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3 years ago

Can someone please help me

Mathematics

2 answers:

neonofarm [45]3 years ago

7 0

1 is 25%
2. one the first spinner, 50% and the blue on the second spinner is 25%
3. on the 1st spinner, 50 % and on the 2nd spinner, 75%
4. i think its 25%

Vitek1552 [10]3 years ago

3 0

I know that number 1 is 25%. Sorry that I didn't know all, but hope I helped!

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Simplify the imaginary number sqr -75

m_a_m_a [10]

Answer:

5i $\sqrt{3}$

Step-by-step explanation:

Using the rule of radicals

$\sqrt{a}$ × $\sqrt{b}$ ⇔ $\sqrt{ab}$

and $\sqrt{-1}$ = i

Given

$\sqrt{-75}$

= $\sqrt{25(3)(-1)}$

= $\sqrt{25}$ × $\sqrt{3}$ × $\sqrt{-1}$

= 5 × $\sqrt{3}$ × i

= 5i $\sqrt{3}$

3 0

4 years ago

If you have a demand function of Qd=48-9P and a supply function of Qs=-12+6P,

jenyasd209 [6]

Answer:

The equilibrium quantity is 26.4

Step-by-step explanation:

Given

$Q_d = 48 - 9P$

$Q_s = 12 + 6P$

Required

Determine the equilibrium quantity

First, we need to determine the equilibrium by equating Qd to Qs

i.e.

$Q_d = Q_s$

This gives:

$48 -9P = 12 + 6P$

Collect Like Terms

$-9P - 6P = 12 - 48$

$-15P = -36$

Solve for P

$P = \frac{-36}{-15}$

$P =2.4$

This is the equilibrium price.

Substitute 2.4 for P in any of the quantity functions to give the equilibrium quantity:

$Q_d = 48 - 9P$

$Q_d = 48 - 9 * 2.4$

$Q_d = 26.4$

<em>Hence, the equilibrium quantity is 26.4</em>

7 0

3 years ago

J/6=24 I think you need to do cross product but I’m not really sure

elixir [45]

Answer = J= 144

Step by step:

24x6 = 144

4 0

3 years ago

Read 2 more answers

Describe algebraically the relationship between x1 and x2

DanielleElmas [232]

X2 is double the amount of x1

8 0

4 years ago

Divide £24 in ratio 3:5

Nadya [2.5K]

When i divide into ratio, i like to think of them as units:

so 24 will be divided into units, where the first thing gets 3 units and the second 5 units. In total those are 3+5=8 units.

so each unit will have 24/8=4

so the division into the two numbers is like this: the first one gets 3 units (3*4=12) and the second 5 (5*4=20)
so it's 12:20.

4 0

4 years ago