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
notsponge [240]
3 years ago
13

Use cross products to determine which are valid proportions.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
7 0

Answer:

18/8 and 9/4, 4/7 and 10/17.5: PROPORTION.

2/3 and 9/12, 7/5 and 27/20, 3/8 and 6/141: NOT A PROPOTION :) Hope this help

Step-by-step explanation:

You might be interested in
Hi,I'm very confusing about this and was wondering if anyone could help the first part is the information you need to figure out
Alexeev081 [22]
When first red drawn =2/10=1/5
When second drawn it is going to be 1/9, because one red was removed, so only one left, and altogether is 9 now
P(red, then red)=1/5 *1/9= 1/45
8 0
4 years ago
Find the elapsed time between 4:16 p.m. and 9:25 p.m.
balandron [24]

Answer:

5 Hours, 9 Minutes, 0 Seconds

Step-by-step explanation:

4 0
3 years ago
four students shared a $271 prize from a science competition how much does each students get if the prize is shared equally
Irina-Kira [14]
If the price is shared equally, each student will get $67.75

You divide 271 by4 wh is 67.75
Hope this helps
8 0
3 years ago
Read 2 more answers
Please help a girl out
insens350 [35]

Answer:

<em>Given-</em> y= -5x^2 +5

ATQ,

if it translated vertically downwards then the new function will be,

h = y - 5 = -5x^2

<u>PLEASE MARK AS BRAINLIEST AND FOLLOW IF IT HELPED YOU!</u>

4 0
3 years ago
Let x = 6. What is the value of the expression 5x to the 2nd power +x−7 ?
Sladkaya [172]

Answer:

149

Step-by-step explanation:

5 to the second power is 25, because you do 5x5. Then you multiply 25 by x, which is 6, and get 150. Then you add 6 to 150, which is 156, and subtract seven. Also the answer is 149.

6 0
3 years ago
Read 2 more answers
Other questions:
  • the hallway id 440 inches long. 2.5 feet of the hallways length is not carpeted. What is the length, in inches, of the hall that
    7·1 answer
  • Find the ratio of the cost of materials $8,000 to the total cost of remodeling $ 28,000
    12·1 answer
  • The total age of a woman and her son is 51 years. Three years ago, the woman was eight times as old as her son. How is old is he
    5·1 answer
  • Tyrion can invest in an account earning 2.5% interest compounded monthly. If he invests $5000, ow much will he have in 7 years?
    6·1 answer
  • Round 0.93 to the nearest tenth.
    10·1 answer
  • What is the five-number summary for the data set?
    12·1 answer
  • A box of chocolates contained 8% caramels. There were 4 caramels in the box. How many pieces of chocolate are in the box?​
    8·1 answer
  • Can somebody explain in great detail how to find a and b??
    5·2 answers
  • What fraction equals 1/8 + 1/8 + 1/8 + 1/8 + 1/8?
    12·2 answers
  • 20. Olivia translated triangle DEF 4 units vertically to form triangle GHJ.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!