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ella [17]
3 years ago
13

121÷11+3.4÷2 simply the expression i know the answer is 17 but how

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0
Use PMDAS, first you do the parenthesis (which aren't there) then you multiply, divide, add, and then subtract.
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Kia rides her bicycle at 20 miles per hour. Which equation represents the situation?
sergejj [24]

Answer:

(A)d=20h

Step-by-step explanation:

If Kia rides her bike at 20 miles per hour.

20 miles per hour is referred to as the Kia's Speed.

Now we know that:

$Speed=\frac{Distance \:Travelled}{Time \:taken}

Given:

  • Number of hours traveled=h
  • Distance traveled=d
  • Speed = 20 mph

Substituting these three into the formula above, we have:

20=\dfrac{d}{h}\\

Cross multiply

d=20h

<u>The correct option is A.</u>

7 0
3 years ago
3/4 subtracted from 1/3
Sunny_sXe [5.5K]

Answer:

-5/12

Step-by-step explanation:

Convert to twelfths.  Then subtract.

6 0
3 years ago
Read 2 more answers
Solve for the function below.<br> f (x)=3x – 6<br> where x = 5<br> O -4<br> O 21<br> O 2<br> O 9
Svet_ta [14]

Answer:21

Step-by-step explanation:

8 0
3 years ago
students were grouped into 4 classrooms with an average of 33.5 students per classroom. if the students were regrouped into 5 cl
erma4kov [3.2K]

Answer:

26.8

Step-by-step explanation:

Because 33.5 was the average of how many students were in a classroom (if there were 4 classrooms), then 33.5 is can somewhat be the average of how many students were in one classroom; 1/4 of the classrooms can hold an average of 33.5.

Total students that were divided into 4 classrooms :

33.5 × 4 = 134

So if there is 134 students that will be grouped into 5 different classrooms, divide 134 by 5 to find the average amount of students that will be grouped.

134 ÷ 5 = 26.8

So, the average amount of students that will be grouped if they were divided into 5 classrooms would be 26.8 .

Hope this helped !

4 0
2 years ago
Round to the nearest tenth 6.2x+1.2=8.9
Anuta_ua [19.1K]

Answer:

x = 1.2...

Step-by-step explanation:

Start with the given equation and isolate the variable.

6.2x + 1.2 = 8.9

Subtract 1.2 from each side:

6.2x = 7.7

Divide each side by 6.2:

x = 1.2...

7 0
3 years ago
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