A square is always, sometimes, or never a rhombus?

Answers

Answer 1

Answer: The answer is always.

Hope this helped! =)

Answer 2

Answer: A square is always a rhombus.

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You can now 800 square feet of lawn in 15 minutes at this rate how many minutes will it take you to mow a lawn that measures 6000 square feet? Part A write a proportion to represent the problem. Use M to represent the number of minutes. Explain your reasoning.

Part B solve the proportion you wrote in part A. Then use it to answer the problem. Show your work.

Answers

ok so assuming you don't get tired and the rate stays the same
rate=amountwork/timeitdonein

rate=800/15

euals
6000/time

800/15=6000/time
simlify for ease
160/3=6000/time
multiply both sides by 3time
160time=18000
divide both sides by 160
time=112.5

means 112.5 minutes or 1hour, 52 minutes, 30 seconds

A. 800/15=6000/t or
15/800=t/6000

B. solved, 112.5 minutes

The measure of the central angle of a sector of a circle is 90°. The arc length of the sector is 2pi cm. What is the radius of the circle in centimeters?

Answers

Answer:

Step-by-step explanation:

2πr/4=2π

r/4=1

r=4 cm

Help please !!! Oh Select all the equations where m= 4 is a solution

Choose 3 answers:

A) 13 = 9 + m

B)7- m = 3

C) 15 = 11m

D) 5 = m + 2

E) 20 divide m =5

Answers

Answer:

A, B, E

Step-by-step explanation:

A) 13=9+m

m= 13-9

m=4 ✔️

B) 7-m =3

m= 7-3

m=4 ✔️

C) 15= 11m

15=11*4

15≠44

D) 5= m+2

If m=4 therefore

5≠4+2

5≠6

E) 20 divide m = 5

20/4 = 5

therefore, m=4 ✔️

Final answer:

By substituting m=4 into each equation, we find that options A) 13 = 9 + m and E) 20 divided by m = 5 are the correct equations where m=4 is a solution.

Explanation:

In mathematics, specifically algebra, we can solve and check equations by plugging in values. You are asked to find the equations where m = 4 is a solution.

Let's substitute m with 4 in each equation:

A) 13 = 9 + m becomes 13 = 9 + 4. Hence, 13 = 13 which is true.
B) 7- m = 3 becomes 7 - 4 = 3 so it is incorrect because 3 is not equal to 7 - 4.
C) 15 = 11m becomes 15 = 44 which is incorrect.
D) 5 = m + 2 becomes 5 = 4 + 2 which is incorrect because 5 is not equal to 6.
E) 20 divided by m = 5 becomes 20 divided by 4 equal to 5. So, 5 = 5 is correct.

Therefore, the equations where m=4 is a solution are A) 13 = 9 + m and E) 20 divided by m = 5.

Learn more about Algebra here:

brainly.com/question/32436021

#SPJ11

Darius takes his family on an afternoon boat ride. Going through York Canal, he drives 5 miles in 15 minutes. Later on as he crosses Stover Lake, he drives 30 minutes at the same average speed. Which statement about the distances is true?

Answers

The distance traveled in the york canal is one-half the distance traveled on stover lake. The correct option is C.

What is a Ratio?

A ratio shows us the number of times a number contains another number.

Given that Going through York Canal, Darius drives 5 miles in 15 minutes. Therefore, the distance traveled by him in this time period is 5 miles. And his speed is,

Speed = Distance / Time

= 5 miles / 15 minutes

= (1/3) miles per minutes

Also, as he crosses Stover Lake, he drives 30 minutes at the same average speed. Therefore, the distance that is traveled by him is,

Distance = Speed × Time

= (1/3) miles per minute × 30 minutes

= 10 miles

Further, if we take the ratio of the distance of the two, then we can write,

$\frac{\text{Distance traveled in the York canal}}{\text{Distance traveled in Strover Lake}}= \rm (5\ miles)/(10\ miles)$

$\frac{\text{Distance traveled in the York canal}}{\text{Distance traveled in Strover Lake}}= \rm \frac12$

Distance traveled in the York canal = (1/2) Distance traveled in Strover Lake

Hence, The distance traveled in the york canal is one-half the distance traveled on stover lake.

The complete question is:

Darius takes his family on an afternoon boat ride. Going through the york canal, he drives 5 miles in 15 minutes. Later on, as he crosses stover lake, he drives 30 minutes at the same average speed. Which statement about the distance is true?

A : The distance traveled in the york canal is 15 miles less than the distance traveled on stover lake.

B : The distance in the york canal is twice the distance traveled on stover lake.

C: The distance traveled in the york canal is one-half the distance traveled on stover lake.

D: The distance traveled in the york canal and stover lake are the same.

Learn more about Ratios here:

brainly.com/question/1504221

#SPJ2

Answer:

Step-by-step explanation:

Given that Darius takes his family on an afternoon boat ride.

First he drives 5 miles in 15 minutes.

Next he drives 30 minutes at the same rate i.e. 5 m/15 min or 20 miles/hour

Since speed is 20 miles/hour, it follows that he travels 10 miles in 30 minutes.

So the true statement is

he travels 10 miles in 30 minutes

Concept used:

Distance travelled = speed x time

Speed =average speed normally denoted by miles per bour

PLEASE CHECK MY ANSWERS I REALLY NEED HELP!? 15 points

Answers

1.) is correct.

2.) your answer is incorrect: it's the first two choices.

3.) is correct.

4.) is correct.

5.) is correct.

6.) I'm not quite sure.

7.) your answer is incorrect it's the third choice.

8.) I'm not quite sure.

They all look correct except , im not sure about number 1.Other than that You did ok :) keep it up i'll let you know if I have a second thought about your solutions.

1.explain how you could use what you have learned to calculate the height of the leaning tower of pisa on a sunny day. 2.research other real-world situations where triangulation is used. post your findings for your fellow students to see. what questions do you still have about the unit?

Answers

Answer:

1. The slant height of the tower of Pisa is $√(H_v^2 + L_s^2)$

Where:

$H_v$ = Vertical height of the tower of Pisa (Required)

$L_s$ = Length of from the base of the tower to the point where the top is directly up above

2. Calculation of time using the length our shadow

Step-by-step explanation:

1) As the sun is rising, we measure the our shadow and the measure the shadow cast by the leaning side of the tower of Pisa, then we use similar triangles to calculate the vertical height of the tower of Pisa as follows;

$(Our \, Height \, (known))/(Length \, of \, our \, shadow \, (known)) = ( Vertical \, height \, of \, the \, tower \, of \, Pisa \, (Required) \, H_v)/(Length \, of \, the \, shadow \, cast \, by \, the \, slant \, side \, of \, the \, tower \, of \, Pisa, \ L_V)$

$Vertical \, height \, of \, the \, tower \, of \, Pisa \, (Required) \, H_v} = (Our \, Height \, (known) * L_v)/(Length \, of \, our \, shadow \, (known))$

Then, at exactly noon, or when the Sun is directly overhead the tower casting a shadow, we measure the length of the covering from the the base to end of the shadow where the tip is directly up ahead (which can be done by measuring the base of the tower to the point where the top of the tower is directly up above), we call this length $L_s$

Then, the slant height of the tower of Pisa = $√(H_v^2 + L_s^2)$

2. Other real world situation is the calculation of the time of the day using our shadow and triangulation.

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