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Natalka [10]
3 years ago
13

If (8, 12) and (3, 4.5) belong to a proportional relationship, what is the constant of

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer:

1.5

Step-by-step explanation:

k= y/x

y= 12-4.5 =7.5

x= 8-3 = 5

k = 7.5/5 = 1.5

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Please help. I need help with my math homework and I’m confused and I only have one attempt. Thanks in Advance!
Marrrta [24]

Answer:

x>-6, x<-4

Step-by-step explanation:

|x+5|>-1

x+5>−1 (Possibility 1)

x+5−5>−1−5 (Subtract 5 from both sides)

x>−6

x+5<−(−1)(Possibility 2)

x+5<1(Simplify both sides of the inequality)

x+5−5<1−5(Subtract 5 from both sides)

x<−4

x>-6 or x<-4

3 0
3 years ago
Janelle bought a beach chair on sale at 70% off. The original price was $59.99. Round answers to the nearest cent. a. Find the a
stealth61 [152]

Answer:

A. $41.99

B. $18.00

Step-by-step explanation:

To find discount: 59.99×0.7= 41.99

To find sales price: 59.99-41.99=18

8 0
3 years ago
A rectangular prism has a length of 8 in., a width of 4 in., and a height of 2 1/4 in.
Alexus [3.1K]
It would need 288 cubes to fill up the prism.
7 0
3 years ago
Read 2 more answers
Select the correct answer. Lisa collected leaves from different trees for a science project. Every day for a week (7 days), she
marusya05 [52]

Answer:

Lisa collected 49 leaves (C.)

7 0
3 years ago
Solve p=10a+3b for a
Gre4nikov [31]

Answer:

a = (p - 3b)/10

Step-by-step explanation:

Isolate the variable, a. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS (Parenthesis, Exponents (& roots), Multiplication, Division, Addition, Subtraction).

p = 10a + 3b

First, subtract 3b from both sides.

p (-3b) = 10a + 3b (-3b)

p - 3b = 10a

Next, isolate the a. Divide 10 from both sides.

(p - 3b)/10 = (10a)/10

(p - 3b)/10 = a

a = (p - 3b)/10 is your answer.

~

5 0
4 years ago
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