89+23-21 explain your answer

Answers

Answer 1

Answer:

91

Step-by-step explanation:

PEMDAS rules apply...so addition then subtraction


Related Questions

0
ZA=
Round your answer to the nearest hundredth.
B
3
4
6
с

Answers

Answer:

B?346C is the answer get noob
B 346c step by step

The time, T (seconds) it takes for a pot of water to boil is inversely proportional to the cooker setting, H, applied to the pot. When H = 8, T = 120. Work out T when H = 10​

Answers

Answer:

T = 96

Step-by-step explanation:

From the question given above, we were told that the time, T (seconds) it takes for a pot of water to boil is inversely proportional to the cooker setting, H. This can be written as:

T ∝ 1/H

T = K/H

Cross multiply

K = TH

Next, we shall determine the value of K. This can be obtained as follow:

H = 8

T = 120

K =?

K = TH

K = 120 × 8

K = 960

Finally, we shall determine the value of T when H = 10. This can be obtained as illustrated below:

H = 10

K = 960

T =.?

T = K/H

T = 960/10

T = 96

Why couldn’t you live without your tv 5 sentences!!!!

Answers

Answer:

because would die of boredom .and i wouldn't have Netflix or Hulu.and i would have nothing to look forward. to when i come home from school i would have to just go and do homework. and without TV you would not have a news channel so you wouldn't know things to are important to life.

Step-by-step explanation:

write and equation to solve for x.
what is the value of x?

Answers

Well since both angles equal a right triangle (90 degrees) you would set up the equation 90=2x+3x+5

90=2x+3x+5
85=5x
17=x

and to find the angles, just plug in x which is 17

Where can parentheses be placed in the expression so that it has a value of 500?

6+23−4 ⋅ 3

Answers

Answer:

(6 + 2)³ - 4 x 3

Step-by-step explanation:

which equation is true ?
4/-9 = -4/9
4/-9 = 2/-3
4/-9 = 4/9
4/-9 = 2/3

Answers

Answer:

4/-9 = 2/3

Step-by-step explanation:

a class has 10 students how many choices for a president and a vice president are possible?

Answers

Answer:

for president there are 10, and in vice president there are 9

find the area of the shape below

Answers

Answer:

60

Step-by-step explanation:

10.3+13.7=24

24x5=120

120/2= 60 (divided by half)

ANSWER IS 60

Answer:

60

Step-by-step explanation:

Just multiply the numbers together

find x and y in
(i) 23x- 29y= 98 and 29x -23y =110
(ii) 99x +101y =499 and 101x +99y =501

Answers

Answer:

23 x-29y=98.......(1)

29 x-23y=110.......(2)

adding (1) and (2)we get

52 x-52y=208

52(x+y)=208

x-y=4...(3)[we get four by dividing 208 with 52]

subtract (2) from (1) we get

-6 x-6y=-12

x-y=2.....(4)

adding (3) and (4) we get

2x=6

therefore x=3

now from (4) we get

x-y=2 [we substitute xfor 3]

3-y=2

y=2-3

y=-1( that is the answer for your first question)

Step-by-step explanation:

99x+101y=499.....(1)

101x+99y=501.....(2)

add (1) and (2)

(99+101)x+(101+99)=(499+501)

200x+200y=1000

200(x+ y)=1000

x+y=5.....(3)

subtract (2)from(1) we get

2x-2y=2

2(x-y)=2

x+y=1.......(4)

x+y=5

x-y=1(add them together)

2x=6

x=3

substitute x equal to 3 in equation (3)

x+y=5

3+y=5

y=2

y equal to 2 and x equal to 3

hope is not too late

La expresión decimal de 28/6 es
1 punto
A. 4,6666...
B. 4,666
C. 4,66
D. 4,6

Answers

A

paso a paso:

dividir 6 de 28

(x + 7)^2 – 11 = 0
lesser =
greater r =

Answers

Answer:

Lesser r = - 7 - √11  or -10.32 to nearest hundredth.

greater r = - 7 + √11  or -3.68 to nearest hundredth.

Step-by-step explanation:

(x + 7)^2 – 11 = 0

(x + 7)^2 = 11

x + 7 = ±√11.

Please help me I’m horrible at math and have a assignment due soon.

Answers

Answer:

9 x b =36

Step-by-step explanation:

Hopefully, this is helpful

Answer:

9b = 36

Explanation:

A grocery store sells three different quantities of sugar. A 1-pound bag costs $1.08, a 2-pound bag costs
$1.86, and a 3-pound bag costs $2.76. Enter the unit cost in price per pound for each. Complete the
description about how the unit cost changes as the quantity of sugar increases.

Answers

Answer:

for every pound is x + 10. x is originally 80

help me, please and ty

Answers

Answer:

3/5, 30%, 0.1

Step-by-step explanation:

0.4 + 1/2 + 40% = 0.4 + 0.5 + 0.4 = 1.3

3/4 + 0.25 + 1/2 = 0.75 + 0.25 + 0.5 = 1.5

3/5 + 30% + 0.1 = 0.6 + 0.3 + 0.1 = 1

The last choice is a probability complement because all values add to 1.

You paint four walls. Each wall is a rectangle with a length of 18 feet and a height of 12 feet. One gallon of paint covers about 320 square feet. How many gallons of paint do you need in order to cover the walls?

Answers

Answer:

3 gallons

Step-by-step explanation:

18X12 = 864 square feet

864 divided by 320 = 2.7

Which expression is equivalent to
(r-7)6?

Answers

Answer:

Step-by-step explanation:

The expression equivalent to

[tex]( r^{-7})^{6} \\is\\\frac{1}{r^{42} }[/tex]

Hope it helps :)

Does any one know how to do determining the GFC

Answers

Answer:

Yes, GCF stands for (greatest common factor)

so to find it do this:

   List the prime factors of each number.

   Circle every common prime factor — that is, every prime factor that's a factor of every number in the set.

   Multiply all the circled numbers. The result is the GCF.

Step-by-step explanation:

please find the median!!!

will give brainliest!!!

Answers

Answer:

8, 10, 15, 16, 17, 17, 22

16 is the median

Step-by-step explanation:

Answer:

median is 16

Step-by-step explanation:


A plant is already 51 centimeters tall, and it will grow one centimeter every month. The plant's height, H (in centimeters),
after m months is given by the following function.
H (m) - 51+ m
What is the plant's height after 27 months?

Answers

Answer:

78 becayse u take 51 and add 27

Answer:

78

Step-by-step explanation:

just add them to get it it might sound hard but it's pretty easy

Help........Betty wants to bake the perfect cookie. She wants to determine the ideal temperature at which to bake the cookies. She has enough batter to make 60 cookies. She decides to randomly assign 15 cookies to be baked at 300°, 15 at 325°, 15 at 350°, and 15 at 375°. The baking time for each batch is 12 minutes. Which statement about the randomization for the completely randomized design is correct? Betty should place the first 15 balls of cookie dough that she scoops from the batter on a tray, and those will be baked at 300°. The next 15 will be placed onto a second tray to be baked at 325°. She should continue in this manner until all 60 cookies have been placed on trays. Betty should scoop a ball of cookie dough from the batter, and then roll a die. Numbers 1–4 would indicate at which temperature the cookies will be baked, and 5–6 would indicate that she should roll again. She should repeat this process until all 60 cookies have been allocated. Betty should prepare all 60 cookies. Each cookie will receive a number. The numbers will be written on slips of paper, put into a hat, and shuffled well. The first 15 numbers drawn will indicate the cookies to be baked at 300°, the next 15 will indicate the cookies to be baked at 325°, and so on until all 60 cookies are allocated. Betty should place the first cookie on a tray to be baked at 300°. The second cookie will go on a tray to be baked at 325°, the third will go on a tray to be baked at 350°, and the fourth will go on a tray to be baked at 375°. She will continue placing the cookies in this pattern until all 60 cookies are on trays to be baked.​

Answers

Answer: Betty should prepare all 60 cookies. Each cookie will receive a number. The numbers will be written on slips of paper, put into a hat, and shuffled well. The first 15 numbers drawn will indicate the cookies to be baked at 300°, the next 15 will indicate the cookies to be baked at 325°, and so on until all 60 cookies are allocated.

Step-by-step explanation: I just got it correct on Edge :)

The true option about the randomized design is (c) Betty should prepare all 60 cookies. Each cookie will receive a number. The numbers will be written on slips of paper, put into a hat, and shuffled well. The first 15 numbers drawn will indicate the cookies to be baked at 300°, the next 15 will indicate the cookies to be baked at 325°, and so on until all 60 cookies are allocated.

The given parameters are:

[tex]\mathbf{n = 60}[/tex]

[tex]\mathbf{Batches = 4}[/tex]

[tex]\mathbf{Cookies= 15}[/tex] ---- the number of cookies in each batch

[tex]\mathbf{Temperature= 300,325,350,375}[/tex]

To randomly assign the cookies to the given temperatures, all cookies have to be subjected to the same conditions (except the difference in the temperature).

This means that, she can bake all the cookies at once at different temperatures, while noting down the cookies with a given number.

Hence, the true option is (c)

Read more about randomization at:

https://brainly.com/question/20046524

PLEASE HELP
What is the area of this trapezoid?



Enter your answer in the box.

Answers

Answer:

it would be 44

Step-by-step explanation:

because you do base ×hight ×base

John belongs to a boating club that rents sailboats for $60 for the first hour and $20 for each additional hour. After renting a boat one day, he owed the boating club a fee of $140.

Write and solve an equation to find how many hours he kept the boat.

Answers

Answer:

4 Hours

Step-by-step explanation:

The original boating fee is $60 then you add $20 per hour so 20 x 4 = 80

80+60=140 $140

Answer: 140=60+20x. He kept the boat for 4 hours

Step-by-step explanation:

x=hours

y=final cost and the final cost is $140

to find x you would use the equation: 140=60+20x

you would first subtract 60 from both sides and you would get:

80=20x

Now you would divide 20 from both sides

So x is 4

The population of rabbits on an island is growing exponentially. In the year 1992, the population of rabbits was 8300, and by 2000 the population had grown to 21500. Predict the population of rabbits in the year 2009, to the nearest whole number.

Answers

Answer:

36350

Step-by-step explanation:

1992 : 8300

2000 : 21500

1992/2000 = 8300/21500

Each year, population grow around 1650 rabbits

In 2009: 21500+(1650*9) = 36350


1. Jabar will be charged an $8 fee to join the local swimming pool. Each time Jabar goes
swimming, he'll be charged an additional $2.
a) What will it cost Jabar if he swims... 1 time? 2 times? 10 times?

Answers

Answer:

to help you answer your question: 8+ 2x (x is the amount of times he goes swimming) for example if he were to go swimming 2 times--> 8+ (2)2 = $12

Complete the sentences to describe the function f (x) = StartFraction 2 x squared + 16 x Over 16 x cubed minus x EndFraction.

The function is discontinuous at x =
.

To create the extended function, add f(x)=
.

Answers

Answer:

0 & -16,x=0

Step-by-step explanation:

The function is discontinuous at x = 0, x = 1/4 and x = -1/4.

To create the extended function, add f(x) = 0.

What does it mean when a function is discontinuous?

A function is discontinuous when the f(x) cannot be defined.

What is an extended function?

An extended function aims to make the function continuous at some values of the variable.

It is given that:

[tex]f(x)=\frac{2x^{2}+16x}{16x^{3}-x}[/tex]

StepsStep 1 of 2:

The function becomes discontinuous when the denominator becomes zero.

∴ 16x³ - x = 0

⇒ x(16x² - 1) = 0

⇒ x = 0 and 16x² -1 = 0

This is further simplified:

16x² -1 = 0

x² = 1/16

x = ±1/4

This means that the function is discontinuous at x = 0, x = 1/4 and x = -1/4.

Step 2 of 2:

The function can be extended as follows:

[tex]f(x)=\frac{2x^{2}+16x}{16x^{3}-x}\\f(x)= \lim_{x \to 0} \frac{2x^{2}+16x}{16x^{3}-x}\\= \lim_{x \to 0} \frac{x(2x+16)}{x(16x^{2}-1)}\\= \lim_{x \to 0} \frac{2x+16}{16x^{2}-1}\\[/tex]

We do not have to add anything to f(x) to extend it. Hence zero can be added to it.

Therefore, we have found that the function is discontinuous at x = 0, x = 1/4 and x = -1/4, and that we can create the extended function by adding 0.

Learn more about discontinuity here: https://brainly.com/question/1417220

#SPJ2

help agin please number 8

Answers

Answer:

G

Step-by-step explanation:

5 + 7 > 9

12 > 9

5 + 9 > 7

14 > 7

7 + 9 > 5

16 > 5

Answer:

G as

5+7 more than 9

5+9 more than 7

7+9 more than 5

Who can help me out with this please??

Answers

Answer:

i can't sorry

Step-by-step explanation:

If 50-3x=x-26, then x=

Answers

Answer:

x=19

Step-by-step explanation:

50 - 3x = x -26

50-3x-50=x-26-50

-3x=x-76

-3x-x=x-76-x

-4x= -76

x= -76/-4

x=19

A triangle has an area of 3x^2+9x-54 square centimeters. If the height of the triangle is x+6 centimeters, find the length of the base

Answers

it should be b = 6(x - 3)

Original price of an SUV: $42,000.00
Tax: 3%

Answers

Answer:15

Step-by-step explanation:

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