Which is bigger half of 40 or one fourth of 20

Answers

Answer 1
Answer:
Half of 40  =  0.5 x 40  =  20 .

One fourth of 20 is smaller than 20.
You don't even have to calculate it.

Answer 2
Answer: half of 40 is bigger than one fourth of 20

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How would you solve 7 - 3y = 22

Answers

7-3y=22 -7 -7 -3y=15 Divide by -3. y=-5
22+-7=15  3y = 15 then
Divide each side by '3'. y = 5
Simplifying y = 5
so your answer is going to be 5

What is the answer to 5x-7y=14

Answers

5x-7y=14 \n \n7y = 5x-14 \ \: 7 \n \ny=(5)/(7)x -(14)/(7) \n \ny=(5)/(7)x -2

Linear \ functions \ Where \ : \ny=mx + b \nx,y \ \ \ are \ the \ coordinates \ of \ any \ point \ on \ the \ line \nm \ \ \ \ is \ the \ slope \ of \ the \ line \n b \ \ \ \ is \ the \ y-intercept \ (where \ the \ line \ crosses \ the \ y-axis) \n \nm=(5)/(7)

x-intercept is : \ \  y=0 \n \n0=(5)/(7)x -2 \n \n(5)/(7)x =2 \ \ \cdot  /((7)/(5)) \n \n x=(14)/(5) \n \n((14)/(5),0)\n \ny-intercept is : \ \  x=0 \n\ny=(5)/(7) \cdot 0 -2\n \n y=-2 \n \n(-2,0)


Albert is organizing an end of term party. The cost of renting a hall for an evening is $100. The cost of food is $8 per person. How much will the party cost if 20 people attend? 50 people attend? Write an algebraic expression for the cost of the party if n people attend. Suppose Albert decides to hire a DJ for the party. The DJ charges $250 for the evening. What is the new cost of the party when n people attend? Suppose the cost of food increases by $2 per person. Write an expression for the total cost of the party with a DJ for n people. The new food price is in effect. How much will the party with a DJ cost for 40 people? Show your work.

Answers

Algebraic expression: 100+8n=x
cost if 20 people attend: 100+8*20 = 100+160
cost if 50 people attend: 100+8*50 = 100+400
New cost of the party when 'n' people attend:100+250+8n=x
Cost for party with 40 people and dj:100+250+n(8+2)=x

What is 4L 710mL - 2L 690 mL

Answers

Answer:

2L and 20mL, or 2020mL

Step-by-step explanation:

We can solve this problem in two ways:

  • Making operations with liters and milliliters separately
  • Converting all measurements to the same unit and subtracting

With the fist way:

4L-2L=2L

and

710mL - 690mL= 20mL

anwer is 2L and 20mL wich is the same as 2020mL

With the second way:

Fist conveting everything to mL 4L =4000mL

thus:

4L+710mL =4000mL+710mL=4710mL

and 2L=2000mL

thus:

2L+690mL=2000mL+690mL =2690mL

and then subtracting the two values:

4710mL - 2690mL= 2020mL


4L - 2L = 2L

710mL - 690mL = 20mL

your final answer is... 2L  20mL

A bottlenose dolphin can swim 2.68 meters per second. Find the dolphin speed in miles per hour

Answers

Answer:

The dolphin speed in miles per hour is 6

Step-by-step explanation:

we know that

1 mi=1,609.34 m ------> 1 m=1/ 1,609.34 mi

1 h= 3,600 sec ----> 1 sec=1/3,600 h

we have

2.68(m)/(sec)

Convert to mi/h

2.68(m)/(sec)=2.68((1/1,609.34))/((1/3,600))=6(mi)/(h)

Answer:

6

Step-by-step explanation:

Use properties to find the sum or product 8×51

Answers

  8 ×51 = 8(50+1) = 8×50+08*1=400 + 08=408

Answer:

8 \cdot 51 = 408

Step-by-step explanation:

use properties to find the sum or product 8×51

To use properties lets break 51 as 50 +1

8 times 51

8(50+1)

Now we use distributive property , Using this property we distribute 8 inside the parenthesis

8 times 50 is 400

8 times 1 is 8

400+8 = 408

So8 \cdot 51 = 408