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guajiro [1.7K]
2 years ago
5

Need help asap plz help

Mathematics
1 answer:
Soloha48 [4]2 years ago
8 0

Number three is D and number 4 is also D.

Explanation for number three:

When you divide 12 by 3, you get 4. This gives us the number we need to multiply 10 by to get our answer. 10 x 4 = 40

Explanation for number 4:

In the last question, the first step to getting to the answer was to divide the first two numbers. This is no different. When you divide 32.5 by 5, you get 6.5. Then you multiply 10 and 6.5, which equals 65.

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What is the arithmetic mean of the following numbers?<br> 8 10 8 5 4 7 5 10 8
Bas_tet [7]
I re-orders as 4,5,5,7,8,8,8,10,10.


Mean 7.2222222222222
Median 8
Mode 8
Range 6
Minimum 4
Maximum 10
Count n 9
Sum 65
Quartiles Quartiles:
Q1 --> 5
Q2 --> 8
Q3 --> 9
Interquartile
Range IQR 4
Outliers none
4 0
2 years ago
Factor completely 20x3y + 30x2y2.
Alexxandr [17]
<span>10x2y(2x + 3y)

Each term has 10 in it. Plus each term has at least 2 x's and 1y. The parenthesis are what's left over. </span>
8 0
2 years ago
4x - Зу = -3<br> 4x + y = 17<br> Explain how as well
Jobisdone [24]

Step-by-step explanation:

I will solve your system by substitution.

(You can also solve this system by elimination.)

4x+y=17;4x−3y=−3

Step: Solve4x+y=17for y:

4x+y+−4x=17+−4x(Add -4x to both sides)

y=−4x+17

Step: Substitute−4x+17foryin4x−3y=−3:

4x−3y=−3

4x−3(−4x+17)=−3

16x−51=−3(Simplify both sides of the equation)

16x−51+51=−3+51(Add 51 to both sides)

16x=48

16/x = 48/16

(Divide both sides by 16)

x=3

Step: Substitute 3 for x in y=−4x+17:

y=−4x+17

y=(−4)(3)+17

y=5(Simplify both sides of the equation)

Answer:

x=3 and y=5

6 0
2 years ago
What is the answer to this inequality -X+5&lt;-1/3+17=?
ExtremeBDS [4]

Add the numbers: 3+17 = 20

-x + 5 < -1/20

Apply the fraction rule: -a/b = - a/b

-x + 5 < - 1/20

Subtract 5 from both sides

-x + 5 - 5 < 1/20 - 5

Simplify

-x< - 101/20

Multiply both sides by -1 (reverse the inequality)

(-x) (-1) > (-101/20) (-1)

x> 101/20 is the final answer

6 0
2 years ago
7. What is the slope of the line that passes through the pair of points (2, 5) and (8, 3)?
Nonamiya [84]

Answer:

c

Step-by-step explanation:

6 0
2 years ago
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