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3 years ago

Classify the following triangle. Check all that apply .

Mathematics

2 answers:

sergey [27]3 years ago

8 0

Right isosceles hjjddcnmk

Artist 52 [7]3 years ago

7 0

Answer:

Right and Isosceles

Step-by-step explanation:

The triangle is right because it has a 90-degree angle. It is also Isosceles because it has two side lengths that are equal.

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In a sale, a clothes shop reduces its prices by 40%

bazaltina [42]

The original price of the shirt is 22
The price was reduced by 40% = 22*40/100 = 8.8
The price after sale = 22.0 - 8.8 = 13.2

4 0

3 years ago

\begin{aligned} &y=2x +1 \\\\ &x-y=-3 \end{aligned} y=2x+1 x−y=−3 Is (2,5)(2,5)left parenthesis, 2, comma, 5, right

trapecia [35]

Answer:

Yes

Step-by-step explanation:

Given the system of equations

$\begin{aligned} &y=2x +1 \\\\ &x-y=-3 \end{aligned}$

We want to determine if (2,5) is a solution of the system.

We can do this by substitution of the given point into the equations and see if it holds.

Given (x,y)=(2,5), x=2, y=5

In the first equation

y=2x+1

5=2(2)+1

5=5

Therefore, the point (2,5) satisfies the first equation.

In the second equation

$x-y=2-5=-3$

Since our result (-3) is equal to the Right Hand Side, the point also satisfies the second equation.

Therefore, (2,5) is a solution of the system.

7 0

3 years ago

£14.50 increased by 7%

Kryger [21]

My way is 14.50/100 to give you one percent. So one percent is .145 mutiply that by 7 to give you 1.02 so 14.50+1.02=15.52. So 15.52 is the answer.

8 0

3 years ago

Samantha has 146 ft of yarn. She wants to cut the yarn into equal pieces to give her 18 students. How much yarn will she give ea

Minchanka [31]

Answer:

8 ft of yarn

Step-by-step explanation:

146/18= 8.111

Round that number down to 8 to make all students get equal amounts of yarn

4 0

3 years ago

Read 2 more answers

Use the linear combination method to solve the system of equations PLZ HELP I WILL GIVE BRAINLIEST AND ITS WORTH A LOT OF POINTS

jasenka [17]

2x-3y=13...(1)
2x+4y=-8...(2)

Multiply equation 2 by -1 to eliminate x

2x-3y=13
+ -2x-4y=8
—————
-7y=21
y=-3
Substitute y=-3 into equation 2
2x+4(-3)=-8
x=2

Therefore, the solution to the system is (2, -3)

7 0

3 years ago