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
Advocard [28]
3 years ago
15

8. Jack has twice as many dimes as quarters. If the total

Mathematics
1 answer:
kati45 [8]3 years ago
8 0

Answer:

Step-by-step explanation:

d=2q, q=d/2

10d+25q=630, using q=d/2

10d+25d/2=630

20d+25d=1260

45d=1260

d=28

So he has 28 dimes.

You might be interested in
A bag contains 5 red marbles and 4 green marbles. What is the probability of choosing a red marble then a green marble, without
STALIN [3.7K]
It will be 5 out of 9 times you will pull a red marble
5 0
4 years ago
Need help with math. I will give brainliest!!!!!!
Mice21 [21]

Answer:

~~

Step-by-step explanation:

Ok so first 2.4 will have to be changed to 24 which means we multiplied it by ten making it 24/10 since it is tan it is opposite side/ adjacent side so your one of your legs will be 24 and one will be 10. Now we just plug that into the Pythagorean Theorem to find the hypotenuse and we get 26. The area is 24b10/2=120 the area is 120.

Leg a= 24

Leg b= 10

Hypotenuse=26

Area=120  

Read more on Brainly.com - brainly.com/question/12450752#readmore

5 0
3 years ago
A cereal comes in three different package size what is the ratio of the cost of an 8 ounce box to a 16 ounce box of cereal
34kurt

Answer:

5-3 or 3-5

Step-by-step explanation:

8 0
3 years ago
Dennis needs to fix a leaky roof on his house but does not own a ladder. He thinks that a 25-foot ladder will be
Mars2501 [29]

Answer:

Step-by-step explanation: 2/8 =h/2

3 0
3 years ago
Algebra <br><br> A) 50+Z=81 <br> Explain.
Ivan

Answer:31


Step-by-step explanation:

You subtract 81 and 50


5 0
3 years ago
Read 2 more answers
Other questions:
  • Is 0.44 rational or irrational
    11·2 answers
  • PLEASE HELP ASAP!!!!!! Thank you! <br> Sorry about the low picture quality!
    6·1 answer
  • How many halves are in 11 1/2
    10·2 answers
  • Pls help me step by step faster if you can
    10·1 answer
  • Help me please I need help
    14·1 answer
  • Please help me idk this
    13·1 answer
  • Help help help AAAAAAA math is hard
    10·2 answers
  • Look at the graph of a line and write its equation​
    9·1 answer
  • What happens as the triangle goes from obtuse to acute
    12·1 answer
  • Which phrase describes the variable expression z+ 8?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!