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
PtichkaEL [24]
3 years ago
8

How do I set up proportion’s and also cross multiply

Mathematics
1 answer:
xenn [34]3 years ago
6 0

Answer:

u transpose all the constans to one side of the '=' sign and solve

Step-by-step explanation:

for example,

in  the first question

the sides of the triangles are proportional then,

25/30 = x/ 10

=> (25x10)/30 = x

=> 250/30 = x

=> 8.33

im pretty sure like this u can do the rest, ;)

You might be interested in
Mr. Santiago can buy light fixtures in packages of 12 and light bulbs in packages of 9. He bought the fewest number of light fix
miskamm [114]

List the multiples of both 12 and 9:

12, 24, 36, 48, 60

9, 18, 27, 36, 45

The lowest common multiple is 36.

This will make the fixtures and bulbs equal.

This means they bought 3 packages of light figures 3 x 12 = 36)

And bought 4 packages of bulbs ( 4 x 9 = 36)

5 0
2 years ago
Read 2 more answers
Justin shoots in an air rifle competition. Out of 30 targets he hit 12 bulls eyes. What is the probability that on his next atte
MrRissso [65]

Answer:

Q1. Empirical Probability

Q2. 7:3

Q3. "The spinner landing of 1, 3, 5, or 7"

Step-by-step explanation:

Q1.

This is the type of probability that depends on experiment and what has happened before.

Subjective Probability is based on intuition. It is vague.

Empirical probability depends on experiment and on what has happened to know what will happen.

Theoretical probabilty is is the theory behind probability aka. classical probability.

Authentic probability is more like real life probability.

From the definitions, we see that the condition given, it is Empirical probability because Justin's next shooting on target will depend on his previous "experiment" of hitting bulls eye 12 out of 30 times.

Hence, the answer is Empirical Probability

Q2.

The odds of event happening are the ratio of "event happening" to "event not happening".

So, event happening is 70% or 0.7

Event not happening, is thus, 1 - 70% = 30% = 0.3

Odds are 0.7:0.3

or

7:3

Q3.

The complement of an event is 1 - event. Or simply, the complement is chances of event not happening.

We want complement of "even number", so that would be only "odd numbers".

From the answer choices, 2nd answer choice is right because it only has ODD NUMBERS.

"The spinner landing of 1, 3, 5, or 7"

8 0
3 years ago
A rental car company charges $0.50 per mile and a flat rate of $30.00 for any type of sedan. If m represents the number of miles
Umnica [9.8K]
The equation to this would be $0.50m+$30.00=130 because each mile is $0.50 and m would represent as how many miles it well and then adding $30.00 because it’s the flat rate.
8 0
3 years ago
Read 2 more answers
Can somebody help me with this problem ?
Tems11 [23]

Step-by-step explanation:

I can't see the question your talking about

5 0
3 years ago
Solve the equation for y.<br> 6 = 4x + 9y
k0ka [10]
Subtract 4x from both sides
Then divide both sides by 9 to isolate y

Y=(6-4x)/9
6 0
2 years ago
Read 2 more answers
Other questions:
  • Please Help Me, Take Your Time.
    15·1 answer
  • Quadrilateral ABCD is dilated to form quadrilateral A′B′C′D′. Which statement is true?
    7·1 answer
  • Rewrite the equation below in standard form. -3x+6y=12 A.3X-6Y B.3X-6Y=-12 C.-X+2Y=4 D.X-2Y=-4
    13·2 answers
  • Choose the statement that is not true.
    13·1 answer
  • What is the product of -5 and -8?
    13·2 answers
  • X - 12.3 = 8.7<br><br> what is x?
    14·2 answers
  • When rounding to.the nearest hundred are you to add or subtract?
    13·2 answers
  • I need helppppppppppp
    15·1 answer
  • Find the value of y for a given value of x, if y varies directly with x.
    13·1 answer
  • Which expression is equivalent to 21\root(3)(15)-9\root(3)(15)
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!