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AveGali [126]
3 years ago
11

How to do 200 + 1 and 1/2 x equals 548 - 1 and 2/5 x

Mathematics
1 answer:
eimsori [14]3 years ago
5 0
So to do this you have to first calculate the sum subtract, multiply both sides by 10, move the terms, and collect like terms. So X=3460 I believe

Your welcome
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The function f(x) = 300(0.5)x/100 models the amount in pounds of a particular radioactive material stored in a concrete vault, w
allsm [11]

The amount of the radioactive material in the vault after 140 years is 210 pounds

<h3>How to determine the amount</h3>

We have that the function is given as a model;

f(x) = 300(0.5)x/100

Where

  • x = number of years of the vault = 140 years
  • f(x) is the amount  in pounds

Let's substitute the value of 'x' in the model

f(x) = 300(0.5)x/100

f(x) = \frac{300(0.5) * 140}{100}

f(x) =\frac{21000}{100}

f(140) = 210 pounds

This mean that the function of 149 years would give an amount of 210 pounds rounded up to the nearest whole number.

Thus, the amount of the radioactive material in the vault after 140 years is 210 pounds

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5 0
1 year ago
A farm stand wants to sell fruit to local grocery stores in packages with
lisabon 2012 [21]

A.12 grapes, 23 plums

Step-by-step explanation:

1. solve all the equations by multiplying each number by how much each item is worth

2. A: 290 =(12× 5)+(10×23)

B: 100 =(10×5)+(5×10)

C:125 =(5×5)+(10×10)

D:235 =(23×5)+(12×10)

5 0
3 years ago
two numbers are such that if 11 is added to the first number,the answer is twice the second number.Also,if 25 is subtracted from
hichkok12 [17]

Answer: x = 37 and y = 24

Step-by-step explanation:

So I assume the question means x+11=y*2 and x-25=y/2. I couldn't write all the steps on here because I did it on paper but the answer is x = 37 and y = 24

4 0
2 years ago
ΔABC is similar to ΔAXY by a ratio of 4:3. If BC = 24, what is the length of XY? triangles ABC and AXY that share vertex A where
nekit [7.7K]

Answer:

XY = 18

Step-by-step explanation:

Given

ABC:AXY = 4 : 3

BC = 24

Required

Find XY

Represent BC and XY as a ratio;

BC : XY = 24 : xy

Recall that:

ABC:AXY = 4 : 3

Equate both ratios;

24 : xy = 4 : 3

Convert to fractions

\frac{24}{xy} = \frac{4}{3}

Cross Multiply

xy * 4 = 24 * 3

xy * 4 = 72

Divide through by 3

xy * 4/4 = 72/4

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Hence:

XY = 18

3 0
2 years ago
Give example of solution to solve the equation 2x-7=5+x
andrew11 [14]

Answer:

And find it all urself

Step-by-step explanation:


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