ls the following statement with variability or without variability? "The number of students in PE each day."

Answers

Answer 1

Answer: It is with variability.

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Which list shows the numbers in decreasing order? A) −0.05, 1.75, −5 2 , −0.25, 4 B) −0.05, −5 2 , −0.25, 1.75, 4 C) −5 2 , −0.25, −0.05, 1.75, 4 D) 4 , 1.75, −0.05, −0.25, −5

Answers

Answer: C

Step-by-step explanation:

Try plotting it on a number line!

Stay safe in quarantine!

Good luck!

Answer:

If its greatest to lowest its D) 4, 1.75, -0.05, -0.25, -5

If its lowest to greatest its C) -5.2, -0.25, -0.05, 1.75

Step-by-step explanation:

What is the number 82,500 written in scientific notation?

Answers

Answer:

this is written as 8.25 x 104 in scientific notation?

Step-by-step explanation:

When solving an inequality, when does the sign change?

Answers

The sign changes when you MULTIPLY or divide by a negative on both sides :)

The planet Mars could be a future destination for the U.S. space program. Assume that Mars is a perfect sphere. Its surface area is about 145 million square kilometers. What is the radius of Mars at its equator? Round to the hundreds place. ||| Answer choices:
A) 4,500 km
B) 2,200 km
C) 5,000 km
D) 3,400 km |||

Answers

surface area of a sphere is 4 times pi timers radius^2
aprox pi=3.14

so surface area=145,000,000

145,000,000=4 times 3.14 times rdaius^2
145,000,000=12.56 times radius^2
divide both sdies by 12.56
11544585.987=r^2
square root both sides
3397.73=radius

round to the hundreds
3397 rounded to the hundreds
3400

the answer is D 3,4000 km

At a store , 24 bottles of water and 6 bags of chips costs $23.40. Five bottles of water and two bags of chips cost $6.60. What is the cost of a single bottle of water ?

Answers

24w+6c=$23.40

5w+2c=$6.60

So you have to find c (chips) first. You have to make the number of chips in both equations cancel each other.

-3(5w+2c)=-3($6.60)
-15w-6c=$-19.80

Then subtract to get one formula
24w + 6c = $23.40
-15w - 6c = $-19.80

9w = $3.60
w=$.40

To check your answer, find how much one bag of chips costs:
5($.40) + 2c = $6.60
$2.00 + 2c = $6.60
2c = $4.60
c=$2.30

Plug your value for one water and one bag of chips into the formula:
5($.40) + 2($2.30)
$2.00 + $4.60
=$6.60

Then plug your values into the original problem:
24($.40) + 6($2.30)
$9.60 + $13.80
=$23.40

Answer:

why does everyone keep doing math question? im horrible at it :(

Step-by-step explanation:

Nikki is going to use SSS to prove that PQR is congruent to SQR

Answers

A. Prove that QR ≅ QR by reflexive property

Nikki is going to use SSS Property, which is Side, Side, Side. This means that, given two pairs of sides are congruent, you will have to find out the last side, which is the same side. This means that it is congruent with itself (since both triangles share the same side), and uses the reflexive property.

hope this helps

Answer: A is the correct answer

Step-by-step explanation:

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