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zlopas [31]
3 years ago
9

Can someone please answer this question please answer it correctly and please show work please help me please help

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
3 0

Answer:

4. A.

14. A. 38.4 mph

<u>(I estimated the line to be 1.5 inches. Measure the line IRL so I can adjust the answer)</u>

15. D.

16. B.

17. A.

Step-by-step explanation:

4. Rearrange the numbers; 44, 45, 45, 47, 49, 50, 50, 51, 55, 55, 55, 56

Minimum = 44

First Quartile = 46

Median = 50

Third Quartile = 55

Maximum = 56

14. 12 × 8 = 96. 96 × 1.5 = 144

144/1 ÷ 15/4 = 144/1 × 4/15 = 576/15 = 38.4

15. 35(2) + [ -1/2(15) ] = 35(2) - 1/2(15)

16. The new numbers for 540 students are

8/60 = 72/540 Walked: 72

7/60 = 63/540 Car: 63

3/60 = 27/540 Bicycle: 3

42/60 = 378/540 Bus: 378

17. 280 × 9 = 2,520

Increase by 25% = 125% of the total

2,520 × 1.25 = 3,150

3,114 - 3,150 = -36

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SIMPLIFY and SHOW WORK THANKS 3∙[ 9 – 2∙ (7 – 8)]
Zepler [3.9K]

Answer:

33

Step-by-step explanation:

3∙[ 9 – 2∙ (7 – 8)]

PEMDAS,

Parentheses, start from the inside out

3∙[ 9 – 2∙ (-1)]

3∙[ 9 +2]

3* 11

33

8 0
3 years ago
Please tell me how to write it on the paper thank you
frez [133]

Answer: which problem is it ?

Step-by-step explanation:

4 0
3 years ago
Solve the equation:<br><br> a) -3 = 7+2t/3<br><br> b) 4(5x-2) = 7(2x+3) <br><br> c) 2x-6 = 30-2.5x
Umnica [9.8K]
Let's start by solving the first equation.

a) -3 = 7 + 2t/3 
To begin simplifying this equation, we should multiply both sides by 3 to get rid of the denominator on the right side of the equation.
-9 = 7 + 2t
Next, we should subtract 7 from both sides to cancel out the 7 on the right side.
-16 = 2t
Finally, we should divide both sides by 2.
t= -8


Now let's move on to the next equation.

b) 4(5x-2) = 7(2x+3)
Let's use the distributive property to get rid of the parentheses and their coefficients.
20x-8 = 14x + 21

Now, lets subtract 14x from both sides of the equation.

6x - 8 = 21

Next, let's add 8 to both sides of the equation.

6x = 29

And divide both sides by the coefficient of x, which is 6.

x = 29/6 or 4 5/6

Now for the last equation.

C) 2x - 6 = 20 - 2.5x
First, we should add 2.5x to both sides to cancel out the -2.5x on the right side of the equation.
4.5x - 6 = 20
Now, let's add 6 to both sides to get the variable term alone.
4.5x = 26
Finally, we should divide both sides by 4.5 to get x by itself.
x = 5 7/9

Hope this helps! :)
7 0
3 years ago
Work out 27 ÷ 9 + 9 <br> Work out 4 + 5 x 3<br> Work out -9 + -4<br> ) Work out 9 - -5
san4es73 [151]

Answer:

1. 27/9=3+9=12

2. 4+5x3=5x3=15+4=19

3. -9+-4=-13

4. 9--5=14

7 0
3 years ago
Read 2 more answers
Explain how you would find the height of a rectangular prism if you know the volume is 60 centimeters and that the area of the b
ZanzabumX [31]
U have to add 60+10 then 60-10=50+20=70 and that is the answer that u u get addition subtraction those are the only to that u use.
4 0
3 years ago
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