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andreev551 [17]
3 years ago
14

Ling tried to evaluate the expression 15÷5+7×5 ​

Mathematics
1 answer:
rewona [7]3 years ago
6 0

Answer:

38

Step-by-step explanation:

always remember bedmas or pedmas. 15÷5 is 3 plus 7x5 which is 35 so add 3 and 35 to get 38.

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(Second time asking this please help) A multiple choice question has 6 options. What is the percentage of getting the answer cor
igomit [66]

Answer:

A multiple choice question with 6 options will have a 16.7% chance of getting the answer correct, and a ratio of 1:6.

Step-by-step explanation:

You have a 1 in 6 chance of getting the answer correct, which can be represented with the fraction \frac{1}{6} .

To get a percentage, simply divide the 1 by the 6 and you will get an answer of 0.16666667. Multiply this by 100 and you have your answer.

To get a ratio, convert the fraction to a ratio making the left side of the ratio the numerator (the 1)  and the right side the denominator (the 6).

5 0
3 years ago
Read 2 more answers
Simplify<br><br> (4x+2)+(x-1)=
hoa [83]

Answer:

5x+1

Step-by-step explanation:

(4x+2)+(x-1)=

Combine like terms

4x+x   +2 -1

5x+1

5 0
3 years ago
Look at the picture above please help!!!
IgorLugansk [536]
I think you have to subtract 60% and 80% which you get 20%
7 0
2 years ago
Reduce the fraction:<br> 7b-14b²/42b²21b
ch4aika [34]

Answer:

(1-2b)/126b^2

Step-by-step explanation:

(7b-14b^2)/(42b^2*21b)

factor out the 7b,

[7b(1-2b)]/882b^3

[7b(1-2b)]/[7b(126b^2)]

cancel out the 7b's

(1-2b)/126b^2

7 0
3 years ago
Solve for s. write answers as integers or as proper or improper fractions in simplest form.
Rudik [331]

Answer:

+10 or -10

Step-by-step explanation:

square root both sides

8 0
2 years ago
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