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
Olin [163]
3 years ago
5

Evaluate the expression if a = 9 and b = 2. 5(a 3b) 20 51 70 75

Mathematics
1 answer:
devlian [24]3 years ago
5 0
5(a + 3b) = 5(9 + 3(2)) = 5(9 + 6) = 5(15) = 75
You might be interested in
Factor the following expression.
Strike441 [17]
Whats the expression
3 0
3 years ago
The coordinates of the three vertices of the triangle are A (x1, y1), B (x2, y2), C (x3, y3).
kaheart [24]

Answer:

Step-by-step explanation:

Using the section formula, if a point (x,y) divides the line joining the points (x  

1

​

,y  

1

​

) and (x  

2

​

,y  

2

​

) in the ratio m:n, then  

(x,y)=(  

m+n

mx  

2

​

+nx  

1

​

 

​

,  

m+n

my  

2

​

+ny  

1

​

 

​

)

The vertices of the triangle are given to be (x  

1

​

,y  

1

​

),(x  

2

​

,y  

2

​

) and (x  

3

​

,y  

3

​

). Let these vertices be A,B and C respectively.  

Then the coordinates of the point P that divides AB in l:k will be

(  

l+k

lx  

2

​

+kx  

1

​

 

​

,  

l+k

ly  

2

​

+ky  

1

​

 

​

)

The coordinates of point which divides PC in m:k+l will be  

⎩

⎪

⎪

⎪

⎨

⎪

⎪

⎪

⎧

​

 

m+k+l

mx  

3

​

+(k+l)  

(l+k)

lx  

2

​

+kx  

1

​

 

​

 

​

,  

m+k+l

my  

3

​

+(k+l)  

(l+k)

ly  

2

​

+ky  

1

​

 

​

 

​

 

⎭

⎪

⎪

⎪

⎬

⎪

⎪

⎪

⎫

​

 

⇒(  

m+k+l

kx  

1

​

+lx  

2

​

+mx  

3

​

 

​

,  

m+k+l

ky  

1

​

+ly  

2

​

+my  

3

​

 

​

)

6 0
3 years ago
During a sale, a store offered a 20% discount on a TV that originally sold for $710. After the sale, the discounted price of the
Mademuasel [1]

Answer:

$681.60

Step-by-step explanation:

<u><em>Given:</em></u>

<em>During a sale, a store offered a 20% discount on a TV that originally sold for $710. After the sale, the discounted price of the TV was marked up by 20%</em>

<u><em>To Find:</em></u>

<em>What was the price of the TV after the markup? Round to the nearest cent.</em>

<u><em>Solution:</em></u>

$710 × (1 + 20%) × (1 - 20%)

$710 × 1.2 × (1-0.2)

$710 × 1.2 × 0.8

($710 × 1.2) × 0.8

852 × 0.8

= $681.60

<u><em>Kavinsky</em></u>

4 0
2 years ago
-4 times a number plus 29
kipiarov [429]
-4x+29? I think that's what you're asking.
8 0
3 years ago
Pls check picture! Pls give me answer pls! ASAP Right answer. if you dont know dont answer pls!!!! Right Answer for brainliest!
lyudmila [28]

Answer: The answer is 6 and 4.

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Consider the function f(x) = 9x. Which statement MUST be true? A) f(4) f(1) = f(8) f(5) B) f(4)·f(1) = f(8)·f(5) C) f(4) − f(1)
    10·2 answers
  • Word problem with 9.5*(8+12.5)
    6·2 answers
  • A baseball stadium holds 15,002 seats. The lower level has 50 fewer than three times as many seats as the upper
    8·2 answers
  • FIRST ONE TO ANSWER GETS A BRAINLIEST! PLZ HELP ME! I NEED HELP!
    7·2 answers
  • 105 is a perfect square. Question 1 options: True False
    13·1 answer
  • Write an equation of a line with the given slope and y-intercept. m = –5, b = –3. A. y = –5x – 3 . B. y = –5x + 3 . C. y = 5x –
    15·2 answers
  • Given that f(x) = 2x − 5, find the value of x that makes f(x) = 15. (5 points)
    13·1 answer
  • The mean amount of money withdrawn from
    11·2 answers
  • Jack's mother gave him 50 chocolates to give to his friends at his birthday party. He gave 3 chocolates to each of his friends a
    5·1 answer
  • The points (–7, 7) and (6, –6) fall on a particular line. What is its equation in slope-intercept form?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!