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
statuscvo [17]
3 years ago
7

What is the value of R?

Mathematics
1 answer:
attashe74 [19]3 years ago
8 0

r=5

10(5)-20 = 30

6(5) = 30

You might be interested in
1. since A^2= 36x^2, a=?<br> 2. since b^2= 49, b=?
Wewaii [24]

Answer:

D

Step-by-step explanation:

36x² - 49 ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b)

then

36x² - 49

= (6x)² - 7²

= (6x - 7)(6x + 7)

Thus 6x - 7 is a factor of the expression

7 0
2 years ago
Read 2 more answers
If 35 gms of pure drug are contained in 150 mls, how many grams are contained in 75 mls?
Leviafan [203]

Answer:

17.5

Step-by-step explanation:

The ratio of "pure drug" to liquid is 35:150

Therefore to evaluate for 75 mls we get the ratio 75/2150 or simply 1/2

we can then multiply 35 by the ratio 1/2

35/2=17.5

State the answer

In 75 mls there are 17.5 grams of pure drug

8 0
3 years ago
Find the circumference and area of a circle with a diameter of 14 inches. Leave your answers in terms of pi. C = 14π; A = 49π. C
Olenka [21]
Given:
diameter = 14 inches
radius = 14 inches / 2 = 7 inches

Circumference of a circle = 2 π r = 2 * π * 7inches = 14 inches * π

Area of a circle = π r² = π * (7in)² = π * 49in² 

C = 14π    and   A = 49π
5 0
2 years ago
Read 2 more answers
For what value of k does the equation have no solution? kx - 4 = 5x + 8
baherus [9]

Answer:

Your answer is: k = 5+12/x

Isolate the variable by dividing each side by factors that don't contain the variable.

Step-by-step explanation:

Hope this helped : )

7 0
3 years ago
the property that says you can add and multiply in any order, without changing the answer is called the____ property
damaskus [11]

Answer: Associative property

4 0
3 years ago
Other questions:
  • Find the equation, (f(x) = a(x-h)2+ k), for a parabola containing point (-1,0) and having (-3, 4) as a vertex. What is the stand
    8·2 answers
  • Two integers are___________ if they are each the same distance away from zero but on opposite sides of the number line.
    9·2 answers
  • Can someone please help?
    11·2 answers
  • A triangle has an area of 900m2 . If a parallelogram has the same height and base as the triangle, what is the area of the paral
    12·1 answer
  • How do you solve this someone help please
    15·1 answer
  • If you made 12 pies and each one has 1 cup of sugar how many cups will you need to make 27 pies
    12·2 answers
  • Your best friend made 60% of the 40 shots he took. how many shots did your friend make?​
    12·2 answers
  • A+a+d+a = 11. what are there values​
    15·1 answer
  • Solve using the quadratic formula. Show all work. Write each solution in simplest form. No decimals.
    14·1 answer
  • What is the unit price of 12 cupcakes for 25 dollars​
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!