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
AnnyKZ [126]
4 years ago
15

Evaluate 3/7r + 5/8s when r = 14 and s = 8

Mathematics
1 answer:
emmasim [6.3K]4 years ago
4 0

\frac{3}{7}*r + \frac{5}{8} *s

let us first plug the values of r and s here

r=14 and s=8

\frac{3}{7}*14 + \frac{5}{8} *8

Now here we can cancel 14 and 7 as 7*2 =14 , also we can cancel 8 and 8 as 8*1 is 8, so our simplified new form is:

\frac{3}{1}*2 + \frac{5}{1} *1

Now we can multiply 3*2 and 5*1

3*2 =6

5*1=5

Next we add the two numbers

6+5 =11

So this is how we get the answer 11

You might be interested in
What is 3.02 * 10^2 and 2.3* 10^-2
pochemuha

Answer:

10^2 = 10 x 10 = 100

3.02 x 100 = 302

10^-2 = 1/(1/10/10) = 1/100 = 0.01

3.02 x 10^2 = 302

2.3 x 0.01 = 0.023

Hope this helps

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How do I multiply numbers​
Andrei [34K]
Multiply the number in the tens place of the bottom
number by the number in ones place of the top number. So
multiply the 1 by the 5, which makes 5. Multiply the number in
the tens place of the bottom number by the number in tens
place of the top number. Multiply 1 by 2, which equals 2.
6 0
2 years ago
<img src="https://tex.z-dn.net/?f=lg%20%5Cfrac%7B1%7D%7B256%7D%20%20-%20lg%20%5Cfrac%7B125%7D%7B4%7D%20%20-%203%20lg%20%5Cfrac%7
salantis [7]

Answer:

0

Step-by-step explanation:

log 1/256 - log 125/4

= log ( 1/256 * 4/125)

= log (1/8000)

log (1/8000)  - 3 log 1/20)

Now  3 log 1/20 = log (1/20)^3 = log (1 / 8000) so we get

log (1 / 8000) - log (1 / 8000)

= 0






7 0
3 years ago
Give the equation of a parallel line to x=3 going thru (2,5)
Vikki [24]

Answer:

y=3x+5

Step-by-step explanation:

The formula is y=mx +b if m is the slope then 3 goes there. If b is the y intercept then 5 goes there since (x,y)

3 0
4 years ago
Read 2 more answers
Luis set up an A-frame ladder so that the angle formed between each side of the ladder and the ground is 125 degrees. What is th
Firlakuza [10]

Answer:

70°

found by considering A-frame ladder as a triangle

Step-by-step explanation:

Given that,

angle form on either side of A-frame ladder with the ground = 125°(exterior)

As it is a A-frame ladder so its a triangle, we will find the angle at the top of ladder by using different properties of triangle

1) find interior angle form by A-frame ladder with the ground

125 + x = 180         sum of angles on a straight line

x = 180 - 125

x = 55°

2) find the angle on top of ladder

55 + 55 + y = 180        sum of angle of a triangle

110 + y = 180

y = 180 - 110

y = 70°

3 0
4 years ago
Other questions:
  • Susan has 50% more books than micheal. Micheal has 40 books. If Michael buys 8 more books will Susan have more or less books tha
    6·1 answer
  • A cookie shop sells 5 different kinds of cookies. how many different ways are there to choose 16 cookies if (a) you pick at leas
    7·1 answer
  • Write an Inequality relating to M&lt;ABC and M&lt;CBD
    15·1 answer
  • Instructions:select the correct answer. a group of 8 friends (5 girls and 3 boys) plans to watch a movie, but they have only 5 t
    9·1 answer
  • QUICKLY HELP! Which table shows a proportional relationship between x and y?
    15·2 answers
  • How many real solutions does the function shown on the graph have?
    14·1 answer
  • 2) Escribir en lenguaje simbólico y resolver. Recordamos la definición de
    10·1 answer
  • SOLVE FOR A.<br><br> THANKSSSSSS!!!!!!!!!
    15·2 answers
  • Convert 53 m = cm <br><br> help pls
    5·1 answer
  • Robert has a number cube, a coin, and a (fair) spinner numbered 1 to 6.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!