What is 20 more than 3 fish tanks

Answers

Answer 1
Answer: 20+3 = 23 fish tanks
Answer 2
Answer: 23 fish tanks
That is the answer

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What angle has no supplement

Answers

supplement is te angle that ads to 180
maybe the angle that is more than 180 (you can't have negative angles)
or maybe it is 180, since it is alreay equal to 180
Supplementary add up to 180 degrees (140° and 40°)
Complementary add up to 90 degrees

a clydesdale drinks about 120 gallons of water every 4 days at this rate about how many gallons of does a clydesdale drink in 28 days

Answers

the clydesdale drinks 840 Gallons of water in 28 days.
Since a clydesdale drinks 120 gallons every 4 days, u have to divide 28 by 4:
28÷4=7
Now u multiply 7 by 120 for da answer:
7(120)=840.
I hope this xplains it.

Round each number to the nearest whole number.225.45 and 90.32

Answers

225.45 is 230 

90.32 is 90
225.45 rounded to the nearest tenth is 230and 90.32 to the nearest tenth is 90

Herman is standing on a ladder that is partly in a hole.He starts out on a rung that is 6 feet under ground ,climbs up 14 feet,then climbs down 11 feet.What is Herman's final position,relative to grounded level?

Answers

Answer:

Herman's final position is -3 feet relative to the ground level.

Step-by-step explanation:

As given:

Herman starts out on a rung that is 6 feet under ground ,climbs up 14 feet,then climbs down 11 feet.

The initial position is 6 feet(negative value) under ground, then up 14 feet (plus value)and down again 11 feet(negative value).

We take positive value when position is above the initial level and negative when the position is below the level.

The final position relative to ground level is:

-6+14-11

=-17+14=-3

Therefore, Herman's final position is -3 feet relative to the ground level.

well lets try using negatives and positives, negatives for underground positives for above. -6 + 14 = 8 then 8 - 11 = -3. When Herman finally stops climbing he is 3 feet below ground level.

Alexandra purchases two doughnuts and three cookies at a doughnut shop and is charged $3.30. Brianna purchases five doughnuts and two cookies at the same shop for $4.95. All the doughnuts and cookies have the same price. Find the cost of one doughnut and the cost of one cookie.

Answers

The cost of one doughnut is $0.75 and the cost of one cookie is $0.60.

What is the solution to the equation?

The allocation of weights to the important variables that produce the calculation's optimum is referred to as a direct consequence.

Alexandra buys two doughnuts and three treats at a donut shop and is charged $3.30. Brianna buys five doughnuts and two treats at a similar shop for $4.95. Every one of the doughnuts and treats has a similar cost.

Assume 'x' is the cost of doughnuts and 'y' is the cost of one cookie. Then the equations are given as,

2x + 3y = 3.30         ...1

5x + 2y = 4.95        ...2

Multiply equation 1 by 5 and equation 2 by 2, then we have

10x + 15y = 16.50     ...3

10x + 4y = 9.90       ...4

Subtraction equation 2 from equation 1, then we have

15y - 4y = 16.50 - 9.90

11y = 6.60

y = $0.60

Then the value of 'x' is given as,

2x + 3(0.60) = 3.30

2x + 1.80 = 3.30

2x = $1.50

x = $0.75

The expense of one donut is $0.75 and the expense of one treat is $0.60.

More about the solution of the equation link is given below.

brainly.com/question/545403

#SPJ2

Answer:1 donut=$0.75 and 1 cookie=$0.6

let c be the cookie and d be the dougnut

2d +3c = 3.30 ---eq 1
5d+ 2c = 4.95 ---eq 2


15. Tell whether the lines for each pair of equations are parallel perpendicular or neither Y=-3x+7
-2x+6y=3
16. Tell whether the lines for each pair of equations are parallel perpendicular or neither
Y=-1/5x+6
-2x+10y= 5

Answers

Answer:

15. The lines are perpendicular.

16. The lines are neither perpendicular nor parallel.

Step-by-step explanation:

15. The given lines are

Y=-3x+7 & -2x+6y=3 or, 6y = 3 + 2x or, y = 0.5 + (x)/(3).

The slope of the first line is -3 and the slope of the second line is (1)/(3)[Comparing with the standard form of equation of straight line y = mx + c, where m is the slope of the straight line].

Two straight lines will said to be perpendicular to each other, if the product of its slopes will be equal to -1.

Since, -3 * (1)/(3) = -1, the equations are perpendicular with respect to each other.

16. The lines are y = -(x)/(5) + 6 and -2x + 10y = 5 or, 10y = 5 + 2x or, y = 0.5 + (x)/(5).

As per the question number 15, it is clear that these equations are not perpendicular.

Here, the slope of the first one is (-1)/(5) and the slope of the second one is (1)/(5).

The values are same with different sign. Hence, these equations are not parallel too.