The low temperatures for one week at a ski resort were: -24, -15, -21, -32, -18, -9, & -14. What was the mean low temperature at the resort for the week?

Answers

Answer 1

Answer: add the temps up
-24 + (-15) + (-21) + (-32) + (-18) + (-9) + (-14) = -133
now divide by how many numbers there are
-133/7 = -19 <== the mean (average)

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Hank is painting his grandfather's fence. He painted 40 linear feet in 85 minutes. He still has 360 linear feet to paint. His cousins, Sam and Alex, come to help. Sam paints twice as fast and Alex paints half as fast as Hank. Find the constant of proportionality that relates the current fence painting rate? (round to nearest tenth)A) 0.9 B) 1.2 C) 1.6 D) 2.4
What is the best estimate for the sum if 3/8 and 1/12

What is the least number that has 4 odd factors that are all the same

Answers

factors can't be one the factors have to be Odd and the same I would say 3×3×3×3 would be equal to 9×9 = 81 the number 81 has four of factors that are all the same can't be one because one does not count as a factor a prime number has two factors one and itself every number has a factor of one and itself.

Which expression is equivalent to 30(1/2x-2)+40(3/4y-4)?1.45xy-220
2.15x-30y-220
3.15x+30y-220
4.15x+30y-64

Answers

The expression is equivalent to the expression 30(1/2x - 2) + 40(3/4y - 4) will be 15x + 30y - 220. Then the correct option is C.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

The expression is given below.

⇒ 30(1/2x - 2) + 40(3/4y - 4)

Simplify the expression, then we have

⇒ 30(1/2x - 2) + 40(3/4y - 4)

⇒ 15x - 60 + 30y - 160

⇒ 15x + 30y - 220

The expression is equivalent to the expression 30(1/2x - 2) + 40(3/4y - 4) will be 15x + 30y - 220. Then the correct option is C.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ6

15x-60+30y-160
= 15x+30y-220

How do I solve this
heeeeeeeeeeeelllllllllllllllllllpppppppppppp

Answers

CD = √(10²+6.8²) = 10.33

AC = √(14.2²+10²) = 17.36

AD = 14.2+6.8=21

21 +10.33+6.8=38.13 cm (perimeter) rounded 38 cm

The total weight of 30 bags of flour and 4 bags of sugar is 42.6 kg. If each bag of sugar weighs 0.75 kg, what is the weight of each bag of flour?

Answers

The answer is: Each bag of flour weighs 1,32 kg.

If we the total weight of the bags is given, and we know both the number of bags of flour and sugar, and we also know the weight of each bag of sugar, then we have to find the unknown, which is X. 30 times X plus 4 times the weight of a bag of sugar would equal 42.6kg. Next step is to put the unknown on one side and the known values on the other side. We have 30 times X equals 42.6 minus 4 times 0.75.
To find X we need to divide the value with 30, or to sum up

30X + 4*0.75 = 42.6
30X + 3 = 42.6
X = (42.6 - 3) / 30
X = 1.32 kg

The weight of each bag of flour = 1.32 kg

Further explanation

The division operation is one of the basic arithmetic operations

Common signs used are $\large{\boxed{:}}}$ or $\large{\boxed{\slash}}$

The division is written by placing the numerator above the denominator with a horizontal line between them or use a slash with the numerator's position and the denominator is parallel

The division is actually an iterative subtraction operation (as many as the number of divisors)

Division is the opposite of multiplying

The general form of division can be stated by:

$\large{\boxed{\bold{divident:divisor=quotient+remainder}}$

example:

7: 3 = 2 + 1

7 = dividend
3 = divisor
2 = quotient
1 = remainder

Division operation statement:

"7 divided by 3 equals 2 remainder 1"

The form of division can also be expressed in terms of fractions

In the example above, the form of mixed fractions is

$\displaystyle (7)/(3) =2(1)/(3)$

Mixed fractions consist of whole number and proper fractions

One variable linear equation is an equation that has a variable and the exponent number is one.

Can be stated in the form:

$\large{\boxed{\bold{ax=b}}$

ax + b = c,

where a, b, and c are constants, x is a variable

The total weight of 30 bags of flour and 4 bags of sugar is 42.6 kg

we translate this sentence into Arithmetic operations :

Let x = bags of flour

y = bags of sugar

$\displaystyle 30x+4y=42.6~kg$

each bag of sugar weighs 0.75 kg

Because there are 4 bags of sugar, the total weight bags of sugar :

$\displaystyle = 4*0.75~kg$

$\boxed{\bold{=3~kg}}$

Equation becomes :

$\displaystyle 30x+4(0.75~kg)=42.6~kg$

$\displaystyle 30x+3~kg=42.6~kg$

$\displaystyle 30x=42.6~kg-3~kg$

$\displaystyle 30x=39.6~kg$

$\displaystyle x={(39.6)/(30)$

$\large{\boxed{\bold{x=1.32~kg}}$

Learn more

the slope-intercept form of the linear equation

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a graph of a linear equation

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system of linear equations

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Keywords : one variable, linear equation , division, bags of flour, sugar, weighs

DIRECTIONS: Draw a picture to represent each problem. Then, usethe Pythagorean Theorem to answer the question. Answer each
question in a complete sentence.

1. Your family wants to purchase a new laptop with a 17” widescreen. Since the 17
inches represents the diagonal measurement of the screen (upper corner to lower
corner), you want to find out the actual dimensions of the laptop. When you
measured the laptop at the store, the height was 10 inches, but you don’t
remember the width. Calculate and describe how you could figure out the width of
the laptop to the nearest tenth inch.

2. The bottom of a 13-foot straight ladder is set into the ground 5 feet away from a
wall. When the top of the ladder is leaned against the wall, what is the distance
above the ground it will reach?

Answers

Pythagorean theorem is: a^2+b^2=c^2

1. 10^2+b^2=17^2
So 100+b^2=289
b^2=189
b= $√(189)$
b=13 3/4
The dimensions are 10 by 13 3/4

2. 5^2+b^2=13^2
So 25+b^2=169
b^2=144
b=12
The ladder reaches 12 feet off the ground

What is less than 7 and can go into 5 evenly

Answers

There are two numbers that can do the job.

The numbers are 1 and 5 .

By the way ... there is nothing that is MORE than 7 and can do it.

2,7 because they are prime

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3.589 is greater than or less than 3.598

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1.) Use a property to write an equivalent expression for 12*(100-5). Which property did you use? 2.) Stephen is combing all of the juice shown to make fruit punch. Does the expression (64+28+76)÷6 show how you could calculate the number of 3/4 cup servings? Explain. (The amount of juice is in the parentheses)

Which table represents a linear function?