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ss7ja [257]
3 years ago
6

When solving the equation 2x + 5 = 13, what is your first step?

Mathematics
1 answer:
Olin [163]3 years ago
8 0

Answer:

A) Subtract 5 from each side

Step-by-step explanation:

This would be your first step, then you would want to isolate your variable so you would divide both sides by 2.

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Disha has £6.
Margaret [11]
Well here's an easy way:

Subtract 40p from £6.00 and you get £5.60

then divide that by the 80p per pineapple.

Answer: 7 Pineapples.
7 0
3 years ago
Please help me with 1 and 2 and show me how you get it and the answers
FromTheMoon [43]

Step-by-step explanation:

1. a²=25²-15²

a²=(25-15)(25+15)

a²=10×40

a=20

2.b²=10²-6²

b²=(10-6) ×(10+6)

b²=4×16

b=8

6 0
3 years ago
Find the area of equilateral triangle with side a.
marishachu [46]

Answer:

\frac{\sqrt{3} }{4} a^2

Step-by-step explanation:

To find the area of an equilateral triangle, we can apply a formula.

A=\frac{\sqrt{3} }{4} s^2

A= area\\s=side \: length

The side length is given a.

Plug a in the formula as the side length.

A=\frac{\sqrt{3} }{4} a^2

8 0
3 years ago
A bag holds 12 red marbles, 11 green marbles, 17 blue marbles, and 5 yellow marbles. What is the probability that you will NOT c
Oduvanchick [21]

Answer:

Step-by-step explanation:

No of sample space , n(s) = 12 + 11 + 17 + 5 = 45

No of favorable cases , n(e) = 17

Probability of getting blue marble ,

P(e) = n(e)/n(s)

        = 17 / 45

NOW

Probability of not getting blue marble,

P'(e) = 1 - p(e)

       = 1 - 17 / 45

      = ( 45 - 17)/45

     = 28 / 45

Hope it helped :)

6 0
3 years ago
If f(x)=4^x, find f(4)
lina2011 [118]

Answer:

\huge\boxed{f(4) = 256}

Step-by-step explanation:

<u>Given function is:</u>

f(x) = 4^x

Put x = 4

So,

f(4) = 4^4\\\\f(4) = 256\\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3>
6 0
3 years ago
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