Evaluate the expression -7(-3)(-1)​

Answers

Answer 1

Answer:

− 21

Step-by-step explanation:

-7(-3)(-1)

21(-1)

-21


Related Questions

B. Indicate whether the normal balance of the given account is a debit or a credit and whether the increase or

decrease in such account should be a debit or a credit. Check the appropriate box.

Normal Balance

Effect in the Account

Particulars

Debit

Credit

Debit

Credit

1. Equipment was sold for P 350,000.00

2. Notes Recievable was collected in full

3. Loans Payable in bank was paid in full

4. Office furnishings was acquired for

P 35,000.00

5. Insurance in premium for one year was

paid in November

Answers

Answer:

given below

Step-by-step explanation:

1. Equipment is credited and cash is debited.

2. Notes receivable is credited and cash is debited

3. Loan Payable is debited and cash account is credited

4.Office furnishings are debited and cash is credited.

5. Insurance in premium is debited and  cash is credited.

Summary

1) addition to an asset account is a debit

2) subtraction from an asset account is a credit

3) addition to a liability account is a credit

4) subtraction from a liability account is a debit

5) Bank account is credited when cash is added to it and debited when cash is withdrawn from it

Normal Balance             Effect in the Account       Debit        Credit

1) Equipment  350,000.00   decrease in asset  Cash         Equipment

2. Notes Recievable                                          Cash            N/R

3. Loans Payable    Dec. Accounts /Rec      Loans Payable    Cash

4. Office furnishings  35,000.00                   Office furnishings     Cash

5. Insurance in premium  (+aasets)          Insurance in premium  Cash

2. There was increase in cash and decrease in notes receivable.

Sean and his crew operate a fishing charter company. They caught a blue
marlin and an amberjack. The weight of the blue marlin was 12 times as
great as the weight of the amberjack. The combined weight of both fish was
1,014 pounds. How much did each fish weigh?

Answers

DRACO IS HOT HADIIEIEIDODIS

can someone help asap

Answers

9/5 C means that you do 9/5 times 20/1 giving you 180/5. Divide that and you get 36°. Then add 36 and 32 to finish the equation and get 68° as your final answer.

pls do this will give brainliest

Answers

Answer:

I think it might be b

Step-by-step explanation:

sorry if its wrong

A rectangular building is to have a volume of 8000 fr^3. Annual heating and cooling costs will amount to $2/ft^2 for its top, front, and back, and $4/ft^2 for the two end walls. What dimensions of the building would minimize these annual heating and cooling costs?

Answers

Answer:

the dimensions that will minimize the cost are; 25.2 ft × 25.2 ft × 12.6 ft

Step-by-step explanation:

If the length, width and height of the building are represented by a, b and c, then we have:

Volume = abc

We are given volume as 8000 ft³. Thus;

abc = 8000

Top area = ab

Front area = ac

Back area = ac

End walls area = bc

We are told that cooling costs will amount to $2/ft² for its top, front, and back, and $4/ft² for the two end walls.

Thus, cooling cost equation is;

X = 2(ab) + 2(ac) + 2(ac) + 4bc + 4bc

X = 2ab + 4ac + 4bc

Now, from the volume equation where abc = 8000.

c = 8000/ab

Thus;

X = 2ab + 4a(8000/ab) + 4b(8000/ab)

X = 2ab + 32000/b + 32000/a

To minimize, we will find the a and b derivative and set the equation to zero in both cases.

Thus;

dX/da = 2b - 32000/a² = 0

2b = 32000/a² - - - eq(1)

Also;

dX/db = 2a - 32000/b² = 0

2a = 32000/b² - - - (eq 2)

Making a the subject in eq 2 gives;

a = 32000/2b²

a = 16000/b²

Putting 16000/b² for a in eq (1) gives;

2b = 32000/(16000/b²)²

2b = 32000b⁴/256000000

2b = b⁴/8000

Multiply both sides by 8000 to get;

2b × 8000 = b⁴

16000b = b⁴

Divide both sides by b to get;

16000 = b³

b ≈ 25.2 ft

Putting 25.2 for b in a = 16000/b², we have;

a = 16000/25.2²

a ≈ 25.2

Putting a and b = 25.2 in the volume equation, we have;

25.2 × 25.2 × c = 8000

c = 8000/(25.2 × 25.2)

c = 12.6 ft

Thus, the dimensions that will minimize the cost are; 25.2 ft × 25.2 ft × 12.6 ft

3 cups of cashews : 2 cups of almonds a rate, a proportion, or only a ratio?

Answers

Answer:

5 cups

Step-by-step explanation:

Soda cans A machine that fills cans with soda fills according to a Normal model with mean 12.1 ounces and standard deviation 0.05 ounces. a. If the cans claim to have 12 ounces of soda each, what percent of cans are under-filled

Answers

Answer:

The percentage is  [tex]p = 4.55\%[/tex]

Step-by-step explanation:

From the question we are told that

 The mean is [tex]\mu = 12.1 \ ounce[/tex]

  The standard deviation is  [tex]\sigma = 0.05 \ ounce[/tex]

    The value of soda each can claims to have is  [tex]X = 12 \ ounce[/tex]

Generally the z-score is mathematically represented  as

         [tex]z = \frac{ X- \mu }{\sigma }[/tex]

=>      [tex]z = \frac{ 12-12.1 }{0.05}[/tex]

=>      [tex]z = -2[/tex]

From the z table the area under the normal  curve representing the proportion of under filled cans is

      [tex]P(x <-2 \ or\ x > 2)= 0.0455[/tex]

Converting to  percentage

       [tex]p = 0.0455 *100[/tex]

=>    [tex]p = 4.55\%[/tex]

Marty is spending money at the average rate of $3 per day. After 14 days he has $68 left. The amount left depends on the number of days that have passed.

Answers

Answer:

2+

Step-by-step explanation:

Assume that when adults with smartphones are randomly selected, 39% use them in meetings or classes. If 30 adult smartphone users are randomly selected, find the probability that exactly 24 of the use their smartphones in
meetings or classes
The probability is .
(Round to four decimal places as needed)

Answers

Answer:

n = 10

p = 0.56

Step-by-step explanation:

what is the value what is the value of x in this equation 3(4x-6) - 2x + 1 = 3 - (3x - 6)

Answers

Answer:

x=2

Step-by-step explanation:

I think the answer would. be X=2

PLZ HELP

A train travels at an average speed of 67.5 miles per hour. At this speed, how far could the train travel in 3.25 hours?

Answers

Answer:

219.375 miles

Step-by-step explanation:

1 hour the train can go for 67.5 miles

so multiply the 67.5 with 3.25 and then you will get 219.375

Find the percentage of area under a normal curve between the mean and the given number of standard deviations from the mean.1.68

Answers

Answer:

0.4532

Step-by-step explanation:

Given the question :

Find the percentage of area under a normal curve between the mean and the given number of standard deviations from the mean.1.68

Number of standard deviations from the mean = 1.68

I. 68 standard deviations below the mean :

Mean = 0(normal distribution)

P(Z < 0) = 0.5

1.68 standard deviations above the mean = + 1.68

P(Z < 1.68) = 0.95352

P(0 < x < Z) = (0.95352 - 0.5) = 0.4532

What is the unit's digits in the product 7³⁵×3⁷¹×11⁵⁵
A.1
B.3
C.7
D.9

Answers

Answer:

A.1

Step-by-step explanation:

Apply exponent rule [tex](3^{7}) ^1(11^{5} *7^{3} )^{5}[/tex]

[tex]=55240493^{5}(3^{7})^{1}[/tex]

Apply rule a^1=a = [tex]3^{7} *55240493^{5}[/tex]

[tex]=55240493^{5}*2187[/tex]

= 1.2496......E42

:)Hope you enjoy this:)

Evaluate the expression 263 + 5 when b= 3.

Answers

Answer:

59

Step-by-step explanation:

2b^3+5 when b=3

Plug in the value of b

2*3^3+5 = 2*27+5 = 54+5 = 59

factor the GCF: 12x^4y-9x^3y^2+3x^2y^3

Answers

Answer:

3x^2y

Step-by-step explanation:

May i please have brainliest :)

Suppose a research firm conducted a survey to determine the mean amount steady smokers spend on cigarettes during a week. Previous research indicates the population mean is $20 per week. The population standard deviation is $5. What is the probability that a sample of 100 steady smokers spend between $19 and $21

Answers

Answer:

The probability is 0.9545

Step-by-step explanation:

To find this probability, we shall use the z-score formula

Mathematically;

z-score = (x - mean)/SD/√n

where mean = 20

SD = 5

n = 100 and so √100 = 10

So for 19, we have ;

(19-20)/5/10 = 1/0.5 = -2

For 21, we have

(21-20)/5/10 = 1/0.5 = 2

So the probability we want to calculate is

P( -2 < z < 2)

we can use the standard normal distribution table for this

Using this table;

P(-2<z<2) = 0.9545

For f(x)=2x+1 and g(x) = x + 14, find (f o g) (x).
A. 2x^3+x^2-14x-7
B 2x+29
C. 2x^2-6
D. 4x^2+4x-6

Answers

Answer && Step-by-step explanation:

f o g x

== f(g(x))

plug g(x) into x variables

f(x)=2x+1 , g(x)=x+14

2(x+14)+1

2x+28+1

==2x+29

b is the answer

PLEASE HELP ASAP!!!! I WILL MARK BRAINLIEST!!!!


After getting 5 new rocks, George gave half of his rock collection to Susan. If George gave 36 of his rocks to Susan, which equation could be used to determine how many rocks George started with?

A. 1/2 x = 36 + 6
B. 1/2 (x-5) = 36
C. 1/2x+5=36
D. 1/2 (x+5) = 36

Answers

It’s C because he had 5 new rocks and gave half away
The answer is D❤️ hope you have a good day

One pump can fill a gasoline storage tank in 8 hours. With a
second pump working simultaneously, the tank can be filled in 3
hours. How long would it take the second pump to fill the tank
operating alone?

Answers

Answer:

eight hours long to operate

(a) Suppose that a person has an average heart rate of 72.0 beats/min. How many beats does he or she have in 2.0 y

Answers

Answer:

[tex]7.56\times 10^7\ \text{beats}[/tex]

Step-by-step explanation:

It is given that,

A person has an average heart rate of 72.0 beats/min.

We need to find how many beats does he or she have in 2.0 years, t = 2 Y

Converting years to min.

[tex]t=2\text{year}\times \dfrac{365\ \text{days}}{\text{year}}\times 24\dfrac{h}{\text{day}}\times \dfrac{60\text{min}}{\text{hour}}\\\\t=1051200\ \text{min}[/tex]

So, no of beats in 2 years is given by :

[tex]b=72\ \text{beats/min}\times 1051200\ \text{min}\\\\b=7.56\times 10^7\ \text{beats}[/tex]

Hence, the required answer is [tex]7.56\times 10^7\ \text{beats}[/tex].

What is the sum of the integers less than 100 that have both 6 and 9 as divisors?

Answers

Answer:

The sum of the integers less than 100 that have both 6 and 9 as divisors is 270

Step-by-step explanation:

To determine the integers less than 100 that have both 6 and 9 as divisors,

First, we will list the multiples of 6 and 9 that are less than 100, and the common multiples will give the integers less than 100 that have both 6 and 9 as divisors.

Multiples of 6 less than 100 are:

6, 12, 18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78, 84, 90, and 96.

Multiples of 9 less than 100 are:

9, 18, 27, 36, 45, 54, 63, 72, 81, 90, and 99.

Hence, the integers less than 100 that have both 6 and 9 as divisors are 18, 36, 54, 72 and 90.

Then, the sum of the integers less than 100 that have both 6 and 9 as divisors is

18 + 36 + 54 + 72 + 90 = 270

Hence, the sum of the integers less than 100 that have both 6 and 9 as divisors is 270.

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