How to factor 4x^2+7x-15

Answers

Answer 1

Answer: $4x^2+7x-15$

Break the expression into group:

$(4x^2+5x)+(12x-15)$

factor out x from 4x² - 5x : x (4x-5)
factor out 3 from 12x-15 : 3 (4x-5)

$=x(4x-5)+3(4x-5)$

factor out common term (4x-5) :

$= (4x-5)(x+3)$

hope this helps!

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suppose that you want to compare the average cost of a gallon of milk to the average cost of a gallon of gasoline in the U.S over 20 years what type of display would be the best choice A a double line graph B a double bar graph C a stem and leaf plot D a frequency table

Answers

The right answer for the question that is being asked and shown above is that: "A a double line graph" Suppose that you want to compare the average cost of a gallon of milk to the average cost of a gallon of gasoline in the U.S over 20 year, the type of display would be the best choice is A a double line graph

Answer:

Step-by-step explanation:

Pleaseeee helpppp answerrrrr...Like nowwww I need it done

Answers

Answer:

I will give the answer briefly if u require u can elongate it

Step-by-step explanation:

i)The position of the owner should be chosen as the reference point as the dog is moving its position with respect to the owner who is stationary

ii)In the first 3 seconds the dog was 10 m away from his owner and he didn't change his position throughtout the 3 seconds

iii)The dog was in motion in the 4th and 5th second. According to the table,the dog remained at a distance of 10 m from his owner for the first three seconds and then in the 4th and 5th second he was at a distance of 30 and 50 m respectively away from his owner

what is the answer for:

r = 9 ft

r = 21 m

d = 30 cm

d = 24 cm

r = 15.2 in

r = 16.01 ft

please answer them i just want the answer like example the answer for r= 9 ft is 56.52 ft

thanks!!!

Answers

$r-a\ radius\ of\ the\ circle\n\nd-a\ diameter\ of\ the\ circle\n\na\ circumference\ of\ the\ circle:2\pi r=d\pi\n\nr=9ft\to2\pi r=2\pi\cdot9=18\pi\approx18\cdot3.14=56.52\ (in)\n\nr=21\ m\to2\pi r=2\pi\cdot21=42\pi\approx42\cdot3.14=131.88\ (m)\n\nd=30cm\to d\pi=30\pi\approx30\cdot3.14=94.2\ (cm)\n\nd=24cm\to d\pi=24\pi\approx24\cdot3.14=75.36\ (cm)\n\nr=15.2\ in\to 2\pir=2\pi\cdot15.2=30.4\pi\approx30.4\cdot3.14=95.456\ (in)\n\nr=16.01\ ft\to2\pi r=2\pi\cdot16.01=32.02\pi\approx32.02\cdot3.14=100.5428(ft)$

find the three consecutive integers such as the sum of the first and third is 49 less than three times the second

Answers

Answer:

48, 49, 50

Step-by-step explanation:

$n,\ n+1,\ n+2-\text{three consecutive integers}\n\n\text{The equation:}\n\nn+(n+2)=3(n+1)-49\qquad\text{use distributive property}\n\n2n+2=3n+3-49\qquad\text{subtract 3n from both sides}\n\n-n+2=-46\qquad\text{subtract 2 from both sides}\n\n-n=-48\qquad\text{change the signs}\n\nn=48\n\n48+1=49\n\n48+2=50$