Which of the following statements is NOT true? • _ •

Answers

Answer 1

Answer: C becouse not all triangles are regular

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A DVD player that regularly sells for $325 is marked down to $215.75. What is the discount rate?

Answers

The price is 325 - 215.75 = 109.25 $ lower.

In percent:

$(109.25)/(325) \cdot 100\% = (10 \ 925)/(325) \% \approx 33.62\%$

It is about 33.62%

Which ordered pair is the solution to the system of equations?x+3y=12
-4x+3y=-3
A.
(0, 4)

B.
(6, 2)

C.
(3, 3)

D.
(0, −1)

Answers

-1*/x+3y=12
-4x+3y=-3

-x-3y= -12
-4x+3y= -3
+-------------------
-5x= -15
x=3

x+3y=12

3+3y=12

3y=9 y=3

(x,y)=(3,3)

$x+3y=12\n-4x+3y=-3\n\nx+3y=12\n4x-3y=3\n------\n5x=15\nx=3\n\n3+3y=12\n3y=9\ny=3\n\n(3,3)$

writing at a Constant rate, amir wrote a 16-page report in 2 1/2 hours. at what constant rate did amir write

Answers

Answer:

6.4

Step-by-step explanation:

all you have to do is divide 16/2.5 (2 1/2) and you get 6.4

hope this helped!!

Mrs. Johnson is buying every student in her math class a pencil and an eraser. Each pencil costs 25 cents and each eraser costs 15 cents. If x represents the number of students in Mrs. Johnson’s class, what is the equation for this

Answers

Answer:

Total amount spent by Mrs. Johnson : T(x) = 25x + 15x

Step-by-step explanation:

Cost of each pencil = 25 cents

Cost of each eraser = 15 cents

x is the number of students in the class.

So, total cost of erasers purchased= 15x

and total cost of pencils purchased = 25x

Hence, Mrs, Johnson Spends total amount on eraser and pencil = 25x + 15x

or, total amount spent by Mrs. Johnson: T(x) = 25x + 15x

A triangle has a base of 4 units and a height of 3 units. Mark draws the triangle again but doubles the height. How does the area of the triangle change?

Answers

Answer:

It doubles the area.

Step-by-step explanation:

The formula for the area of a triangle is a = bh/2. So, if we plug in the first triangle, you get a = 6. With the second triangle, the height is being doubled. We can represent this with the equation:

4 × 3 × 2/2

Both 2s cancel each other out, leaving us with a = 12. 12/6 is 2. Therefore, doubling the height will ALWAYS double the area.

Answer: The answer is B, please mark me brainliest.
Thank you.

Step-by-step explanation:

Which is the same as 0.08?

A) 80%
B) 80/100
C) 8%
D) 0.8

Answers

The correct answer is C because starting from decimal (the dot) , you move 2 spaces to your right and you will get 8%

D because the 0's mean nothing.

Other Questions

PLEASE HELP I GIVE THANKS

6. Ivan saves 20% of his monthly paycheck for music equipment. He earned$335 last month.a. How much did he save for music equipment? Explain.b. If he uses $20.10 of what he earned to buy sheet music, what percent ofhis earnings is this amount? Explain.

How long does a horse take to run a distance of 6 miles at 16 miles/hour

SOMEONE PLEASEEEEE HELPPPPP MEEEEE