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vazorg [7]
2 years ago
10

Pllllllssssss helpooppppp

Mathematics
1 answer:
adell [148]2 years ago
7 0
I am sorry but I don’t know how to do this.
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What is the actual train length 54.4 meters what is the scale used to make the model
melisa1 [442]

Answer:

vhebjhdgevdbheghdendendndh

Step-by-step explanation:

dhnehdbhdnhhhhhhbfndbedd

7 0
3 years ago
a bag contains only a red and blue marbles there are a total of 36 marbles in the back there are five red marbles for every four
Harrizon [31]
Let R and B be the number of red and blue marbles respectively.

Then,
R+B = 36
R:B = 5:4

Therefore,
Ratio of red marbles = 5/9
Ratio of blue marbles = 4/9
This means,
R = 5/9*36 = 20 marbles
B = 4/9*36 = 16 marbles

If one blue marble is removed from the bag, the  new B= 16-1 = 15 blue marbles  and the new total of marbles in the bag = 36-1 = 35 marbles.
The new ratios are
R = 20/35 =4/7
B = 15/35 = 3/7
That is, R:B = 4:3

The reasoning of the student is wrong. When a marble is removed, both the number of blue marbles changes as well as the total of the marbles in the bag. In other words, both the values in the ratio reduce by 1.
7 0
3 years ago
PLS HELP PLS PLS PLS SO EASY BUT I NEED HELP
Novay_Z [31]

Answer:

Step-by-step explanation:

the answer is 45

5 0
2 years ago
Read 2 more answers
What is the measure of ∠x?
mario62 [17]

Answer:

I'm guessing you are asking the measure of the angle WXY the answer will be 132

Step-by-step explanation:

Straight lines are 180 degrees and the other angle is 48 minus the 180 degrees is 132

3 0
3 years ago
Read 2 more answers
Student answers 90% of the questions on the math exam correctly if she answers 27 questions correctly how many questions are on
liubo4ka [24]

Answer:

30 questions

Step-by-step explanation:

if you cross multiply and divide like this,

\frac{27}{x}= \frac{90}{100}

27 x 100 = 2700

2700 / 90 = 30

you'll get ; 30 !

4 0
2 years ago
Read 2 more answers
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