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mamaluj [8]
3 years ago
15

Which expressions are equal to 0 when x = -1? Check all that apply.

Mathematics
1 answer:
Sphinxa [80]3 years ago
6 0

Answer:

A C and E

Step-by-step explanation:

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The edges of a rectangle solid have lengths 2x,3xand 5x.what is the total surface area of the solid ?
Greeley [361]

Answer:

30x³

Step-by-step explanation:

2x×3x=6x²

6x²×5x=30x³

8 0
3 years ago
How do you write 416.7 in scientific notation? ___× 10^____
Liono4ka [1.6K]

Answer:

4.167(10²)

Step-by-step explanation:

Step 1: Put number into proper decimal form

416.7 = 4.167

Step 2: Figure out exponent

Since we are moving the decimal places 2 places to the right, our exponent is 2

5 0
3 years ago
Read 2 more answers
If 4 is subtracted from twice a number, the result is 10 less than the number. Write an equation to solve this problem. Use n as
skelet666 [1.2K]
2n-4= n-10
-n. -n
n-4=-10
+4. +4
n=-6

Final answer: -6
8 0
3 years ago
Solve the following formula for x y = 7 m x − 8 b
katovenus [111]

Answer: It depends on which variable you're solving for.

Step-by-step explanation:

Solving for b: b=7/8mx + -1/8xy

Solving for m: m=xy+8b

                             ______

                                   7x

Solving for x: x=-8b

                           ___

                          -7m+y

Solving for y: y=7mx-8b

                           ______

                                 x

7 0
2 years ago
Write a proof for the biconditional using the inverse and contrapositive.
MariettaO [177]
I don’t really understand the question at hand but let me try to help

X is equal to 4 we know this because because the sign in between the number means greater than or equal to so 3 x 4 equals 12 and that makes the equation on right true and on the left x is also equal to for which also makes the statement on the right true as well so I think X = 4

I hope I was able to help and If not I’m sorry
7 0
3 years ago
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