MATHEMATICS HIGH SCHOOL

What is the area of triangle UVW? (Scale factor question picture included) A) 320 cm ^2
B) 200 cm ^2
C) 25 cm ^2
D) 100 cm ^2
What is the area of triangle UVW? (Scale factor question - 1

Answers

Answer 1
Answer: A= 320 cm2 and that is the answer

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The cost of a book is twice that of a magazine.1 book and 4 magazines cost £ 24.
How much does a book cost?

Answers

The answer to your question is 8

Use the quadratic formula to solve x2 + 7x + 8 = 0. Estimate irrational solutions to the nearest tenth.

Answers

x^2 + 7x + 8 = 0\n \na=1, \ b=7 ,\ c=8 \n \n x_(1)=(-b-√(b^2-4ac))/(2a)=(-7-√(7^2-4 \cdot 1\cdot 8))/(2 \cdot 1)=(-7-√(49-32))/(2)=(-7-√(17))/(2)\n \nx_(2)=(-b+√(b^2-4ac))/(2a)=(-7+√(7^2-4 \cdot 1\cdot 8))/(2 \cdot 1)=(-7+√(49-32))/(2)=(-7+√(17))/(2)

Answer:

Step-by-step explanation:

Solve the following using factoring x²+12=7×​

Answers

Answer:

(x-4)(x-3)

Step-by-step explanation:

x^2+12=7x  move the 7x to the other side

x^2-7x+12

(x-4)(x-3)

Evaluate the function at x = –2
 A.y = –2
 B.y = 0
 C.y = 2
 D.y = 3

Answers

- -  C.

This is because if x=-2 then go to the -2 on the grid.

Now go up until the line reaches a point in the grid in which is "on" a number.
I have attached a picture explaining what I mean.
As you can see the line reached a point (on x=-2) and the answer is C.2 (Positive because it is on the higher end no the lower end.



The answer is equal C, y = 2.

From 1980 to 2000, the consumer price index (CPI) increased from 82.4 to 172.2. If a pound of margarine cost $0.51 in 1980 and the price of margarine increased at the same rate as the CPI from 1980 to 2000, approximately how much did a pound of margarine cost in 2000?

Answers

Answer:

the answer is $1.07


explanation : you divide the price by the cpi (0.51 / 82.4) this gives you 0.00619


so if you want to find the price or the cpi you just need to multiply the number you do have by 0.00619 and this will give you the missing information

Step-by-step explanation:

Answer:

1.07

Step-by-step explanation:

i got the answer right

Whats the equation of a circle centered at (7,1) that passes through (-2,10)

Answers

The line from (7, 1) to (-2 10) is a radius of the circle.

Its length is the square root of [ (-2 - 7)² + (10 - 1)² ] =  √(81 + 81) = √162

The equation of the circle is: (x- 7)² + (y - 1)² = 162 
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