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kari74 [83]
3 years ago
10

Which are the possible first steps in solving the equation 4^x+3=18

Mathematics
1 answer:
dangina [55]3 years ago
4 0
According to the rule of BODMAS multiplication goes first.

B - brackets
O - operations
D - division
M - multiplication
A - addition
S - subtraction

to answer the question, 4 ^ x goes first. which equals 4x. the new equation would be:
4x + 3 = 18
now you have to move +3 over the equals sign which becomes negative (-):
4x = 18 - 3
4x = 15
next you have to get the x to be alone, move the 4 over the equals sign. 15 is now divided by 4:
x = 15/4
x = 3.75
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£132 in the ratio 3 : 8
Vedmedyk [2.9K]

Answer:

£36 : £96

Step-by-step explanation:

3 + 8 = 11

132 ÷ 11 = 12

⇒ 12 x 3 : 12 x 8

⇒ £36 : £96

5 0
3 years ago
Read 2 more answers
2 factors of 64 add up to 12 what are they
NikAS [45]

Two factors of 64 that add up to 12 are 8 and 4.

8 x 8 is 64 so its a factor of 64

16 x 4 is 64 so its a factor of 64

8 + 4 = 12

5 0
4 years ago
Read 2 more answers
Can yall only answer the first one Pls
ollegr [7]
The answer to part A is 1,852.50
3 0
3 years ago
What is the simplest form of this expression? (x + 7)(3x − 8) A. 3x2 + 2x − 15 B. 3x2 + 29x − 1 C. 3x2 − 29x − 56 D. 3x2 + 13x –
Lorico [155]

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▹ Answer

<em>D. 3x² + 13x - 56</em>

▹ Step-by-Step Explanation

(x + 7)(3x - 8) (<em>Using FOIL method)</em>

x * 3x - 8x + 7 * 3x - 7 * 8

3x² - 8x + 7 * 3x - 7 * 8

3x² - 8x + 21x - 56

3x² + 13x - 56

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

3 0
3 years ago
Read 2 more answers
The radius of a circular oil slick expands at a rate of 2 m/min.
zhuklara [117]
As we knw that the dr/dt = 2
 And  The area of the circular slick is given by formul
 A = (pi)r^2.
Now lets take derivative: <span>dA/dt=2πrdr/dt
As we knw that radius is 25
so</span><span>dA/dt=2π(25)(2)=100π
which is equal to
=314.16 per minute this is how area is increasing
now for part b
</span><span> t = 4, the radius will have increased to 8 m.
   now we will put the values in formula dr/dt
</span>so it will be.dA/dt=2π(8)(2)
=32π
=100.53 is the answer
hope it helps
6 0
3 years ago
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