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jok3333 [9.3K]
2 years ago
10

What is the first step in solving the equation x2 - 25 = 0?

Mathematics
1 answer:
Finger [1]2 years ago
5 0

Answer:

first step - make x² the subject of the formula

x² = 25

second step :

find the square root of both sides

√x² = √25

x = 5

Step-by-step explanation:

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Dawn Dough and Dale earned different amounts $9.35,$8.52,and$8.25 dale and Doug earned about $9.00 Dawn earned exactly $1.10less
Zielflug [23.3K]

We know that the amounts earned by Dawn, Doug and Dale are from the list of numbers: $9.35, $8.52 and $8.25

We also know that Dale and Doug earned close to $9.00

And that Dawn earned $1.10 less than Dale

Let the amount earned by Dale be x

⇒ Amount earned by Dawn is x - 1.1

If we notice the list of numbers, we see that $9.35 and $8.25 differ by $1.1

Hence, Dale earned $9.35 and Dawn earned $8.25

We are now left with $8.52, which should be the amount earned by Doug. This is correct, since we also know that Doug earned close to $9.

Hence, the amounts earned are:

Dale: $9.35

Doug: $8.52

Dawn: $8.25

8 0
3 years ago
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ASHA 777 [7]
A. Independent goes on the x axis and dependent goes on the y axis
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5 0
2 years ago
A number k plus 19.5 is less than or equal to 40
Yuri [45]
K+19.5≤ 40
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3 0
3 years ago
If three bakers can prepare 15 cakes in 60 minutes, if they continue working at the same rate, how many cakes can they make in 3
igomit [66]
1 baker would make 45 cakes in 3 hours

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6 0
3 years ago
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:<br> Find the area of the figure and choose the appropriate result.
Neporo4naja [7]

Answer:

41.7m²

Step-by-step explanation:

As we can see, the area of this shape is simply the sum of 3 rectangles

Rectangle A has an area of 6 times 4 or 24m²

Rectangle B has an area of (3.8-2) times 3.5 or 1.8 times 3.5 or 6.3m²

Rectangle C has an area of 3 times 3.8 or 11.4m²

Adding that up gives 41.7m²

4 0
3 years ago
Read 2 more answers
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