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3 years ago

In combining like terms with fractions what would this be 1/2k - 3/8k =

Mathematics

1 answer:

DanielleElmas [232]3 years ago

6 0

Answer:

Step-by-step explanation:

1/2k - 3/8k.....lowest common denominator is 8

4/8k - 3/8k = 1/8k <===

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Safety guidelines specify that a ladder should form an angle between 70° and 80° with the ground. If a ladder is 4 m long, deter

Sati [7]

Answer:

Step-by-step explanation:

70 = x/4

x = 4 cos 70 = 1.37m

x = 4 cos 80 = 0.69m

The range is ( 0.69m, 1.37m)

4 0

2 years ago

A cylindrical canister has a radius of 7 cm and a height of 16 cm. Find the volume of

snow_lady [41]

Answer:

7/16 = 0.4375

Step-by-step explanation:

sry

7 0

3 years ago

Need help with me question

Irina-Kira [14]

Answer:

x = -6 x=5

Step-by-step explanation:

x^2 +x -30 =0

Factor

What two numbers multiply to -30 and add to 1

6 * -5 = -30

6-5 =1

(x+6) (x-5) =0

Using the zero product property

x+6 =0 x-5=0

x+6-6=0-6 x-5+5=0+5

x = -6 x=5

8 0

4 years ago

Joan drew a rectangle that is 4 centimeters by 10 centimeters. It has an area of 40 square centimeters and a perimeter of 28 cen

matrenka [14]

Hello!

First you find what numbers give you the same perimeter

9 + 9 + 6 + 6 = 30

5 + 5 + 8 + 8 = 26

7 + 7 + 4 + 4 = 22

6 + 6 + 8 + 8 = 28

The choice that has the same perimeter is D

The answer is D) 6 centimeters by 8 centimeters

Hope this helps!

7 0

3 years ago

What is the conditional relative frequency of selling an item marked 50% off, provided the item sold is item 2?

sukhopar [10]

Answer:

Conditional relative frequency = 0.67

Step-by-step explanation:

50% off Buy 1, get 1 free Total

Item 1 12 8 20

Item 2 20 10 30

Total 32 18 50

Condition relative frequency table: