n) = (-8/3)·2^(n-1)
  a(n) = (-1/3)·2^(n+2)
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8 0
4 years ago
Simplify the expression. -5/8(-3/8-1/4) ​
prisoha [69]

Answer:

25/64

Step-by-step explanation:

To get this answer, first you need to use the distributive property:

(-3/8)(-5/8) - (1/4)(-5/8)

Next, multiply:

15/64 - (-5/32)

Change the negative signs into a positive sign:

15/64 + 5/32

Multiply 5/32 by 2 on both top and bottom:

15/64 + (5)(2)/(32)(2)

You will then get:

15/64 + 10/64

Now, add the numerators. You will get:

25/64

This is your answer. I hope it helped!

5 0
3 years ago
How much is this per day 9908/365 round to whole number
Tom [10]

Answer:

27

Step-by-step explanation:

5 0
3 years ago
The question is:
saul85 [17]
f(x) = \sqrt{x+1} \\ y = \sqrt{x+1} \ or \ y^2 = x+1 \ or \ x = y^2 - 1 \\ Therefore, \ f^{-1}(x)=x^2 - 1

(fof^{-1})(a) = f(f^{-1}(a))=f(a^2-1) \\ =\sqrt{a^2-1+1}=\sqrt{a^2}=a \\  \\ (f^{-1}of)(a)=f^{-1}(f(a))=f^{-1}(\sqrt{a+1})= \\ (\sqrt{a+1})^2-1 = a+1-1 = a

Therefore, (fof^{-1})(a) = (f^{-1}of)(a) = a

8 0
3 years ago
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