Is the work shown below correct? Explain your
answer.
(11 + 21 ) - (3 - 107)
= 11 + 21 - 3 - 10/
= (11 - 3) + (21 - 107)

Answers

Answer 1

Answer:

no

Step-by-step explanation:

u just moved the numbers around

Answer 2

Answer:

no

Step-by-step explanation

The work shown is not correct.

The subtraction sign did not get distributed to the –10i.

The sign on –10i should have changed.

The imaginary part should be 12i.


Related Questions

pleaae help me
I WILL MARK YOU AS BRAINLIEST ​

Answers

Answer:

50%

Step-by-step explanation:

Answer:

50% each part is worth 25 %

Step-by-step explanation:

EASY

Find an equation for the line below.
Help me please :(

Answers

Answer:

y=3/2x+5/2

Step-by-step explanation:

I used the Y2-Y1/X2-X1

In this equation you can see that there are 2 points (-5,-5) and (1,4)

If you substitute, you will get

4+5/1+5

9/6 and if you simplify this, you will get 3/2

Now that we have the slope, we just have to use y=mx+b

(I'm using the point (1,4))  4=3/2(1)+b

                                         4=3/2+b

                                         5/2=b

Paola can run 300 meters in 15 seconds. If she runs at a constant rate,
how long does it take to run 400 meters?

Answers

16 meters 16meters 16meters

use the figures below to answer parts A and B​

Answers

Answer: 7 is 3216.99cm²

7 part b is 24.31 rounded the answer is 24.

Find the solution if x=6, y=8, and z=3
2x + 3y - z

Answers

Answer:

33

Step-by-step explanation:

2(6) + 3(8) - 3

12 + 24 + - 3 = 33

Answer:

33

Step-by-step explanation:

2(6) +3(8) -3

I need help with this

Answers

Answer:

124 degrees

Step-by-step explanation:

x=24 so if you plug in the value and solve it is 124 degrees

What is this answer?

Answers

A because they all something I forgot but a

Write an equation for a line that passes through (3, -4) & has a slope of -3.

Answers

Answer:

The answer is

[tex] \huge y = - 3x + 5[/tex]

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

[tex]y - y_1 = m(x - x_1)[/tex]

From the question we have

[tex]y + 4 = - 3(x - 3) \\ y + 4 = - 3x + 9 \\ y = - 3x + 9 - 4[/tex]

We have the final answer as

[tex]y = - 3x + 5[/tex]

Hope this helps you

Cami goes scuba diving. She descends 18 feet in 3 minutes. Which expressions represent the average rate at which Cami’s position changes in feet per minute?

Answers

Answer:

6 ft/min

Step-by-step explanation:

Theres a neat trick to note; whenever you say per think of it as a fancy word for divide, because the label is always gonna be a/b (a per b)

Therefore,

the rate of feet per minute will be the feet divided by the minutes;

18 feet in 3 minutes = 18/3 ft/min

Therefore the rate is 6 feet per minute.

IF you need an explanation on what average rate implies:

Note; the word average is not prudent to answer as its extraneous, however if there was more data like "Cami descends 18 ft in 3 min and Nami descends 9 ft in 3 minutes; whats the average rate at which they descend" then you'd have to add the two rates up and divide by two.

Hope this helps :)

y+2=−3(x−4)= whats the missing equation

Answers

I think x= -7 if I’m wrong my bad, good luck !

The sales tax in Texas is 8.25% and an item costs $400. How much is
the tax?

Answers

Answer:

Step-by-step explanation:

400*8.25%= $33 tax

NO JOKING AROUND OR I WILL REPORT WHO EVER DOES

A student has $78 in his checking account. If the student spends $12 on lunch, which number could be combined with the amount left in the account to make zero?
–90
–78
–66
–12

Answers

Answer:

Its 66 i just did a 50 question quiz and got it right

Step-by-step explanation:

What number would go in the blank? 4 x 6 = 6 x ___
6

4

10

Answers

( 4 )is this 1st grade or something?

Answer:

4

Step-by-step explanation:

4 x 6 = 6 x 4


A bag of apples costs a dollars.

A bag of oranges costs 2 dollars more.

If Dorie bought 5 bags of apples and 5 bags of oranges, how much did Dorie pay in terms of a?

Mark all choices that are true.

A 5 (2a + 2)
B 10a + 10
c 10a + 2
D 5 (a + a + 2)
E 5a + 2a

Answers

Answer:The answer is A,B, and D

Step-by-step explanation:I just know lol

r + 8 - 5r = 2(4 - 2r) solve for r please

Answers

-4r + 8 = 8 - 4r

0 = 0 so it's like {}

Answer:

r = 0

Step-by-step explanation:

This is actually the first time I've actually had a equation with the variable equaling 0.

so first things first you have the equation:

r + 8 - 5r = 2(4 - 2r)

so you are going to add or multiply all the variable numbers together and the none variable numbers together like so:

r + (-5r) and (2*4) and (2* (-2r)) to get the equation looking like so:

8+ (-4r)= 8 -4r

you then add -4r to both sides to get this equation:

8+ ( -4r)= 8 -4r

    + 4r       +4r

8 = 8 + r

you then subtract 8 from both sides to get r:

8 = 8 + r

-8  -8

0 = r

to check substitute the 0 into r in the equation:

r + 8 - 5r = 2(4 - 2r)

0 + 8 - (5*0) = 2(4- (2*0))

8 = 8

Tada!!!

Please no fakes this is the last of my points please try really hard to figure out this problem. if you don't get it go to another person question then answer it please just dont say idk. im beggin you!!! :(

Answers

Answer:

A.

- Line 1 - Dead Sea

- Line 2 - Lake Assal

- Line 3 - Laguna del Carbon

- Line 4 - Death Valley

B.

Lake because it is closer to zero on a number line than Death Valley

C.

-8 < -282 < 0

Hope This Helps! And so sorry it tool me so long to answer!

Jackie played the drums in the band. If he beat the drum at a rate of 110 beats per minute, how many beats would he play in minutes?

Answers

Answer: 110

Step-by-step explanation:

Answer:

in 2 minutes he would play 220 beats

Step-by-step explanation:

helpppppp find the x

Answers

Answer:

the picture wont show for the x

Step-by-step explanation:

Answer:

4cm

Step-by-step explanation:

An election campaign organizer bought 20,000 buttons to hand out for a candidate. The organizer handed out 14,000 of the buttons before receiving the next shipment of 15,500 buttons. On the day of the election, the organizer handed out another 18,250 buttons. How many buttons were left after the election?

Answers

Answer: 3,250

Step-by-step explanation:

A ticket to see your favorite baseball team costs ​$43.76. That price decreases by ​$0.33 for every game lost during the regular season. What equation could you use to find the cost C of a ticket after L​ losses? Represent the total change in the cost of a ticket after the team loses games. What is the price of a ticket after the team loses ​games?

Answers

Answer:

C=$0.33L-$43.76

I hope this is good enough:

Given the horizontal lines are parallel, find the value of x and y in the pic below

Answers

Answer:

The answer is 15 and 10

Step-by-step explanation:

Write the slope intercept form of the equation of each line given the slope and y-intercept. Slope = 0, y-intercept = 5

Answers

Answer:

0+5=5

Step-by-step explanation: If u add nothing then it stays like that

Answer:

5

Explanation:

I'm a goat so I know everything

No cheaters when I say steps I mean steps!!!! If you cheat you'll wish you didnt

I don't just want the answer I want the steps to get to the answer steps steps steps plss I'm dying right now I've been doing school all day and I'm freaking out please help and explain answer
Whats 10.53+14.5+6.9+6.3+6.8

Show all your work or else don't answer at all.

Answers

I take 10.53 and 14.5 first, then add those up to 25.03, then save it for later, then 6.9 and 6.3, and add those into 13.2, then add 6.8 to the smallest of the two I have, then getting 20, and then I add the rest into 45.03.

Find the product of 2r^2(6r^3+14r^2-30r+14)

Answers

Answer:

12 [tex]r^{5}[/tex] + 28 [tex]r^{4}[/tex] - 60 r³ + 28 r²

Step-by-step explanation:

a(b ± c) = ab ± ac (distributive property)

[tex]a^{m} * a^{n} = a^{m+n}[/tex]

2r²(6r³ + 14r² - 30r + 14) = 12 [tex]r^{5}[/tex] + 28 [tex]r^{4}[/tex] - 60 r³ + 28 r²

Answer: 2r2(6r3+14r2−30r+14)

Step-by-step explanation:

Apply the distributive property

2r2(6r3)+2r2(14r2)+2r2(−30r)+2r2⋅14

Simplify

2⋅6(r2r3)+2⋅14(r2r2)+2⋅−30(r2r)+28r2

Simplify each term

12r5+28r4−60r3+28r2

What division problem can be represented using the number line?

A number line going from 0 to StartFraction 10 Over 3 EndFraction in increments of one-third. An arrow goes from 0 to five-thirds and from five-thirds to StartFraction 10 Over 3 EndFraction.
StartFraction 10 Over 3 EndFraction divided by five-thirds
Five-thirds divided by StartFraction 10 Over 3 EndFraction
2 divided by five-thirds
2 divided by StartFraction 10 Over 3 EndFraction

Answers

Answer: The Answer is A

Step-by-step explanation:

Answer:

A on edge2020

Step-by-step explanation:

A triangle can have sides of 12, 19, and 30.
True or false

Answers

Answer:

True

Step-by-step explanation:

According to the Triangle Inequality, the sum of any two sides of a triangle has to be greater than the third side. 12+19 = 31 which is more than 30 so a triangle can have sides of 12, 19 and 30.

Answer:

false

Step-by-step explanation:

Please help

Match the picture to the reason that would prove the triangles congruent.

Options:
NONE
ASA
SSS
SAS
AAS
HL

Answers

Answer:

Option (6). HL

Step-by-step explanation:

Given:

From the right triangles ΔBAC and ΔBDC,

AC ≅ CD

∠A = ∠D = 90°

To Prove:

ΔBAC ≅ ΔBDC

            Statements                       Reasons

1). AC ≅ DC                        1). Given

2). BC ≅ BC                       2). Reflexive property

3). ΔABC ≅ ΔBDC            3). By HL property of congruence of right triangles

Therefore, Option (6) HL will be the correct option.                              

i need help on this (-4)²
help me

Answers

Answer:

Step-by-step explanation:

To have anything to a power is just multiplying the number as many times as it says to.  ex. 2^3 is two times itself 3 times. 2 x 2 x 2= 8

In your case, you need to multiply -4 x -4 because the exponents tell you how many of the number you multiply.

-4 x -4 = 16

Hope this helps :)

ratios that are equivalent to 40:28

Answers

Answer:

10:7

Step-by-step explanation:

consider the following figure where l1 and l2 are parralel and cut by transversals g1 and g2

Determine the value of n.

A. 112°
B. 68°
C. 88°
D. 92°​

Answers

The value of n is 112 the value of m is 88 the value of v is 88 and the value of r is 112
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