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
lilavasa [31]
2 years ago
14

The ratio of the weights of A and B is equal to the ratio of the weights

Mathematics
1 answer:
Alona [7]2 years ago
3 0

Answer:

D = 48kg

Step-by-step explanation:

The ratio of the weights of A and B is equal to the ratio of the weights

of C and D.

From the above question

A : B = C : D

This can also be interpreted as

A/B = C/D

A is 20 kg

B is 24kg

C is 40kg

D is ?

Therefore:

20/24 = 40/D

Cross Multiply

20D = 24 × 40

D = 24 × 40/20

D = 48

Therefore, D = 48kg

You might be interested in
I B.
Sliva [168]

Answer:

89 meters per second.

Step-by-step explanation:

That is quite fast!

First, we are given that in 9 sec our falcon has flown 801 meters, let's write an equation for that:

9s = 801

So in order to get s, we divide each side by 9.

Solve!

s = 801/9

s = 89

Happy learning! Please give a brainliest if you found this helpful

6 0
3 years ago
91. Jack can read 45 pages of his book in one and a
Digiron [165]

Answer:

10 hours

Step-by-step explanation:

45 pages per 1 hour and 30 minutes,  or 60 min +30 min =90 min

90 minutes / 45 pages has to be equal to an equivalent fraction where we have 300 pages

90 minutes /45 pages = ? minutes / 300 pages , multiply both sides by 300

? minutes = 90*300/45 = 600 minutes

to read 300-page book will take 600 minutes = 10 hours

3 0
2 years ago
The function f(x) = 2x2 + 6x - 12 has a domain consisting of the integers from -2 to 1, inclusive. Which set represents the corr
Dimas [21]

Answer:

[-16,-4]

Step-by-step explanation:

We are given that

f(x)=2x^2+6x-12

Domain=[-2,1]

We have to find the set of range values of f(x).

Substitute x=-2

f(-2)=2(-2)^2+6(-2)-12

f(-2)=-16

Substitute x=1

f(1)=2(1)+6(1)-12=-4

Range of f(x)=[-16,-4]

Hence, the set of range values of f(x)

[-16,-4]

7 0
3 years ago
Adam proposes that his mother changes his allowance according to the
olga2289 [7]

Answer:

a.) $3.20

b.) $102.40

$3,276.80

Step-by-step explanation:

0.2 times 2 five times is 3.2

0.2 times 2 ten times is 102.4

0.2 times 2 fifteen times is 3,276.8

7 0
3 years ago
Write a quadratic equation having the given numbers as solutions. -7 and -5
AlexFokin [52]

Answer:

x²+12x+35

Step-by-step explanation:

in factored form it would just be

(x+7)(x+5)=0

expand this

x²+12x+35=0

6 0
3 years ago
Other questions:
  • What's the answers to this question please?
    14·1 answer
  • Write each ratio statement as a fraction and reduce the two lowest terms 14:42
    12·2 answers
  • SOMEONE PLZZZ HELP ME THIS IS DUE IN 5 MIN AND IM SO CONFUSED AND NO ONE WILL HELP ME PLZZ HELP!!!!!I WILL GIVE BRAINLEST!!!!!
    7·2 answers
  • Plz help100 points. also, plz be the correct answer​
    7·2 answers
  • April claims that 1 + cos2(theta) / sin2(theta)= 1 / sin2(theta) is an identity for all real numbers thetatheta that follows fro
    7·1 answer
  • What -4 times 7 on a number line
    13·1 answer
  • A new company spent $9,399.74 on 24 tablets for their employees. How much did each tablet cost? Round your answer to the nearest
    9·2 answers
  • The median of the eight marks 9, 6, 2, 4, 7, 5, 1, 8 is​
    10·2 answers
  • Show work, for extra Brainly, elementary work, multiplying unit fractions by whole numbers
    6·1 answer
  • Please help find the answer ​
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!