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FinnZ [79.3K]
3 years ago
11

Where are they getting the $8.18 and $6.32 numbers for each calculation?

Mathematics
1 answer:
ololo11 [35]3 years ago
6 0

Answer:

you need to show us something attach a file

Step-by-step explanation:

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20 points: <br> happy valentines
jeka57 [31]

Answer:

A. 4(x + 8) = 56

Step-by-step explanation:

the correct equation would be 4(x + 8) = 56

because we need to find the number of hours on Saturday, since there Sheldon gets paid $4 per hour, we must subtract the amount Sheldon made on Sunday by the total he made and then divide that by 4 to get the number of hours on Saturday

$4 = number of dollars per hour

$56 = total on Saturday and Sunday

8 hours = Number of hours babysat on Sunday

x = hours spent on Saturday

4(x + 8) = 56

Step 1: Simplify both sides of the equation.

4(x + 8) = 56

(4)(x) + (4)(8) = 56(Distribute)

4x + 32 = 56

Step 2: Subtract 32 from both sides.

4x + 32 − 32 = 56 − 32

4x = 24

Step 3: Divide both sides by 4.

4x/4 = 24/4

x = 6

To check if this is correct, we add the amount Sheldon earned on Saturday to the amount he earned on Sunday, which is

6(4) + 8(4) = 56

24 + 32 = 56

56 = 56

or you could substitute the answer in the problem

4(6 + 8) = 56

Distribute

24 + 32 = 56

Simplify

56 = 56

6 0
2 years ago
Find angles in isosceles triangles
Tanzania [10]

Answer - I think the answer is 59

Step-by-step explanation:

6 0
3 years ago
I need some help with this rational equation. It's supposed to = -1, but for some strange reason I keep getting x^2 +2x = -1.
Rasek [7]

This one is so easy that your brain refuses to accept it.
It's looking for a harder answer, but can't find it !

You're totally correct, as far you went.     x² + 2x does = -1

Now add ' 1 ' to each side:     x² + 2x + 1 = 0

Can you factor that quadratic ?
Can you mash it through the quadratic formula ?

Actually, it's the simplest possible perfect square.

                                       x² + 2x + 1  =  (x + 1)²

So the solutions of     x² + 2x + 1 = 0  are both   x = -1 .

Don't say anything.
I know it's embarrassing.

7 0
3 years ago
a submarine dives as shown in the diagram. to the nearest degree, determine the dive angle whose measure is X.​
ollegr [7]

Answer:

75.96

Step-by-step explanation:

Tan= \frac{opposite}{adjacent}

Tan X= \frac{500}{125}

Tan X ^{-1} (Tan X)= Tan X ^{-1}(\frac{500}{125} )

Answer 75.96

3 0
3 years ago
A) 11 and 12<br> B) 8 and 9<br> C 10 and 11<br> D 76 and 78
Valentin [98]

Answer:

B

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
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