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
hjlf
3 years ago
7

A sample of a compound made up of various elements totals 90 ounces. If the total amount of lead in the compound weighs 23 ounce

s, what percentage of the compound is made up of lead? If necessary, round your answer to the nearest hundredth of a percent. A) 0.26% B) 3.91% C)74.44% D)25.56%
Mathematics
1 answer:
monitta3 years ago
7 0
Line up oz and % and cross multiply

If 90oz. Is 100%
23oz is ? %

?=(23•100)/90= 25.55555~25.56% (D)
You might be interested in
Eight toymakers each carved 25 blocks<br> and 15 cars. How many toys did they<br> carve in all?
taurus [48]

Answer: 320 toys

Step-by-step explanation:

We can use an expression to solve this question.

8 (25 + 15)

8 (40)

320

4 0
3 years ago
Prove triangle AOC is congruent to triangle BOD​
marta [7]

Step-by-step explanation:

We are given two Triangles and we need to prove them congruent . In ∆AOC and ∆BOD , we have

\to AC = BD ( given ) \\\\\to OD = OA \\\\\to \angle CAO =\angle BDO (Since\ BD || AC )

Therefore by AAS congruent condition we can say that ,

\implies\red{ \triangle AOC \cong \triangle BOD }

Hence Proved!

8 0
3 years ago
What does a variable allow you to do that you couldn't do before
kozerog [31]
For example x^2=25
Without x the expression wouldn't exist, it allows you to calculate unknowns for example in a physics experiment using v=u+at
8 0
3 years ago
Triangle QRS is similar to triangle TUV. Write the equation, in slope-intercept form, of the side of triangle QRS that is parall
trasher [3.6K]

Answer:

The equation of the side of triangle QRS that is parallel to segment UV is:

y = x + 9

Step-by-step explanation:

I attached a pic with the procedure to find the answer. Hope it helps, good luck!

6 0
3 years ago
What is 0.941 repeating as a fraction
Aliun [14]

Answer:

Hi

Step-by-step explanation:

Want to suck

5 0
3 years ago
Other questions:
  • If 60 is 75% of a value,what is that value
    11·2 answers
  • Select all the expressions that are equivalent to 10w - 8 + 6 - 4w.
    7·1 answer
  • What is 1/8 times 2/4 step by step explication also simplified
    12·2 answers
  • In distributive property what do the letters stand for
    11·1 answer
  • Explain how economic forces such as employment, income, prices, interest rates, and consumer confidence influence the purchasing
    11·1 answer
  • BRAINLIEST AND 20 POINTS
    11·2 answers
  • If 40% of a number of 56 what is the original number
    6·2 answers
  • What is 2.5/10 (fraction) simplified?
    15·2 answers
  • 5/2x+1 + 8/2x+1, x≠-1/2
    5·1 answer
  • 9.<br> Find the measures of x<br> (6x -1)º<br> 77
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!