MATHEMATICS MIDDLE SCHOOL

Write the base-ten number for forty-two

Answers

Answer 1
Answer: I believe the base-ten number for forty-two would be
40

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HIGH SCHOOL

What is the inverse of the function f(x)=2x-10? A)h(x)=2x-5
B)h(x)=2x+5
C)h(x)=1/2x-5
D)h(x)=1/2x+5​

Answers

Answer: Try D

Step-by-step explanation:

MIDDLE SCHOOL

A square of area 36 cm² is cut to make two rectangles, A and B. OD
-
-
-
Area = 36 cm?
The ratio of area A to area B is 2:1
Work out the dimensions of rectangles A and B.
Rectangle A
Rectangle B
Length:
Length:
5
cm
Width:
cm
Width:

Answers

Answer:

Rectangle A: 6cm × 4cm

Rectangle B: 6cm × 2cm

Step-by-step explanation:

Area of square = side² = 36 cm²

Each side = 6 cm

When you cut a square to form rectangles, length is equal to the side of the square but the width changes.

Area of rectangle A = ⅔(36) = 24

Rectangle A: length = 6 cm

Area = 24 = length × width

24 = 6 × width

width = 4cm

Dimensions of A are 6×4

Area of rectangle B = ⅓(36) = 12

Rectangle B: length = 6 cm

Area = 12 = length × width

12 = 6 × width

width = 2 cm

Dimensions of B are 6×2

HIGH SCHOOL

A bag contains 5 5 green marbles, 10 10 yellow marbles, 4 4 red marbles. two marbles are drawn without replacement which means that once the first marble is selected it is not put bag into the bag. it is not replaced. what is the probability of drawing a green marble then a red marble?

Answers

The probability of drawing a green marble will be 5/19, then for a red marble it will be 4/18 because there are less marbles in the bag. Also the probability of drawing a green or red marble the second draw will be the same probability.  Hope this helps!

Total number of marbles = 5 + 10 + 4 = 19

Number of green marbles = 5
Number of red marbles = 4

P(Green, then red) = (4/19)(5/18) = 5/28

Answer: 5/28
MIDDLE SCHOOL

If i drive 3,486 miles in 42 hours how Many miles did i drive per hour

Answers

You just have to divide, 3,486 miles by 42 and you'll get the miles per hour in your answer
3486 divided by 42 is 83 miles per hour
Hope i helped
- Flavd
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