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Nastasia [14]
2 years ago
11

Which of the following methods would be the easiest to use to solve x2 – 7 = 0?

Mathematics
2 answers:
Talja [164]2 years ago
8 0
Add the 7 to both sides and then divide both sides by 2.  Only way to solve, actually!!
andreev551 [17]2 years ago
6 0
Look at the picture. Hope it can help

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Four times the amount of money in my bank account plus $200 is still two
ioda

Answer:

$700

Step-by-step explanation:

So, I like to extract the information we know and form it into an equation.

So we know that after multiplying what you have in the bank by 4, then add 200 dollars you get two thousand dollars less than a fourth of what's in your dad's bank account.

Your dad has $20,000 in the bank.

Before we write the equation let's find what two thousand less than a fourth of 20,000 is.

20,000/4 = 5,000

Now, 5,000 - 2,000 = 3,000

Ok let's say x is how much money you have

So:

4x + 200 = 3,000

we can isolate the variable by subtracting 200 from both sides

4x = 2,800

then we can divide by 4 on each side

x = 700

so you have $700 in the bank

4 0
3 years ago
Find the area of the Composite Figure:
Lelu [443]

Answer:

96

Step-by-step explanation:

4x4x6=96

hope this helps

5 0
2 years ago
Read 2 more answers
The ratio of elena's height to pavai's height is 10:13. The ratio of elena's height to kamir's height is 2:3. Their total height
tensa zangetsu [6.8K]

Answer:

a) 10:13:3

b) 258 cm

Step-by-step explanation:

The ratio of elena's height to pavai's height is 10:13. The ratio of elena's height to kamir's height is 2:3. Their total height is 456 cm.

a) Find the ratio of elena's height to pavani's height to kamir's height in its simplest form.

10:13:3

b) What is pavani's height?

The ratio of elena's height to pavai's height is 10:13.

Their total height is 456 cm

Sum of proportions = 10 + 13 = 23

Hence:

13/23 × 456 cm

= 257.73913043 cm

Approximately = 258 cm

3 0
3 years ago
The square of the difference of a number and 3
andriy [413]
(x-3)^2 x=a number in this case
7 0
2 years ago
Please anwser this thank you!!​
Kamila [148]

Step-by-step explanation:

v>29 or 29,infinity sign i used an app called and this is what it showed

4 0
2 years ago
Read 2 more answers
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