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
quester [9]
3 years ago
13

The sum of two numbers is 47, and their difference is 15. The larger number is

Mathematics
1 answer:
Paraphin [41]3 years ago
4 0

Answer:

The large number is 31, and the small number is 16

Step-by-step explanation:

Given data

let the first number be x

and the second number be y

so

x+y= 47------------1

and

y-x= 15-------------2

from eqn1

x= 47-y

put this in eqn 2

y-(47-y)=15

y-47+y=15

2y= 15+47

2y=62

divide both side by 2

x= 62/2

x=31

From eqn 1

x+y= 47

31+y=47

y=47-31

y=16

You might be interested in
What is the base five representation of The number 219
ICE Princess25 [194]

assuming 219_{10}

Then the column values for base five here are

5³  5²  5^{1}  5^{0}

We can get 1 × 5³ = 125 → 219 - 125 = 94

We can get 3 × 5² = 75 → 94 - 75 = 19

We can get 3 x 5^{1} → 19 - 15 = 4

and 4 = 4 × 5^{0}

Thus 219_{10} = 1334_{5}

As a check

(1 × 125 ) + (3 × 25 ) + (3 × 5 ) + 4 = 219


3 0
3 years ago
I need help please!!
Sergio039 [100]

Answer:

16 cm2

Step-by-step explanation:

By equa tion of area of triangle: S = 1/2 * height * base

Triangle B: 32  = 1/2 * 8 * x --> x = 8 (cm)

The base of triangle A is half of the base of triangle B so it is 4 cm.

The area of triangle A = 1/2 * 8 * 4 = 16 (cm2)

5 0
2 years ago
Based on executing the test in Question 5, what would you conclude, given a margin of error of 5%? Group of answer choices We re
Harman [31]

People often draw hypothesis in research.  Based on executing the test in Question 5, We reject the null hypothesis; the mean delivery time is different for every day of the week.

<h3>Why do we reject the null hypothesis?</h3>

Note that if the p-value of an experiment (Like the one above) is less than or found to be equal to the significance level of your test, one can reject the null hypothesis.

By that, we known that the data is in favors the alternative hypothesis. Hence the results gotten by you are statistically significant. If your p-value is found to be greater than your significance level, you then fail to reject the null hypothesis.

Learn more about hypothesis from

brainly.com/question/11555274

8 0
2 years ago
A rigid transformation can also be referred to as an isometric transformation. The prefix "iso-" means "of the same" and "-metri
Svetllana [295]
As stated by the statement, isometric means same measure. So, when a rigid transformation occurs all the measures of the original figure (which will be transformed) will be the same of the new figure (the result of the transformation).


That means that you can verify that the transformation used was rigid by checking the measures of both (original and transformed) figures: if and only if the meausures of the final figure are the same of the original figure the transformation was rigid.
8 0
3 years ago
Read 2 more answers
Find a4 for the arithmetic series with S4=-36 and a1=9
erastova [34]

ANSWER

The 4th term is -27

EXPLANATION

The sum of the first n-terms of an arithmetic sequence is

S_n= \frac{n}{2} (2a_1+d(n-1))

It was given that,

S_4 =  - 36

a_1 = 9

- 36= \frac{ 4}{2} (2 \times 9+d(4-1))

-36=2(18+3d)

-18=18+3d

-18 - 18 = 3d

3d =  - 36

d =  - 12

The n-term is given by:

a_n=a_1+ (n-1)d

We substitute n=4 to get,

a_4=9+ (4-1)  \times -12

a_4=9+ 3\times -12

a_4=9 - 36

a_4= - 27

5 0
3 years ago
Other questions:
  • suppose the correlation coefficient between the number of the college students in a city and the number of city buses is 0.89. w
    15·2 answers
  • Need help!! Don't understand
    6·1 answer
  • A hand consists of 3 cards from a well shuffled deck of 52 cards. a.Find the number of possible 3 card poker hands. b.A club flu
    5·1 answer
  • 23. The solution set for x – 13=- 144x
    7·1 answer
  • Which type of dog food will the trainer run out of first
    7·1 answer
  • Place ( ) symbols in this problem to make a true statement: 4 + 5 × 2 = 18​
    5·2 answers
  • Please solve this for me
    15·2 answers
  • The side of a squre is 8 feet long. Find the percent of change in the perimeter of the garden. Round to the nearest tnth of a pe
    8·1 answer
  • Find the lowest common denominator of 4/7 and 3/5
    11·1 answer
  • What is X ? <br> 9(x−1)−8x=−3(x+5).
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!