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Butoxors [25]
3 years ago
10

Solve for x. x² = 9 x=±3 x=±4.5 x=±18 x=±81

Mathematics
1 answer:
Burka [1]3 years ago
8 0
I pretty sure x equals 3
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Factorise the following expressions​.
Setler79 [48]

Answer:

Q.1 a²+10a+24

splitting the middle.

a²+6a+4a+24

=a(a+6)+4(a+6)

(a+6)(a+4)

Q.2 x²+9x+18

splitting the middle

x²+6x+3x+18

x(x+6)+3(x+6)

(x+6)(x+3)

3 0
3 years ago
The table below shows the relationship between the number of calories burned and the minutes of exercise.
sergejj [24]

Answer:

Option B

Step-by-step explanation:

Since, number of calories 'C' burned is proportional to the number of minutes (m) given to the exercise,

C ∝ m

C = km

Where k is the proportionality constant.

From the table attached,

For C = 250 calories and m = 30 minutes,

250 = 30k

k = \frac{250}{30}

  = \frac{25}{3}

Therefore, equation representing this situation will be,

C = \frac{25}{3}m

Option B will be the correct option.

5 0
3 years ago
Whers is the place in ur house that ur ferret hides ur keys the most often
mojhsa [17]

Answer:

Under couch

Step-by-step explanation:

8 0
2 years ago
What is a(4-x) = 3x+b?​
Bogdan [553]

Answer:

a=3x+b/4-x

Step-by-step explanation:

I dont know which variable you're supposed to solve for. But here's how i got the answer above:

Divide each term in a(4-x)=3x+b by 4-x

a(4-x)/4-x=3x/4-x+b/4-x

Then, cancel the common factor of 4-x, giving you

a=3x/4-x+b/4-x

Finally, combine the numerators over the common denominator,

giving you a=3x+b/4-x

4 0
3 years ago
if p= the mountain bikes original price in dollars, which algebraic expression represents the reduce price?
zhannawk [14.2K]
P - 125 would represent the reduced price
5 0
2 years ago
Read 2 more answers
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