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Semenov [28]
4 years ago
5

Help me put this in order please help thanks

Mathematics
1 answer:
KATRIN_1 [288]4 years ago
5 0
1. 8
2. 15
3. 2
4. 1/2
5. 3
those are the answers in order, hope this helps!
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Solve for v:<br> -5.5 = 7.3 + v/8
Romashka [77]

-5.5=7.3+v/8

convert decimals to fractions

-11/2=73/10+v/8

multiply both sides by 40

-220=292+5v

move terms

-5v=292+220

add the numbers

-5v=512

divide both sides by -5

v=512/5

answer

3 0
3 years ago
Given the following sequence, find the 23rd term: 3, 5, 7, 9, 11, . . .
sashaice [31]

Answer:

B. 47

Step-by-step explanation:

The formula for an arithmetic sequence is

an = a1+d(n-1)

a1 =3   (it is the first term)

We can find the common difference by taking the second term and subtracting the first term

5-3 =2

d=2

n = the term number we are looking for

an = 3 + 2(n-1)

We are looking for the 23rd term so n=23

a23 = 3 +2(23-1)

      = 3 +2(22)

      = 3+44

      = 47

5 0
3 years ago
Read 2 more answers
If 75% is £45 what is the full cost
lyudmila [28]
45 is 75% of what?

45 is 75% of X

Equation: Y = P% * X

Solving our equation for X
X = Y/P%
X = 45/75%

Converting percent to decimal:
p = 75%/100 = 0.75

<span>X = 45/0.75 </span>
<span>X = 60


Hope I helped!

Let me know if you need anything else!

~ Zoe</span>
7 0
3 years ago
Solving Exponential Equations (lacking a common base)<br> (0.66)^k=9
Alexandra [31]

Answer:

k = log9 / log 0.66

k = 5.3

Step-by-step explanation:

Please always remember that, when an exponential equation is given with different bases, the best approach is to take log of both sides.

If you have a calculator handy, that would be pretty fast and easy.

0.66 ^ k = 9

Take log of both sides:

klog 0.66 = log 9

k = log 9 / log 0.66

k = 0.954 / - 0.18

k = -5.3

Maths is fun, let's keep learning

3 0
3 years ago
Rearange into slope intercept 3x-5y=10
Neporo4naja [7]
3x-5y=10
-5y=-3x+10
y=3/5x-2
5 0
3 years ago
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