Mathematics Middle School

Evaluate.

7+22⋅6+23−6


31

33

68

I don't know.

Answers

Answer 1

Answer:

7+22(6)+23-6

Step-by-step explanation:

The answer is 156 so its not on here

So....

Answer 2

Answer:

156

Complete multiplication

Then addition

Addition again

Subtraction last

Related Questions

Use mental math to find the sum.
28 + 65

Answers

Answer:

94 is the answer hope this helps

Step-by-step explanation:

Sum: 93

I don't know what u mean by mental math sorry...

Sila jogged 12 kilometers today and wants to know how far she traveled in feet. What error did Sila make while converting from kilometers to feet?

StartFraction 12 kilometers Over 1 EndFraction times StartFraction 0.62 miles Over 1 kilometer EndFraction times StartFraction 5280 feet Over 1 mile EndFraction = 392,832 feet
Sila put a wrong number in her calculator when multiplying the numerators.
Sila’s first fraction should be StartFraction 1 kilometer Over 0.62 miles EndFraction.
Sila’s last fraction should be StartFraction 1 mile Over 5280 feet EndFraction.
Sila forgot to divide by 0.62.

Answers

Answer:

A

Step-by-step explanation:

Sila put a wrong number in her calculator

Sila jogged 12 kilometers today and wants to know how far she traveled in feet. What error did Sila make while converting from kilometers to feet ? The correct answer is Option a) Start Fraction 12 kilometers Over 1 End Fraction times Start Fraction 0.62 miles Over 1 kilometer End Fraction times Start Fraction 5280 feet Over 1 mile End Fraction = 392,832 feet.

Sila's mistake can be identified in her conversion calculation. She first needs to convert kilometers to miles and then miles to feet. Let's break down the process step by step:

1. Kilometers to Miles:

Start by converting kilometers to miles.

There are 0.62 miles in 1 kilometer.

So, the first fraction is correct:

Start Fraction 12 kilometers Over 1 End Fraction times Start Fraction 0.62 miles Over 1 kilometer End Fraction.

2. Miles to Feet:

Next, convert miles to feet.

There are 5280 feet in 1 mile. Sila's calculation is incorrect at this step. The correct fraction to use here is Start Fraction 5280 feet Over 1 mile End Fraction.

Now, let's put it all together:

- Start Fraction 12 kilometers Over 1 End Fraction times Start Fraction 0.62 miles Over 1 kilometer End Fraction times Start Fraction 5280 feet Over 1 mile End Fraction

Multiply the fractions step by step:

- 12 kilometers * 0.62 miles/kilometer * 5280 feet/mile

- This simplifies to 392,832 feet.

So, Sila's error lies in not using the correct conversion factors for both kilometers to miles and miles to feet.

The correct conversion factors should be applied in sequence, leading to the final answer of 392,832 feet traveled.

To know more about Conversion here

https://brainly.com/question/17721754

#SPJ3

Complete Question

Sila jogged 12 kilometers today and wants to know how far she traveled in feet. What error did Sila make while converting from kilometers to feet?

a) Start Fraction 12 kilometers Over 1 End Fraction times Start Fraction 0.62 miles Over 1 kilometer End Fraction times Start Fraction 5280 feet Over 1 mile End Fraction = 392,832 feet

b) Sila put a wrong number in her calculator when multiplying the numerators.

c) Sila’s first fraction should be Start Fraction 1 kilometer Over 0.62 miles End Fraction.

d) Sila’s last fraction should be Start Fraction 1 mile Over 5280 feet End Fraction.

e) Sila forgot to divide by 0.62.

A sandbox has an area of 32 square feet, and the length is 4 1/2 feet. What is the width of the sandbox?

Answers

to answer this you would need to divide the area (32) by the side length (41/2)

im gonna change it to 4.5

32/4.5 which is about 7.11->

answer 7.11->

Answer:

about 7.1 feet for the answer

Step-by-step explanation:

Multiply.

17.22⋅(−2.4)

Enter your answer in the box.

Answers

Answer:

-41.328

Step-by-step explanation:

-41.328 Just multiply the numbers together

Which of the following is an example of the associative property of multiplication?

7 · (3 · 5) = (7 · 3) · 5
7 · (3 + 5) = 21 + 35
7 · (3 · 5) = 7 · (5 · 3)
7 · 1_7 = 1(that one has a fractien in it i think)

Answers

Answer:

The first and third

Step-by-step explanation:

Please help! Very easy!

Answers

12 is what 30% of what number answer:40
16 is what 58% of what number answer: 27.58
40 is what 120% of what number answer: 33.33
30 is what 20% of which number answer: 150
15 is what 45% of which number answer: 33.33
what he/she said exactly

PPPPPPPPPPPPlease help me

Answers

Answer:

1/7 divided by 5/2

= 1/7 x 2/5

= 2/35

2/35 is the answer

Step-by-step explanation:

60 divided by 400 with the reminder

Answers

Answer:

405 iS the answers

✓✓✓✓✓✓

400 divided by 60 with the remainder is 6 remainder 40.

Line segment CD is shown on a coordinate grid:

A coordinate plane is shown. Line segment CD has endpoints 1 comma 2 and 1 comma negative 1.
The line segment is reflected about the y-axis to form C′D′. Which statement describes C′D′?

C′D′ is perpendicular to CD.

C′D′ is half the length of CD.

C′D′ is greater than twice the length of CD.

C′D′ and CD are equal in length.

Answers

Answer:

im pretty sure the answer would be C'D' and CD would be equal in length!

Step-by-step explanation:

because you are only reflecting it across the y-axis, no changes will be made to the line itself, only the location of the line :)

C’D’ and CD are equal in length.

The image shows the linear graph for a family that hired a babysitter for a day. The family gave the babysitter some money up front to buy herself some lunch, and then paid her a constant hourly rate for the hours she worked. Click the thumbnail image to see the full size image.

Which 2 of the following statements are TRUE about THE POINT AT (3, 40) on this line? Select the TWO statements that are accurate.
A. The point at (3, 40) means that the total cost of babysitting after 3 hours is $30.
B. The point at (3, 40) means that the total cost of babysitting after 3 hours is $40.
C. The point at (3, 40) means that a x-value of 3 corresponds to a y-value of 40.
D. The point at (3, 40) means that a x-value of 40 corresponds to a y-value of 3.

Answers

Answer:

I think It's B and C

I NEED HELP JUST PUT A B C D

Answers

Answer: B C A D

I added a picture with the full explanation!

Identify the slope of the line: y = 3x/4 - 3

Answers

Answer:

Khan Academy slope of a line

Step-by-step explanation:

This is a great video explaining slope of the line

Which product is negative? −6⋅(−7)⋅(−8)⋅0 −3⋅(−2)⋅(−4)⋅(−7) −2⋅(−7)⋅12⋅(4) 4⋅(−9)⋅(−3)⋅(−1)

Answers

Answer:

Last choice

Step-by-step explanation:

To say it simply if products are in negative or not, we can tell by:-

Looking at negative symbolsThen count how many negative signs are there.If there are even-number signs (2 negative signs, 4 negative signs, etc.) then the product is positive.If there are odd-number negative signs (a negative sign, 3 negative signs, 5 negative signs, etc.) then the product is negative.

The only choice that has odd-number negative signs is last choice — othere have 2 or 4 negative signs.

Additionally, keep in mind that:-

positive • positive = positivepositive • negative = negativenegative • negative = positivesame signs multiply each others = same signopposite signs multiply each others = negative (For plus and minus)

Above are important fundamental to Algebra and many mathematic courses so you better remember it!

Let me know if you have any questions regarding this topic and I will answer all your doubts!

The answer is D


4 x (-9) = -36 x (-3) = 108 x (-1) = -108
Making the last answer the only befit I’ve outcome

pls help i dont know how to do it

Answers

i’m not 100% sure if this is a compound inequality but this is how i would write it

Answer:

I think I know #2.

Step-by-step explanation:

25-30, so choose a number

Hi...CAN YOU PLS HELP MEEEE "Enter the correct value in each box to solve. Express the quotient in unit form and then in standard form."

Answers

Answer:

for the first line put 9 in ones and 36 in hundredths

for the second line put 3 in the ones and 12 in the hundredths

for the last line put 3.12

mark as brainliest if this helps

Answer:

1s:t 9=ones 36=hundredths

2nd: 3=ones 12=hundredths

3rd: 3.12

im doing nderline digits and round eqch umber to place value i dont get it !!! HELP ME PLEASE

Answers

If it’s 5+ it rounds up if it’s 1-4 it stays the same and u add zeros to the numbers after it!

Answer:

If something is more than 5 you round up to the nearest 10 number, if it's less than 4 you round down to the nearest 10 number

Examples:

5 - round up to 10

45 - round up to 50

67 - round up to 80

------------------------------------------------------

44 - round down to 40

42 - round down to 40

91 - round down to 90

See where this is going?

Still don't understand? Ask a teacher or parent. There are also video tutorials you can watch for more help

Gina ran three miles for her workout today. She ran the first mile in 8.4 minutes, the second mile in 7.75 minutes, and the third mile in 7.35 minutes. What was her total time for the three miles?


23.40 minutes

15.94 minutes

22.50 minutes

23.50 minutes

Answers

The answer would be 23.50 minutes because you do 8.4 + 7.75 + 7.35
23.50 because 8 + 7 + 7 = 22
.40 + .75 + .35 = 1.50

A survey showed that of 100 high school students, 50 of them took biology, 20 took chemistry, and 12 took both. How many of the 100 students took neither biology nor chemistry?

**Show your work**

Answers

Answer:

the answer is 18

Step-by-step explanation:

50+20+12=82

82 - 100 = 18

In how many ways can you make change for $50 using only $5 $10 or $20 bills

Answers

Answer:

12 ways

Step-by-step explanation:

Let's write down every possibility starting by using the largest quantity of $20 bills and we'll go from there, everytime that we get a $10 bill we will split it in the next option into 2 $5 bills. (20)(20)(10) (20)(20)(5)(5)

Answer:

There is 5 ways

Step-by-step explanation:

Alyssa says that -√13/2 is a rational number because it is written in the form a/b. Is she correct? Explain your answer.

Answers

Answer:

no

Step-by-step explanation:

no because root 13 is not operational number it is irrational because it has no roots

no, because the root of 13 is 3.605551275 which is an irrational number.

PLEASEE HELPP QUICK!!!
QUESTIONS IN THE PICTURESS

Answers

9. sensitive noses, big ears, and long tail.
10. ferns, yeasts, hydras, and amoebas

Answer:

1.) Long tail, Big ears, More sensitive noses.

2.) Amoebas, Yeasts, Hydras, and Ferns.

Reasoning; All of them have asexual traits, which means there only needs to be one parent to produce offspring, in turn meaning it would only have that one parents genes: making the offspring identical to the one parent.

CAN ANYONE HELP ME PLEASE 20 POINT!!!

Answers

Answer:

the answer should be B -3

Step-by-step explanation:

1+3-5-2= -3

1 +3 - 5 - 2 = 3
Which is B - 3

name th e place valur to wich each number was roundwd 1.974 to 2.0 please help me i dont get showing our work

Answers

Answer:

18.20

Step-by-step explanation:

There Is A Difference Between 'Tenths' And 'Tens'. Tenths Is The First Decimal. Tens Is Whole Numbers Such As 1, 2, Or 3. In That Case You Rounded It To The Tens.

Answer:

18.2

Step-by-step explanation:

Hope it Helps!

Use mental math to find the difference.

492 - 206

Answers

Answer:

286

Step-by-step explanation:

which of these numbers are perfect squares 1,24,225, or 500

Answers

Answer:

225 has to be correct as Root 225 = 15 which is just perfect

Step-by-step explanation:

Please give brainliest :)

Use picture to answer question
Show work for answer

Answers

It’s “D” I’m pretty sure.
The correct answer is :D”

Umm I need some help pleaseeeeee

Answers

Underline the verbs in these sentences and state in each case whether the verb has been used Transitively or Intransitively. If the verb is used transitively, point out the objects: Direct Indirect 1. Sheila gave us a bag. 2. Ioffered him a cake. 3. The car halted suddenly. 4. The teacher told us a story.

Answer:

Step-by-step explanation:

Elvin

The height of a rocket launched with an initial velocity of v feet per second is represented by the equation d = 3 + vt – 16t2, where t is the number of seconds after launch. With what initial velocity must the rocket be launched to reach a height of 255 feet in 3.5 seconds?

Answers

Dawg I which I could help ya out beiendbjdmd hdmdbdhdke dvejembdjdme be no o no o no

Answer:

i do not know

Step-by-step explanation:

A, K, and L have a total of $159. A has $11 more than K. L has twice as much money as K. How much money does L have?
What strategy will you be using?
Write what you did and why you did it.

Answers

Answer:

$74

Step-by-step explanation:

Let amount of money that K has be $x.

x+x+11+2x=159

4x+11=159

4x=159-11

=148

x=148÷4

=37

2x=37×2

=74

Answer:

74

Step by step :

can someone help with this pls? i don’t understand math at all

Answers

Answer:

Option 1: Subtraction property of equality and division property of equality

Step-by-step explanation:

The equation will use subtraction and division in order to simplify like terms to find the value of d.

Answer:

same LOL

Step-by-step explanation:

i get so bored trying to do it

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