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2 years ago

3 plus the product of 2 and h

Mathematics

1 answer:

LiRa [457]2 years ago

4 0

2h+3

I feel that thats too easy

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When we calculate the standard deviation, one of the intermediary steps is to subtract the mean from each data value. We do this

Dmitry_Shevchenko [17]

we want correct answer because it will lead or make your standard deviation goes directly

3 0

2 years ago

HELP it's a maths question worth 4 marks

Ksenya-84 [330]

a = 3, b= - 4 and c = - 4

expand the left side using FOIL

(2x + 1)(ax + b) = 2ax² + 2bx + ax + b = 2ax² + x(2b + a) + b

compare the coefficients of expressions on left and right sides.

compare 2ax² + x(2b +a) + b with 6x² - 5x + c

coefficients of x² terms → 2a = 6 ⇒ a = 3

coefficients of x terms → 2b + a = - 5 → 2b + 3 = - 5 → 2b = - 8 ⇒ b = - 4

constant terms c = b = - 4

4 0

2 years ago

How many 12/4 are in 3

Anit [1.1K]

Answer:

There is one 12/4 in 3.

Step-by-step explanation:

12/4 = 3

4/4 + 4/4 + 4/4 = 12/4 = 3

8 0

2 years ago

Find the measure of each interior angle of a regular polygon with the following number of sides 10

tresset_1 [31]

Answer:

36 will be the measure.

Hope it helps!!!

Step-by-step explanation:

7 0

2 years ago

Three red rods are 2cm longer than two blue rods. Three blue rods are 2cm longer than four red rods. How long is each rod?

nydimaria [60]

Answer:

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

Step-by-step explanation:

Let

x ----> the length of each red rod in centimeters

y ----> the length of each blue rod in centimeters

we know that

$3x=2y+2$ ----> equation A

$3y=4x+2$ ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is the point (10,14)

see the attached figure

therefore

The length of each red rod is 10 cm and the length of each blue rod is 14 cm

4 0

3 years ago