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dusya [7]
2 years ago
13

1. In order to join a dancing club,

Mathematics
2 answers:
nata0808 [166]2 years ago
8 0

Answer:

4x+30

Step-by-step explanation:

because you do $4 each month so that is ongoing so you need the variable. $30 is just the start up

FrozenT [24]2 years ago
5 0

Answer:

y= 4x + 30

Step-by-step explanation:

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The ratio of oil to vinegar in a certain dressing is 8:5 how much oil must be blended with 7 liters of vinegar
Eduardwww [97]

10 5/6 liters

Explanation:

Oil to Vinegar:

8 to 5

x=oil

x to 7 is the ratio you want to find

Cross multiply

8 to 5

x to 7

you would get 56=5x

Divide and get x=10 5/6

6 0
3 years ago
It’s number 3. I’m really confused
dybincka [34]

Answer:

1.1275

Step-by-step explanation:

Grams = Milligrams divided by 1,000

1,127.5 divided by 1,000 = 1.1275

7 0
3 years ago
If y+ 18=45 what does y equal?
Flauer [41]
You would want to subtract 18 from 45. Your answer would be y=27.
7 0
3 years ago
Read 2 more answers
Help me pls pls pls
lara31 [8.8K]

Answer:

1,3

Step-by-step explanation:

1,3

4 0
3 years ago
Read 2 more answers
A trust fund worth $25,000 is invested in two different portfolios. This year, one portfolio is expected to earn 5.25% interest
solong [7]

Answer:

$12 000 in Portfolio 1 and $13 000 in Portfolio 2  

Step-by-step explanation:

The formula for simple interest is  

I = Prt

For each portfolio, t = 1 yr

For Portfolio 1, i = 5.25 % = 0.0525

For Portfolio 2, i = 4 %       = 0.04

         Let x = amount invested in Portfolio 1. Then

25 000 - x = amount invested in Portfolio 2 and

\begin{array}{rcr}0.0525x + 0.04(25000- x) & = & 1150\\0.0525x+ 1000 - 0.04x & = & 1150\\0.0125x + 1000 & = & 1150\\0.0125x & = & 150\\x & = & 12000\\\end{array}

25 000 - x = 25 000 - 12 000 = 13 000

So, $12 000 is invested in Portfolio 1 and $13 000 is invested in Portfolio 2.

Check:

\begin{array}{rcl}0.0525 \times 12000 + 0.04(25000 - 12000)& = & 1150\\630 + 0.04(13000) & = & 1150\\630 + 520 & = & 1150\\1150 & = & 1150\\\end{array}

OK.

4 0
4 years ago
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