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3 years ago

Best explained and correct answer gets brainliest.

Mathematics

1 answer:

vlada-n [284]3 years ago

8 0

According to the Side Side Side postulate of congruent triangles, these triangles are congruent because each side is congruent to it’s corresponding side on the other triangle. When writing the congruence statement, you need to make sure that both triangles are read the same way so that one side corresponds to its congruent other side on the other triangle. One way to name these triangles would be HGK ≅ XWV

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Solve the word problem. Mario has 18 coins in his drawer. Five of the coins are nickels, and the rest are pennies. What is the t

Ilia_Sergeevich [38]

B.38 because if 5 of the 18 are nickels which equal 5 you have 13 coins left and you have 25 cents. Now the rest are pennies that equal one cent so you just add 13 to 25 and you get 38 cents

5 0

3 years ago

(20n^2+N^3+10n^2) /10N^2

kirill115 [55]

Combine like terms:
n^3 + 20n^ + 10n^2
= n^3 + 30n^

Divide:
=n^3 + 30n^2/10n^2

Factor:
=n^2n + 30n^2
=n^(n + 30)
= 2^2(n + 30)/10n^2

Cancel the common factor n^2:
=n + 10/10

3 0

3 years ago

What is the solution of x+8/5x-1>0?

DerKrebs [107]

Answer:

x<-8 or x>1/5

Step-by-step explanation:

$\frac{x+8}{5x-1} >0$

First we replace > symbol by = sign

$\frac{x+8}{5x-1} =0$

To solve for x we multiply 5x-1 on both sides

x+8 =0

x=-8

5x-1=0 solve for x

x= 1/5

WE got two values x=-8 and x= 1/5

Now we make a number line and check with each interval

x<-8, -8<x<1/5, x>1/5

Pick x= -9 and check with the given inequality

$\frac{-9+8}{5(-9)-1} >0$

1/46 >0 is true, so x<-8 satisfies our inequality

Pick x= 0 and check with the given inequality

$\frac{0+8}{5(0)-1} >0$

-8 >0 is false , -8<x<1/5 does not satifies our inequality

Pick x= 2 and check with the given inequality

$\frac{2+8}{5(2)-1} >0$

10/9>0 is true , x>1/5 satisfies our inequality

3 0

3 years ago

Read 2 more answers

Under his cell phone plan, Liam pays a flat cost of $69.50 per month and $5 per gigabyte. He wants to keep his bill under $90 pe

natulia [17]

Answer:

5y+69.50<90

Step-by-step explanation:

You can think of the number of gigabytes he will use as "y", since we don't know the number of gigabytes he will use. The flat cost of one month is $69.50.

You need to add those to calculate the complete cost. The inequality would use a less than sign because he needs to pay less than $90/month. It would not use an inequality sign with a line under it because the problem doesn't say he wants to use $90 or less.

You would solve using basic computation (subtraction and division). Hope this helped!

3 0

2 years ago

Graph this please due today

vaieri [72.5K]

Answer: see last picture

Step-by-step explanation:

We see that the y-intercept is 10 and the slope is -3

so when x = 0, y = 10

Graph this first point (picture 1)

Since the slope is -3, every time you go one unit to the left, you go down 3 units, so graph this second point (picture 2)

Continue this until you have no more room on the graph (picture 3)

now draw a line through the dots (picture 4)

4 0

3 years ago