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Firlakuza [10]
3 years ago
15

Ostuni evaluated -4 + x for x = -9 1/2 and got an answer of 5 1/2. What might the student have done wrong?

Mathematics
1 answer:
Sav [38]3 years ago
8 0
The student added 9 1/2 instead of adding -9 1/2
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Jay made a name tag that was 15.24 centimeters long. What is the length of the tag in millimeters?
Georgia [21]
1cm = 10mm

15.24cm x 10 = 152.4mm

Hope this helps!!!
4 0
3 years ago
Read 2 more answers
Find an equation for the line that passes through the point (-4, 10) and (16, -2)
Crank

Answer:

y = 3/5x + 62/5

Step-by-step explanation:

Equation of a line with two points is

m = y - y_1 / x - x _1

m = y_2 - y_1 / x_2 - x _1

Equating both

y - y_1 / x - x_1 = y_2 - y_1 / x_2 - x_1

Using what we are provided with

(-4 , 10)(16 , -2)

x_1 = -4

y_1 = 40

x_2 = 16

y_2 = -2

Imputing the values

10 - (-2) / 16 - (-4) = y - 10 / x - (-4)

10 + 2 /16 + 4 = y - 10 / x + 4

12 / 20 = y - 10 / x + 4

Lets cross multiply

12 ( x + 4) = 20(y - 10)

Open the brackets

12x + 48 = 20y - 200

12x + 48 + 200 = 20y

12x + 248 = 20y

Following this equation of line

y = mx + C

20y = 12x + 248

Let's divide through by 20 to get y.

20y / 20 = 12x + 248 / 20

y = 12x + 248 / 20

We can separate it by

y = 12x / 20 + 248 / 20

y = 3/5x + 62/5

Therefore, the equation of the line is

y = 3/5x + 62/5

3 0
3 years ago
−7/2÷7/5 i do not get it PLZ HELP!!! ASAP
yulyashka [42]
Okay, to start, when dividing fractions, one thing I use is to flip the numerator and denominator of the divisor and change the division sign to a multiplication sign so it would look like this: 
-7/2*5/7
Then, you would multiply straight across and you would get -35/14 which simplifies to -5/2.

4 0
3 years ago
Jackson picked apples for his family. He picked a total of 6 1/2 pounds. He took 2 3/4 pounds to his aunt and 1 5/8 pounds to hi
Thepotemich [5.8K]
2 3/4+1 5/8= deducted amount of apples

improper fraction= 11/4+13/8

same denominator= 2(11/4)+13/8

<span>2(11/4)+13/8=22/8+13/8=35/8=4 3/8</span>

6 1/2- 4 3/8

improper fraction= 13/2-35/8

same denominator= 4(13/2)-35/8

52/8-35/8= 17/8 lbs. There u go! 




4 0
3 years ago
Simplify the expression: 2/3 (6e+9f-21g)
Natasha_Volkova [10]

Answer:

4e + 6f - 14g

Step-by-step explanation:

4 0
3 years ago
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