1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
antoniya [11.8K]
3 years ago
12

If a=(-2 -4) and b=(-8 4) what is the length of AB

Mathematics
2 answers:
Lady_Fox [76]3 years ago
5 0

Use the distance formula Sqrt ( (x2-x1)^2 +(y2-y1)^2)

Distance = sqrt ( (-8 - -2)^2 +(4- -4)^2)

Distance = sqrt(-6^2 + 8^2)

Distance = sqrt ( 36 + 64)

Distance = sqrt(100)

Distance = 10

The length is 10

galina1969 [7]3 years ago
4 0

Answer: 10 units

Step-by-step explanation: took test hope this helps

You might be interested in
(b^4)^2 ???????????????
Bogdan [553]

Answer:

b^8

Step-by-step explanation:

3 0
4 years ago
Help please I don’t get itttttttt I’ll mark brainlist if I can pleaseee
Marizza181 [45]

Answer:

<u>$5.94 </u>

Step-by-step explanation:

Multiply 2.75 by $0.76 to get $2.09

Multiply 2.75 by $1.40 to get $3.85

Add $3.85 and $2.09 to get $5.94

6 0
3 years ago
Y=(2x-3)^5(2-x^4)^3 differentiate the function please
BARSIC [14]
\bf y=(2x-3)^5(2-x^4)^3\\\\&#10;-------------------------------\\\\&#10;\cfrac{dy}{dx}=\stackrel{\textit{product rule}}{[5(2x-3)^4\cdot 2(2-x^4)3]~~+~~[(2x-3)^5[3(2-x^4)^2(-4x^3)]]}&#10;\\\\\\&#10;\cfrac{dy}{dx}=10(2x-3)^4(2-x^4)^3~~-~~12x^3(2x-3)^5(2-x^4)^2&#10;\\\\\\&#10;\cfrac{dy}{dx}=\stackrel{\textit{common factor}}{2(2x-3)^4(2-x^4)^2}~[5(2-x^4)-6x^3(2x-3)]&#10;\\\\\\&#10;\cfrac{dy}{dx}=2(2x-3)^4(2-x^4)^2~[10-5x^4-12x^4+18x^3]&#10;\\\\\\&#10;\cfrac{dy}{dx}=2(2x-3)^4(2-x^4)^2(10-17x^4+18x^3)
5 0
3 years ago
Yesterday the temperature at noon was 11.4°F by midnight the temperature had decreased by 15.7° what was the temperature at midn
lina2011 [118]
11.4 - 15.7 = -4.3. The temperature at midnight is -4.3<span>°F.

Hope this helps! Have a great day :)</span>
3 0
3 years ago
Read 2 more answers
A strand of bacteria has a doubling time of 15 minutes. If the population starts with 10 organisms, how long would it take for t
slamgirl [31]

In 90 minutes the population to grow to 700 organisms.

Given that,

A strand of bacteria has a doubling time of 15 minutes.

If the population starts with 10 organisms.

We have to determine,

How long would it take for the population to grow to 700 organisms?

According to the question,

A strand of bacteria has a doubling time of 15 minutes.

If the population starts with 10 organisms.

In 15 minutes strand of bacteria has a doubling time the population starts with 10 organisms.

\rm = 10 \times 2 = 20 \ bacteria

In 15 minutes 20 bacteria for the population to grow.

In 30 minutes strand of bacteria has a doubling time the population starts with 20 organisms.

\rm = 20 \times 2 = 40 \ bacteria

In 30 minutes 40 bacteria for the population to grow.

In 45 minutes strand of bacteria has a doubling time the population starts with 40 organisms.

\rm = 40 \times 2 = 80 \ bacteria

In 45 minutes 80 bacteria for the population to grow.

In 60 minutes strand of bacteria has a doubling time the population starts with 80 organisms.

\rm = 80 \times 2 = 160 \ bacteria

In 60 minutes 160 bacteria for the population to grow.

In 75 minutes strand of bacteria has a doubling time the population starts with 160 organisms.

\rm = 160 \times 2 = 320 \ bacteria

In 75 minutes 320 bacteria for the population to grow.

In 90 minutes strand of bacteria has a doubling time the population starts with 320 organisms.

\rm = 320 \times 2 = 640 \ bacteria

In 90 minutes 640 bacteria for the population to grow.

In 120 minutes strand of bacteria has a doubling time the population starts with 640 organisms.

\rm = 640 \times 2 = 1280 \ bacteria

In 120 minutes 1280 bacteria for the population to grow.

Hence, In 90 minutes the population to grow to 700 organisms.

For more details refer to the link given below.

brainly.com/question/3188472

3 0
3 years ago
Read 2 more answers
Other questions:
  • Lines C and D below are cut by transversal, t. Which of the following is true about the angles formed? *
    14·1 answer
  • Unit rate of 14.25 for 3 pounds of deli meat
    11·2 answers
  • The fastest car on Earth, the Thrust SSC, would win every NASCAR race in America if it broke the rules. If it takes 0.5 hours to
    7·1 answer
  • Write an equation in standard form that has a slip of 6 and passes through (-1,3)
    8·1 answer
  • Find x, if 36, x, x, 16 are in proportion.<br><br>please tell fast​
    7·2 answers
  • Which number is a factor of 24 but not not a multiple of 8 A. B.10 C.9 D.6
    15·2 answers
  • Helping hearts is making care packages. 36 bars of soap and 27 tubes of toothpaste our available each package will contain an eq
    7·2 answers
  • Given: ∠6≅∠7 <br><br><br>Prove: ∠5≅∠8
    7·1 answer
  • Solve for the value of y​
    8·2 answers
  • A sector of a circle of 7cm has an area of 44cm².calculate the angle of the sector,correct to the nearest degree π =22\7​
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!