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satela [25.4K]
3 years ago
6

An express elevator starts on the 5th floor and descends 8 floors. Which equation shows the correct computations for finding the

elevator’s stop?
Mathematics
2 answers:
alexdok [17]3 years ago
8 0
The answer is 5 + –8 = –3
tester [92]3 years ago
5 0

Answer:

The expression to find the elevator's stop = 5 + (-8)

The elevator stops at the floor -3.

Step-by-step explanation:

An elevator starts on the 5th floor.

It descends 8 floors = Moving down 8 floor = -8

So, the expression to find the elevator's stop = 5 + (-8)

It is -3

So the elevator stops at -3.

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The store is having a sale 2 an a half pounds of sugar for $10.50. What is the unit price in a division sentence?
iris [78.8K]
$10.50/2.5 lb= 4.20 per lb
4 0
4 years ago
8(h-1)=6h+4+2h solve for h
Dima020 [189]

Answer:

No Solution

Explanation:

Given the equation:

8\mleft(h-1\mright)=6h+4+2h

Step 1: Distribute the terms in the left-hand side.

8h-8=6h+4+2h

Step 2: Collect like terms.

\begin{gathered} 8h-6h-2h=4+8 \\ 0=12 \\ \text{But:} \\ 0\neq12 \end{gathered}

Therefore, the equation has No Solution.

8 0
1 year ago
Which expression represents 8 less than twice the sum of a number, x, and 2? Looking for brainliest plz help.
nikklg [1K]

Answer:

B

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
Evaluate inverse functions <br><br> Find the following values f^-1(f(3.14)) <br> F(f(-7))
Margaret [11]

Answer:

1. 3.14

Step-by-step explanation:

If we have

f {}^{ - 1} (f(x)

That just equals

x

For example, consider function

f(x) = 2 {}^{x}

The inverse of that function is

y = 2 {}^{x}

x = 2 {}^{y}

log_{2}(x)  =  log_{2}(2 {}^{y} )

log_{2}(x)  = y

So

f {}^{ - 1} (x) =  log_{2}(x)

If we compose the function, f(x) into f^-1(x).

We get

log_{2}(2 {}^{x})  = x

That proof of that.

1. Here x=f^-1(3.14)and f(3.14) cancel out so the answer is 3.14

2. We first find f(-7) which is -12,

We then find f(-12)= 5 so the answer here is 5.

8 0
3 years ago
Mike has an adjusted gross income of $85,643. He claims two exemptions and can deduct $896 for state income tax, $2,145 for char
damaskus [11]
The gross income is $85,463
Here are the deduction before tax is applied:
<span>$896 - income
</span>$2,145 - charitable donations
<span>$3,473 - medical expenses
2 x </span><span>$3,650 - exemptions

Adding all the deductions:
</span>$896 + $2,145 + $3,473 + 2 x $3,650 = $13,814

Subtracting this from the gross income:
$85,463 - $13,814 = $66,129
3 0
4 years ago
Read 2 more answers
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