Hey, I have some algebra questions, I need to complete for tomorrow. One of them is: Simplify 4a + 12a. ​

Answers

Answer 1

Answer:

16a

Step-by-step explanation:

4a+12a=16a since they are the same variables.


Related Questions

Kiera’s dance class starts at 4:30 P.M. and ends at 6:15 P.M. How long is her dance class?

Answers

Answer:

Her class is 1 hour and 45 minutes long

Step-by-step explanation:

4h30 —> 5h30 : 60minutes
5h30 —> 6h : 30 minutes
6h —> 6h15 : 15 minutes
60+30+15 = 105 minutes

The ratio of the sum of two positive integers to their difference is 7:5. If the sum of the two numbers is at most 25, find all possible values for the pair of numbers.​

Answers

Step-by-step explanation:

Ohk

that means that the sum of the two numbers are 25

so

to get the first number:

[tex] \frac{7}{5} \times 25 = 35[/tex]

And to get the second number:

[tex]\frac{5}{7} \times 25 = \frac{125}{7} [/tex]

3. What is the difference of a number and 10?

Answers

Answer:

the difference between a number and 10 simply means ,that number minus 10

hope it helps. please do me a favor and Mark me Brainleist please please please please please please please please please please please please please please please please please please please please.

2+2 >:) so complicated

Answers

Answer:

4

Step-by-step explanation:

Answer:

4 and thank u or the free points

Step-by-step explanation:

Factor x^2+8x+15
Show work with attachment

Answers

Answer:

heres how to solve it

Step-by-step explanation:

Find the volume. Show your work. Please help if you don’t know the answer dw

Answers

Answer:

1008 cubic feet

Step-by-step explanation:

12 ft x 12ft x 7ft= 1008

12 is the height and length and 7 is the width, when you multiply these 3 things you will find the volume.  

3x+12 greatest common factors

Answers

Answer:

The common factors for 3,12 are −3,−1,1,3 - 3 , - 1 , 1 , 3 .

Step-by-step explanation:

Kyle has 800 in his bank account before the holiday season he is going to buy gift cards of the same amount for 5 family members what is the most he can spend on each gift card if Kyle needs to have at least 500$ left in his account at the end of the season write an inequality for this situation

Answers

Answer:

look it up on the internet.

Step-by-step explanation:

16 of 20
My father wants to buy a washing machine that
costs $8580. But he has only $7560. How much
more money does he need?
O
1012
1020​

Answers

Answer:

1020

Step-by-step explanation:

8580 - 7560

=1020

hope it helps

plsss help me answer this question !!!!

Answers

Answer:

what's your question???

please write an equation of a line in slope-intercept form with the given slope and y-intercept.

A. slope: -6, y-intercept: -2

B. slope: 1, y-intercept: -12​

Answers

Answer: A. y = -6x - 2
B. y = x - 12

Explanation:
Slope intercept form: y = mx + b
m = slope
b = y-intercept

I would appreciate the brainliest if this was helpful and correct! :)
Its a because it make the most sense

Which equation would we use to figure out this problem? Rachael
started off with $400 in her savings account in 2005. It earns 3% interest
each year. She wants to know how much money she'll have in the account
in 2022.

Answers

Answer:

She'll have $661 in the account in 2022.

Step-by-step explanation:

Compound interest:

The amount of money earned in compound interest after t years is given by the following equation:

[tex]A(t) = A(0)(1+r)^t[/tex]

In which A(0) is the initial amount and r is the interest rate, as a decimal.

Rachael started off with $400. It earns 3% interest each year.

This means that [tex]A(0) = 400, r = 0.03[/tex]

So

[tex]A(t) = A(0)(1+r)^t[/tex]

[tex]A(t) = 400(1+0.03)^t[/tex]

[tex]A(t) = 400(1.03)^t[/tex]

She wants to know how much money she'll have in the account in 2022.

17 years after 2005, which means that this is A(17). So

[tex]A(17) = 400(1.03)^{17} = 661[/tex]

She'll have $661 in the account in 2022.

What is the probability that the first marble is blue and the second marble is yellow?

Answers

Answer:

[tex]\frac{1}{14}[/tex]

Step-by-step explanation:

First time drawing:

Total outcome is 8

Favorable outcome is 2

The probability that the first marble drawing in random is blue is

[tex]\frac{2}{8}[/tex] = [tex]\frac{1}{4}[/tex]

Second time drawing (with no replacement):

Total outcome is 7  (8 - 1 = 7)  

Favorable outcome is 2

The probability that the second marble drawing in random is yellow is

[tex]\frac{2}{7}[/tex]

The probability that the first marble is blue and the second marble is yellow is [tex]\frac{1}{4}[/tex] × [tex]\frac{2}{7}[/tex] = [tex]\frac{2}{28}[/tex] = [tex]\frac{1}{14}[/tex]

is the answer a b or c

Answers

Answer:

∠Z & ∠K

Step-by-step explanation:

Help plz I’ll mark brainliest

Answers

Answer:

C

Step-by-step explanation:

There is absolutely no correlation between class size and number of absences.

in a school of 40 students 10% are boys. How many boys are there

Answers

Answer:

4boys

Step-by-step explanation:

40 of 10% 40×10/100 =4 remember percentage is always over 100

A certain ball bearing is made of a grade of steel with a density of 4.5 ounces per cubic inch. The ball bearing is a solid sphere with a diameter of 3 inches.

What is the total weight of the ball bearing, in ounces? Use 3.14 for π .

A. 63.585 ounces

B. 127.17 ounces

C. 190.755 ounces

D. 508.68 ounces

Answers

Answer:

Answer A dûmb asš got me wrong

Step-by-step explanation:

jacob has 10p 20 p and 50 p coins one quater of the coins
is 50 p with a total of 3.00 the ratio of 10 p to 20p is 2 : 7 how much money does jacob have

Answers

Answer: 7 20

Step-by-step explanation:

Let x = number of 20p coins

10+50+20x=200        10p + 50p + x(20p) = 200p    (100p=1 pound)

60 + 20x = 200

subtract 60 from each side

20x=140

divide both sides by 20

x=140/20=14/2=7

x=7  James has 7 20p coins

How many times does 1/2 go into 1 1/4

Answers

Answer:

twice

Step-by-step explanation:

1/2 x 2 = 1

then you have a leftover 1/4

1 1/4 =5/4

So

(5/4) * (2/1)

10/4 = 5/2 =2 + 1/2 times
:)

plz, help me with this plz!!!

Answers

Answer:

You need common denominators

Step-by-step explanation:

Because you need to have the same number on the bottom in order to correctly add/ subtract the fractions.

Pls someone help me with this question pls

Answers

Yo im sorry but I can’t help I’m jus trying to answer questions so I can ask them

2  is 1 of 6 numbers on each side 1/6

Since its 3 rolls youd multiply it by 3

1/6x3 would be 3/18

Answer: The Probability of rolling a 2 on 3 throws would be 3/18

If I'm putting £100 a month into a fund that has 13.03% annual interest annually for 48 years, what's the the total??

Answers

I think the answer will be 35751.88

Lin’s mom bikes at a constant speed of 12 miles per hour. Lin walks at a constant speed 1/3 of the speed her mom bikes. What is the slope of each line?

Answers

Answer:

5/7

Step-by-step explanation:

Identify all the acute angles in the figure.

Answers

Qvr, Qvs, Svt, Rvs, Tvu, that should be all of them
Acute angle is an angle under 90 degrees

het opt-shirt made of 50 cotton 50polyester so what does percent mean ​

Answers

50% cotton 50% polyester
It means that shirt is made of 50% cotton and 50% polyester aka 50/50 cottonpoly blend

On the package for a certain brand of spinach seeds there is a guarantee that, if the printed instructions are followed, of planted seeds will germinate. A random sample of seeds is chosen. If these seeds are planted according to the instructions, find the probability that of them germinate. Do not round your intermediate computations, and round your answer to three decimal places.

Answers

Complete question:

On the package for a certain brand of spinach seeds there is a guarantee that, if the printed instructions are followed, 63% of planted seeds will germinate. A random sample of 9 seeds is chosen. If these seeds are planted according to the instructions, find the probability that 4 of them germinate.

Answer:

[tex]P(x = 4) = 0.1376[/tex]

Step-by-step explanation:

Given

[tex]n = 9[/tex]

[tex]p = 63\%[/tex] --- proportion that germinates

[tex]p = 0.63[/tex]

Required

P(x = 4)

This question follows a binomial distribution:

[tex]P(x) = ^nC_x*p^x*(1-p)^{n-x[/tex]

When x = 4;

[tex]P(x = 4) = ^9C_4*0.63^4*(1-0.63)^{9-4[/tex]

[tex]P(x = 4) = ^9C_4*0.63^4*(0.37)^5[/tex]

[tex]P(x = 4) = 126*0.63^4*0.37^5[/tex]

[tex]P(x = 4) = 0.13763895392[/tex]

[tex]P(x = 4) = 0.1376[/tex]

The data is shown below:
91, 48, 86, 49, 77, 86, 64, 78
What is the median?

a. 72.37
b. 74
c. 86

Answers

Answer:  72

Step-by-step explanation: Its in the middle

Answer all these pleasep

Answers

Answer:

ee flamingo

Step-by-step explanation:

Answer:

...

Step-by-step explanation:

HELP PLEASE DUE IN 4 MINUTES

Answers

Answer: 500 were sold for the carousel

Step-by-step explanation:

If each ticket is then multiply 100x5 which is 500.

Answer:

the answer is 475

Step-by-step explanation:

because you have 4 full dots and a dot that is 3/4 full one dot is 100 tickets so the 4 full dots

saungelique3 avatar

= 400 and the dot that is 3/4 full is 75

saungelique3 avatar

this is because 3/4 of 100 is 75

saungelique3 avatar

400+75=475

find the amount compounded annually principal=2000, time 2 year ,rate 5%​

Answers

Answer:

2,552.563125

Step-by-step explanation:

ti think that is the answer

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