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Answer:

3x + 5 ( -4x + 12 ) - ( x - 3 )

A. -18x + 63

B. 18x - 63

C. 3x - 20x + 60 - x + 3

D. 3x + 20x + 60 - x - 3

Answer:

a and b is the answer hope this

Step-by-step explanation:

.

helps

Answer: 380952381 / 1000000000

Step-by-step explanation:

:)P.s. This simplifies to 8/21 .

Answer:

8/21

Step-by-step explanation:

Answer:

-40+ 72x

Step-by-step explanation:

-32+12x ×6x-8

-32-8 +12x× 6x

-40 +72x

Answer:

[-7, infinity)

Step-by-step explanation:

solid dot on -7 so [

arrow is to positive infinity

infinity always use )

Answer:

1

Step-by-step explanation:

The different possibilities for flipping two coins are:

TT

TH

HT

HH

Only 1/4 is two heads.

Since you're finding the best prediction possible for the number of times both coins will land on heads out of 4 times, that means its 1/4 * 4  = 1 time

Answer:

1/4 is the probablity

Step-by-step explanation:

if you flip 2 coins one time the no.of outcome are 4 if you flip is 4 time no.of outcomes are 16

P(E)= favourable outcomes/ total no.of outcomes

= 4/16

= 1/4

PLS MARK BRAINLIEST, THNX

Answer:

28

Step-by-step explanation:

40-8= 40 divided by 2 = 20 so zack made 28 jackets

Answer:

5

Step-by-step explanation:

3/4 3/4 3/4 3/4= 4 + 1/4 + 1/4 + 1/4 + 1/4 = 1 = 5 1/4

Since you need 3/4 to fill a pot the answer is 5. WIth 1/4 left over

Brainliest please

Answer:

5 [tex]\frac{1}{3}[/tex]

Step-by-step explanation:

Total no: of bags = 4

A mount each pot needs = 3/4

No: of pots it can fill = 4 ÷ 3/4  = 4 x 4/ 3 = 16/ 3 = 5 [tex]\frac{1}{3}[/tex]

Is it right?

Answer:

Step-by-step explanation:

[tex]1) \frac{25}{(4 + 1)}=\frac{25}{5}=5\\\\2) 3 + (6-1) = 3 + 5 = 8[/tex]

Answer:

2.5mph

Step-by-step explanation:

S = Distance divided by Time (S = D/T)

Therefore.

S = 15/6

=2.5 mph

Colin walked an average speed of 2.5mph

Answer:

the answer is 2.5 mph

Step-by-step explanation:

speed= distance/time

speed=15/6

15 divided by 6 = 2.5

Answer:

Your answer will be "B" Trust me

Answer:

Number 2

Step-by-step explanation:

If you substitute -1 to the x in the second equation you'll get 3+15=18

18=18

the image is your graph

Answer:

71*10⁻³

Step-by-step explanation:

7.1 x 10-^2 = 7.1*10⁻² = 71*10⁻³

Answer:

7.2 km

Step-by-step explanation:

Given that:

Hours taken = 2 hours

Walk rate = 1 m/s

Distance = Speed * time

Time taken in seconds = 2 * 60 * 60 = 7200 s

Hence,

Distance = 1 m/s * 7200s

Distance = 7200 meters

Distance in km = 7200 / 1000 = 7.2 km

Answer:

2 times each day

1 liter is 1000 milliliters

the watering can has a capacity of 3 liters which is 3000 milliliters

her plants need 6,000 milliliters of water each day which means that she will need to fill her watering can twice a day.

Answer:

T = 41

Step-by-step explanation:

Rohan's weight  = t+6

Rahul's Weight  = t+6+7 = 54

t = 54 - 6 - 7

t = 41

Answer:

25.13

Step-by-step explanation:

2 π r

2 x π x 4 =25.13

Answer:

x+y = 3

Step-by-step explanation:

Answer:

D, It would be 1,385 Square Inches

Step-by-step explanation:

Answer:

5.1%

Step-by-step explanation:

We are told that 30 shares of Stock are purchased for $15/share..

This gives a total value of: 30 × 15 = $450.

Now,they are sold for $480 with a commission of $6. This means the final money getting to the seller is; 480 - 6 = $474.

Thus; rate of return percentage = (474 - 450)/474) × 100% = 5.06%

To the nearest tenth gives; 5.1%

The rate of return is 5.1%.

Given that,

Based on the above information, the calculation is as follows:

The total value should be

[tex]= 30 \times 15[/tex]

= $450.

Since it is sold for $480 along with commission of $6 so final money should be  

= 480 - 6

= $474.

Now rate of return is

[tex]= ((474 - 450)\div 474) \times 100%[/tex]

= 5.06%

= 5.1%

Learn more: brainly.com/question/17429689

The number of hours he spent babysitting is 12 hours and the number of hours he spent mowing lawns last week is 8 hours.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Given that, John works two jobs. He earns $10 an hour babysitting his neighbour's children and $15 an hour mowing lawns in his neighbourhood. Last week he worked a total of 20 hours and earned a total of $240.

Let the x be the number of hours he spent babysitting and y be the number of hours he spent mowing lawns last week,

Establishing the equation, we get,

x+y = 20

x = 20-y......(i)

10x+15y = 240.......(ii)

Using the equation (i) in (ii), we get

10(20-y)+15y = 240

200-10y+15y = 240

5y = 40

y = 8

Put y = 8 in eq(i)

x = 20-8

x = 12

Hence, the number of hours he spent babysitting is 12 hours and the number of hours he spent mowing lawns last week is 8 hours.

For more references on equations, click;

https://brainly.com/question/29657983

#SPJ6

Answer:

The answer is 3.)

Step-by-step explanation:

Answer:

3. 12p = 48

Step-by-step explanation:

Start with 12p = 48

Your goal is to find the number of photos, p, that can go on each page. To do this, you need to isolate p (in other words, get p by itself)

Divide both sides by 12 and you end up with:

p = 4

Answer:

2/4 + 1/8................

Answer:

parralelagram

Step-by-step explanation:

Answer:

0.2990 = 29.90%.

Step-by-step explanation:

For each trial, there are only two possible outcomes. Either you win $400, or you do not. Trials are independent. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

In which [tex]C_{n,x}[/tex] is the number of different combinations of x objects from a set of n elements, given by the following formula.

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

And p is the probability of X happening.

Probability of winning $400 in a trial:

1/4 probability of choosing the suitcase containing $400, and in this case, 0.7 probability of keeping it.

3/4 probability of choosing another suitcase. Then, 0.3 of 3/4 probability of changing the suitcase, and 0.5 of 0.3 of 3/4 probability of getting the suitcase containing $400. So

[tex]p = \frac{1}{4}*0.7 + \frac{3}{4}*0.3*0.5 = 0.25*0.7 + 0.75*0.15 = 0.2875[/tex]

If you play this game five times, the probability that the event W400 occurs twice in five trials is:_______

This is P(X = 2) when n = 5. So

[tex]P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}[/tex]

[tex]P(X = 2) = C_{5,2}.(0.2875)^{2}.(0.7125)^{3} = 0.2990[/tex]

The probability is 0.2990 = 29.90%.

If M is the midpoint then then AM is AB/2

[tex]\\ \sf\longmapsto \dfrac{12x+40}{2}=65[/tex]

[tex]\\ \sf\longmapsto 12x+40=65(2)[/tex]

[tex]\\ \sf\longmapsto 12x+40=130[/tex]

[tex]\\ \sf\longmapsto 12x=130-40[/tex]

[tex]\\ \sf\longmapsto 12x=90[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{90}{12}[/tex]

[tex]\\ \sf\longmapsto x=7.5[/tex]