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svetlana [45]
3 years ago
10

It takes Josephine 34 minutes to complete her homework assignment of 10 problems,predict how many problems can Josephine complet

e in 25 minutes
Mathematics
1 answer:
satela [25.4K]3 years ago
4 0
It takes Josephine 34 minutes to do 10 problems, which means it takes 3.4 minutes to complete 1 problem
in 25 minutes, she would be able to complete 7 questions
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Right triangle ABC is shown.<br> Which equation can be used to solve for c?
julsineya [31]

Answer:

\sin(50^\circ)=3/c

Step-by-step explanation:

Remember SOH/CAH/TOA. We will use SOH, which means \sin of the angle is equal to the opposite side over the hypotenuse.

6 0
3 years ago
I NEED HELP ASAP PLEASE HELP
qwelly [4]
The answer is B you can just rephrase it into .4 < .5 idk if that made sense but yeah
7 0
3 years ago
Find the segment length indicated. C. 4.8 its not correct.
solmaris [256]

Answer:

choice 4) 4.5

Step-by-step explanation:

x² = 7.5² + 4² = 56.25 + 16 = 72.25

x = √72.25 = 8.5

8.5 - 4 = 4.5

4 0
3 years ago
(a) Angela and Barbra decided to start a business together. Angela invested $24000 and Barbara invested
Gelneren [198K]

9514 1404 393

Answer:

  (a) A : B = $9000 : $6000

  (b) $1260

  (c) A : S : J = $1050 : $2250 : $1200 = 7 : 15 : 8

Step-by-step explanation:

(a) The investment ratio is ...

  Angela : Barbara = 24000 : 16000 = 3 : 2

The profit of 15,000 goes 3/(3+2) = 3/5 to Angela, and 2/5 to Barbara:

  Angela's share: (3/5)($15,000) = $9,000

  Barbara's share: (2/5)($15,000) = $6,000

__

(b) We can multiply the ratio by $140 to see the larger amount:

  4 : 9 = ($140)(4) : ($140)(9) = $560 : $1260

The larger share is $1260.

__

(c) Sian gets (1/2)($4500) = $2250. Anesha gets $1050. So  Joanne gets ...

  $2250 -1050 = $1200

Then the shares are ...

  i. Sian: $2250

  ii. Joanne: $1200

  iii. Ratios: A : S : J = 105 : 225 : 120 = 7 : 15 : 8

3 0
3 years ago
Suppose a patients weighting 104 pounds requires 130 milligrams of medicine what is the weight of patient who requires 278.75 mi
Pachacha [2.7K]

Cross multiplication will help with this! Since someone with 104 pounds is given a specific amount of medicine but another person with unknown pounds but known medicine is given, cross multiplication is helpful.

We can make it into a fraction, say pounds/milligrams

104 lbs/130mg=x (because it is unknown) lb/278.75

Then we can multiply it by crossing both sides.

130x=104(278.75)

130x=28990 Isolate x by dividing by 130

x=223

The person is 223 pounds who needs 278.75 mg of medicine.

5 0
4 years ago
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