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3 years ago

If you're good at math, explain this.

Mathematics

1 answer:

Vaselesa [24]3 years ago

8 0

Answer:

I think your correct :)

Step-by-step explanation:

Yess okay I was clicking "add answer" for like a thousand times :D

anywayssss....

I agree with your first 2 answers and it might be a glitch cause that's how it was with my last school years online quizzes but I'm not positively sure about your third answer cause I haven't done the work yet... just make sure you took all the numbers and added them together then divided them by 8 cause there's 8 groups.

ngl I cant tell you what's wrong with the second question so I'm thinking somethings wrong with the coding but alrighty...

<3 Enjoy,

Dea

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Which of the following is (-5x + 4)-(3x^2-7x+4) simplified and written in standard form?

777dan777 [17]

Answer:

jhgsdfgtyhujwert

Step-by-step explanation:

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3 years ago

Jim earned $700 this week. This was $20 less than four times the amount he earned last week. Which equation, when solved for x,

Mariana [72]

<h3>The equation, when solved for x, gives the amount of money Jim earned last week is: 700 = 4x - 20</h3>

Solution:

Given that,

Jim earned $700 this week

This was $20 less than four times the amount he earned last week

To find: amount of money Jim earned last week

Let "x" be the amount of money Jim earned last week

From given,

Jim earnings this week = $20 less than four times the amount he earned last week

Therefore,

700 = 4x - 20

Thus the equation is found

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4 years ago

Which of the following is NOT a requirement for testing a claim about a standard deviation or variance? A. The sample is a simp

Luda [366]

Answer:

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5 0

4 years ago

G6 M4 L19

BigorU [14]

Answer:

24. because 2009-2005+20 = 24. hope that helps

5 0

3 years ago

Given: AACD is isosceles with angle D as the vertex angle. B is the midpoint of AC. AB= x + 5, BC= 2x - 3, and CD = 2x + 6. Find

Marina86 [1]

Answer:

70 units

Step-by-step explanation:

Given triangle ACD

AB = BC
CD = 2x + 6
AB = x + 5
BC = 2x - 3
P = ?

Perimeter is sum of the side lengths:

P = AD + CD + AC

AD = CD because D is vertex and the triangle is isosceles

AC = AB + BC because B is midpoint of AC

Then P is:

P = 2(2x + 6) + (x + 5) + (2x -3) = 4x + 12 + x + 5 + 2x - 3 = 7x + 14

Find the value of x from the AB = BC:

x + 5 = 2x - 3
2x - x = 5 + 3
x = 8

Then find the value of P:

P = 7*8 + 14 = 56 + 14 = 70 units

3 0

3 years ago