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cupoosta [38]
3 years ago
12

15 = r -6 what does r equal

Mathematics
1 answer:
77julia77 [94]3 years ago
3 0

Answer:

21-6=15

Step-by-step explanation:

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How many cups of 3/4 onions are needed to make 20 servings of soup?
kolbaska11 [484]

Answer:

15 cups of onions for 20 servers of soup.

Step-by-step explanation:

for this question I did 3/4*20 to get 15.

5 0
3 years ago
Read 2 more answers
What are the two binomial factors for x2 – 25?
Viktor [21]

Answer:

x^2 -25 = (x-5)(x+5)

Any expression of the form a^2 - b^2 = (a-b)(a+b)

3 0
3 years ago
Follow all directions in the problem below.
kirill115 [55]

Answer: 110 test were purchased

Step-by-step explanation:

Set P = number of packets of 10 test

Total cost = $30 + $11 x P = $151

$11xP = $151 - $30 = $121

P = $121/$11 = 11 packets were purchased

Test purchased = 11packets x 10 test/packet = 110 test were purchased

Answer: 110 test were purchased

<h3><em>Spymore</em></h3>
4 0
3 years ago
PLEASE HELP!!
Wewaii [24]
Let's go through each answer choice one at a time.
--------------------------------------------------
Choice A
3/4 < 5/7 
3*7 < 4*5 ... cross multiply
21 < 20
The last inequality is false, so the original inequality is false
Choice A is false
--------------------------------------------------
Choice B
2/3 > 5/6
2*6 > 3*5 ... cross multiply
12 > 15
The last inequality is false, so the original inequality is false
Choice B is false
--------------------------------------------------
Choice C
5/8 > 6/10
5*10 > 8*6  ... cross multiply
50 > 48
The last inequality is true, so the original inequality is true
Choice C is true
--------------------------------------------------
Choice D
4/5 < 2/9
4*9 < 5*2  ... cross multiply
36 < 10
The last inequality is false, so the original inequality is false
Choice D is false
--------------------------------------------------
In summary, we have
A. False
B. False
C. True
D. False
So the final answer is choice C

4 0
3 years ago
Expand logarithm equations
Debora [2.8K]

Answer:

log_{2}(x) + log_{2}(y) + log_{2}(z)

Step-by-step explanation:

5 log_{2}(xyz)^{ \frac{1}{5} }  \\  \\  = 5 \times  \frac{1}{5}  log_{2}(xyz)   \\  \\  = log_{2}(xyz) \\  \\  = log_{2}(x) + log_{2}(y) + log_{2}(z)

4 0
3 years ago
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