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Lorico [155]
3 years ago
12

Hello can anyone please help me

Mathematics
1 answer:
____ [38]3 years ago
6 0

Answer:

B.

Step-by-step explanation:

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What is the answer for this
aksik [14]
A. C= 0.1d + 30

because if u take the point (100,40), then d= 100 and c=40. Now 0.1d means = 10 and 10 + 30 gives 40 which is equal to C.
5 0
3 years ago
2. Describe the means-extremes property.
GREYUIT [131]

Step-by-step explanation:

For example:

Ex: 2:3 :: 6:9

In this question, the means are 3 and 6.

The extremes are 2 and 9.

We use this method to find whether the two ratios are equal or not.

We multiply the means and the extremes, and if there products are same, then these two ratios are proportional.

If these two ratios are proportional, their "means" = "extremes"

=> Means = Extremes

=> 3 x 6 = 2 x 9

=> 18 = 18

So, these two ratios are proportional.

Hope this helps you.

8 0
3 years ago
2a + 3b = 5<br> b = a - 5
Lunna [17]
<h2>1st Equation:</h2>

Answer for A:

a =  \frac{5 - 3b}{2}

Answer for B:

b =  \frac{5 - 2b}{3}

<h2>2nd Equation:</h2>

Answer:

a = b + 5

<u>hope it helps</u><u>.</u>

5 0
2 years ago
At a music store, the price of a set of speakers is $245, plus the sales tax of 6.5%. What is the total cost of the speakers, in
amm1812
Its 6.0 i think im sory is wrong
8 0
3 years ago
Read 2 more answers
A brother and sister share out their collection of 5000 stamps in the
yaroslaw [1]

Answer:

1875

Step-by-step explanation:

After sharing in the ratio 5:3, the brother has

5000/(5+3) x 5 = 3125

Next, he shares with his friend in the ratio 3:1:1, thus

3125/(3+1+1) x 3 = 1875

7 0
3 years ago
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