In scientific notation

In Scientific Notation

Answers

Answer 1

[tex](3.9 \times {10}^{ - 3}) + 0.0026 = [/tex]

[tex](39 \times {10}^{ - 4}) + (26 \times {10}^{ - 4}) = [/tex]

[tex]39 \times {10}^{ - 4} + 26 \times {10}^{ - 4} = [/tex]

[tex]Factoring \: {10}^{ - 4} [/tex]

[tex] {10}^{ - 4} \times (39 + 26) = [/tex]

[tex]65 \times {10}^{ - 4} = 6.5 \times {10}^{ - 3} [/tex]

_________________________________

And we're done.

Thanks for watching buddy good luck.

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Related Questions

the opposite side of a parallelogram are 2x,+10 and 5x-20 find the length of the side of the parallelogram represented by 4x-1​

Answers

Answer:

39

Step-by-step explanation:

5x-20=2x+10 (opposite sides of parallelogram are equal)

5x-2x=10+20

3x=30

x=30/3

x=10

Now putting the value of x in 4x-1, we get

(4×10)-1

= 40-1

= 39

Can someone help me on this problem please (picture above)

Answers

Answer:

the value of a is 2.

Step-by-step explanation:

3a - 2 + 5a + 3 + 6a + 1 = 30

14a + 2 = 30

14a = 28

a = 2

Solve the equation using Inverse operatlons.
2 + x^3=18

Answers

16/3 or 5 1/3. The answer

HELP PLEASEEEE ASAPPPPP PLEASEEEEEEEEEEEEEEEEEEE

Answers

9, if you plug it in 8(9)-10=62

For the past three months, Grace used her cell phone for 43 minutes, 62 minutes, and 57 minutes. How many minutes would she have to use her cell phone this month for the average usage over the four months to be 55 minutes? Be sure to include units in your answer

Answers

Answer:

Step-by-step explanation:

If they want the average for four months to be 55 minutes, this means that the total of the four months = 55 x 4

Total of four months = 220 minutes

They already told us that the three previous months she used her cellphone for 43 minutes, 62 minutes and 57 minutes.

All you have to do now is subtract everything from the total of the four months.

4th month = 220 - 43 - 62 - 57

= ? Minutes

BRAINLIEST ANSWER! please help

Answers

It would be the second choice (60+42.95x = 25+49.95x) because 60 is the flat rate and 42.95 is the cost per month for company a. company b has a flat cost of 25 with a 49.95 cost per month.

1... 2(9n-1)+7(n+6)=-60
2... 11(4-6y)+5(13y+1)=9

Answers

Step-by-step explanation:

2(9n-1)+7(n+6)=-60

18n - 9 + 7n + 42 = -60

25n + 33 = -60

25n = -93

n = -3.72

11(4-6y)+5(13y+1)=9

44 - 66y + 65y + 5 = 9

-y + 49 = 9

-y = -40

y = 40

Answer:

Hello! I hope I’m correct!! :)

1. n = -4

2. y = 40

Step-by-step explanation:

Steps for the first equation.

Step #1. {we are solving for “2(9n-1)+7(n+6)=-60”}

[tex]18n-2+7n+42=-60[/tex]

Step #2. Simplify.

[tex]25n+40=-60[/tex]

Step #3. Subtract 40 {from both sides}

[tex]25n=-60-40[/tex]

Step #4. Simplify.

[tex]25n=-100[/tex]

Step #5. Divide both of the sides by 25. Which will be:

[tex]-\frac{100}{25}[/tex]

Step #6. Now divide (simplify) 100 & 25 which will give you the answer.

[tex]n=-4[/tex]

So for the first equation the answer is n = -4

______________________________________

Now let’s solve the second equation.

Step #1. Expand

[tex]-y+49=9[/tex]

Step #2. Subtract 49 from both sides.

[tex]-y+49-49=9-49[/tex]

Step #3. Simplify.

[tex]-y=-40[/tex]

Step #4. Divide both sides by -1.

[tex]-40/-1[/tex]

Step #5. Simplify.

[tex]y=40[/tex]

And your answer to the second equation would be y = 40

Sorry if this is incorrect but I hope this helps! If you have any questions about this, feel free to ask! Have a wonderful day! (≧∇≦)

~By, BrainlyAnime~ <3

Question 2
Select all the ratios that are equivalent to 10:6.
A
5:3
B
20:6
С
6:10
D
12:8
Which are equivalent to 10:6

Answers

Answer:

letter a

Step-by-step explanation:

(7n7 − 4n6 − 14) − (2n7 + 15n6+ 11)

Answers

Answer: 5n^2 -19n^2-25

Step-by-step explanation: combine like terms / distribute

Complete the solution of the equation. Find the
value of y when x equals -8.
3x + 5y = -59

Answers

Answer:

y = -7

Step-by-step explanation:

To answer this question, we must first plug in -8 for x:

3(-8) + 5y = -59

-24 + 5y = -59

+24           +24

5y = -35

/5      /5

y = -7

Hope this helps :)

im dumb and answered wrong...

the answer above is right ✅

aluminum, inc. produces cams at a rate of 0.04 per hundredth of a second. how many cans can be produced in a 7-hour day?

Answers

Answer:

Step-by-step explanation:

100800

1008 can s can be produced in a 7 hour day.

What is per thousands of a second ?

Just divide 1 second by 1000 which is 0.001 secs.It can also be called as 1 millisecond.

According to the given question aluminium, inc. produces cams at a rate of  0.04 per hundredth of a second. this can be numerically expressed as

0.04 cans produced in 0.01 seconds.

We know 7 hour is = (7×3600) seconds which is = 25200 seconds.

∴ In 7 hours aluminum, inc. can produce (25200 × 0.04) which is

= 1008 cans.

learn more about these type of problems here :

https://brainly.com/question/619632

#SPJ2

Here's the expression:
2 - ( 4 x 2 +2 ) + 3 x 5 =

A. 14
B. 15
C. 16
D. 17

Answers

Answer: i got 17

Step-by-step explanation:

Answer:

17

Step-by-step explanation:

12 - ( 4 x 2 +2 ) + 3 x 5 =17

PLEASE HELP 40 POINTS
What is the relationship between ∠1 and ∠2? On both of them.

both a linear pair and supplementary

vertical

complementary

linear pair

supplementary

congruent

both vertical and congruent

Answers

Answer:

supplementaryvertical

Step-by-step explanation:

Angles ∠1 and ∠2 are

Picture 1

Angles 1 and 2 are supplementary

Picture 2

Angles 1 and 2 are vertical

WHO WANTS BRAINLIEST> MAKE SURE UR ANSWER IS FULLY EXPLAINED. INCLUDE UR WORK

Solve the equations in Parts A and B using inverse operations. Check your solutions. In your final answer, include all of your work.

Part A: 5 + x^2 = 2x^2 + 13

Part B: 5 + x^3 = 2x^3 + 13

Answers

Answer:

x = - 2√2

x = -2

Step-by-step explanation:

A . 5 + x² = 2 x² +13

    5 + x² - 2 x² - 13 = 0

      - x² -8 = 0

      - x² = 8

         x² = -8

         x = - √8

          x = - 2√2

B . 5 + x³ = 2 x³ + 13

    5 + x³- 2 x³ - 13 = 0

       - x³ -8 = 0

        -x³ = 8

         x³ = -8

      x = - ∛8

         x = -2

Which shows the number subsets to which the number
- v144 belongs?

Answers

Answer: 3

Step-by-step explanation:

I'm smart

Cho had $2.85 in nickels and $3.40 in dimes. Then she gave an equal number of her nickels and dimes to her brother. Now Cho has the same amount of money in nickels as in dimes.

The equation 285−5x=340−10x represents the situation.

Which does the variable x represent?

Will Give Brainliest

Answers

285-5x=340-10x

285-5x-(340-10x)=0

-5x-(-10x+340)+285=0

-5x+10x-340+285=0

5x-55=0

5x=55

x=55/5

x=11

Answer:

x = 11

Step-by-step explanation:

The equation represents as:

285 − 5x = 340 − 10x

combine similar terms:

285 - 340 = 5x - 10x

simplify:

-55 = -5x

divide -5 on both sides:

x = 11

a+2xy=14 solve for y

Answers

Answer:

y= (14-Ax)/(2x)

Step-by-step explanation:

it is 14 I got u don't worry

3
[tex]3y^{2} + 8y + 2 = 0[/tex]

Answers

[tex]a {y}^{2} + by + c = 0 [/tex]

[tex]3 {y}^{2} + 8y + 2 = 0 [/tex]

[tex]a = 3[/tex]

[tex]b = 8[/tex]

[tex]c = 2[/tex]

_________________________________

[tex]∆ = {b}^{2} - 4ac [/tex]

[tex]∆ = ({8})^{2} - 4 \times (3) \times (2) [/tex]

[tex]∆ = 64 - 24[/tex]

[tex]∆ = 40[/tex]

_________________________________

[tex]y = \frac{ -b ± \sqrt{∆} }{2a} \\ [/tex]

##############################

[tex]y(1) = \frac{ - 8 + \sqrt{40} }{6} \\ [/tex]

[tex]y(1) = \frac{ - 8 + \sqrt{4 \times 10} }{6} \\ [/tex]

[tex]y(1) = \frac{ - 8 + 2 \sqrt{10} }{6} \\ [/tex]

[tex]y(1) = \frac{2( - 4 + \sqrt{10}) }{2 \times 3} \\ [/tex]

[tex]y(1) = \frac{ - 4 + \sqrt{10} }{3} \\ [/tex]

+++++++++++++++++++++++++++++++++++++++

[tex]y(2) = \frac{ - 8 - \sqrt{40} }{6} \\ [/tex]

[tex]y(2) = \frac{ - 8 - \sqrt{4 \times 10} }{6} \\ [/tex]

[tex]y(2) = \frac{ - 8 - 2 \sqrt{10} }{6} \\ [/tex]

[tex]y(2) = \frac{2( - 4 - \sqrt{10}) }{2 \times 3} \\ [/tex]

[tex]y(2) = \frac{ - 4 - \sqrt{10} }{3} \\ [/tex]

##############################

_________________________________

And we're done.....♥️♥️♥️♥️♥️

PLEASE HELP ME I NEED HELP ASAP!!!!!!!!!!!! THIS IS THE LAST OF MY POINTS!

Answers

Answer:  see image

Step-by-step explanation:

There aren't any instructions so my best guess is that you draw a line from the ball to a zombie and then to another zombie, etc until all of the zombies are wiped out by the ball.

Brady bought 3 pieces of chicken that cost x dollars each, a salad for $3 and a drink for $2. If he spent $ 14, how much was each piece of chicken?

Answers

Answer:9$

Step-by-step explanation:14-3+2=9

Solve for x^2+x=5 for the exact values of x.

Answers

Exact form: x= - 1-√21/2 , - 1+ √21/2

Five less than twice a number is greater than ten times a number.
Please help I have no clue what I'm looking at.

Answers

Answer:

5-2x>10x

Step-by-step explanation:

Answer:

bruh just reading this question hurts my head

i guess you could say the first number is 8 and the second number is 1, but jeez bro

Step-by-step explanation:

PLEASE SHOW WORK!!!!!!

Answers

Answer:

Sure thing!

For the first equation 6v+38≤ -4

The answer would be v≤-7

and for the second equation 2(v+3)≥-2

the answer would be v≥-4

Step-by-step explanation:

6v+38≤ -4

Subtract 38 from both sides

6v+38-38≤-4-38

Simplify

6v≤-42

Divide both sides by 6

6v/6≤-42/6

Simplify

v≤-7

SAME THING FOR THE OTHER

2(v+3)≥-2

Divide both sides by 2

2(v+3)/2≥-2/2

Simplify

v+3≥-1

Subtract 3 from both sides

v+3-3≥-1-3

And finally, simplify

v≥-4

PLEASE MARK AS BRAINLIEST

Frank believes his bedroom wall measures 12 feet long.
He has a ruler that is 1? feet long.
He uses this ruler to measure his bedroom wall.
Which equation can be used to solve for T,
the number of times he will have to use the ruler to check the length of his bedroom wall?

A. 1? = 12T
B. 1? T = 12
C. 1? + T = 12
D. T – 1? = 12

Answers

Answer:

A

Step-by-step explanation:

Answer:

B. 1? T = 12

Step-by-step explanation:

Since the bedroom measures 12 feet long, the answer or the product should be 12 (12 only)

He uses “1?” to measure the bedroom, and we need to know HOW MUCH TIMES he uses it.

So, 1? T will be the equation since we need to know how much times he uses the ruler.

money that is paid for borrowing someone else's money.


interest
savings
debit
which one i give you 1 min to answer and you will earn 30 points or 70

Answers

Answer:

debit

Step-by-step explanation:

The answer is INTEREST the first option

(3х + 5у = -1
x+2y = - 1​

Answers

Answer:

the correct answer is (x,y) (3,-2)

if you’re good at geometry pls text me end help me with my homework 832-343-4866

Answers

Answer: I just did

Step-by-step explanation:

pls help? I need to know the answer asap​

Answers

What’s the question? So you could put point s

The ratio of koi to goldfish in my pond is 3:11. there are 70 fish in the pond. How many Kois are there?

Answers

Answer:

There are 15 koi

Step-by-step explanation:

koi: goldfish : total

3          11           14

There are 70 fish total

70/14 = 5

Multiply each term by 5

koi: goldfish : total

3*5      11*5      14*5

15          55          70

There are 15 koi

Jude graphed the inequality s


Is his graph correct? Explain why or why not.

Answers

Answer:

Sample Response: No, Jude’s graph is incorrect. The inequality symbol is “less than,” so -9 is not included. He should have used an open circle on -9.

Step-by-step explanation:

sample response on edge 2020

Answer:

The < symbol means that -9 is not included in the solution. The graph should have an open circle, not a closed circle. The arrow is pointing in the correct direction.

Step-by-step explanation:

edge 2021

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