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
umka21 [38]
3 years ago
13

Anca a citit 375 de pagini dintr-o carte. În fiecare zi, începând cu a doua zi, ea a citit cu 5 pagini mai mult decât în ziua pr

ecedentă, și a terminat de citit cele 375 de pagini în 5 zile. Determinaţi numărul de pagini citite de Anca în prima zi.
Mathematics
1 answer:
prohojiy [21]3 years ago
8 0

Answer:

a=65

Step-by-step explanation:

Avem 375 pagini

Notam cu a numaruide pagini

In prima zi avem-a, poi a doua zi-a+5, a treia-a+10, apatra-a+

15 si a cincea zi avem-a+20

Le adunam si egalam cu 375

5a=50=375

5a=325

a=65

You might be interested in
When Mya looked out at the store's parking lot, she noticed that for every 4 cars, there were 6 trucks. If there's a total of 22
olasank [31]

Answer:

<h2>88 cars</h2><h2>132 trucks</h2>

Step-by-step explanation:

This is a ratio problem, the ratio of  cars to trucks

for every 4 cars, there are 6 trucks

represented as a ratio we have 4:6

1. how many of them are cars

applying the part to whole strategy we have

4+6 = 10

let cars be x

\frac{4}{10}= \frac{x}{220}  \\\\x= \frac{220*4}{10} \\\\x= 880/10\\\\x= 88 cars

2.  how many of them are trucks?

let trucks be y

\frac{6}{10}= \frac{y}{220}  \\\\x= \frac{220*6}{10} \\\\y= 1320/10 \\\\y= 132 trucks

3 0
3 years ago
Are O, N, and P collinear? If so, name the line on which they lie.
san4es73 [151]

We are given a figure where M, N , O and P points are given.

We need to explain if points O, N, and P collinear or not.

Note: All co-linear points are in a straight line.

From the figure, we can see that <em>O and N points are in a straight line but point P is aside.</em>

So, the points O, N, and P are not collinear.

Therefore, correct option is "<u>No, the three points are not collinear</u>".


7 0
3 years ago
The cost of a jacket increased from $85.00 to $94.35. What is the percentage increase of the cost of the jacket?
Serggg [28]
It's an 11% increase. To find this,  you have to subtract 85 from 94.35 and then you divide that difference by the original amount. In this case it's 85. After that, you get .11. Then you just turn it into a percent.
8 0
3 years ago
Kylie explained that (–4x + 9)2 will result in a difference of squares because (–4x + 9)2 = (–4x)2 + (9)2 = 16x2 + 81. Which sta
LUCKY_DIMON [66]

The expression (-4x + 9)^2 cannot be equal to (-4x)^2 + 9^2 because it is actually equal to the product of two factors (3 + 2sqrt x) (3- 2 sqrt x). One cannot use obviously distributive property. Hence the answer to this problem should be C. as she did not understand both perfect square trinomial and did not determine the product 
4 0
2 years ago
Read 2 more answers
I cannot find the toliet paper HEL_PPPPPPPPPPPPPPPPPPPPPP
nalin [4]

Answer:

lol coronavirus is real :(

Step-by-step explanation:

8 0
2 years ago
Other questions:
  • If the vertices of a square are A(–2, 4), B(4, 4), C(4, –2), and D(–2, –2), what are the coordinates of the point where the diag
    8·1 answer
  • Write 4 numbers that round to 700,000 when rounded to the nearest hundred thousand
    10·1 answer
  • Never mind no one will answer it
    11·2 answers
  • What percent is equivalent to 1/20​
    13·2 answers
  • The sum of 39 and a number
    10·1 answer
  • 9 times what number minus 7 equals negative seven
    11·1 answer
  • Imagine a pet shelter that has noticed older animals (age 5+) have lower adoption rates. This shelter (which has only cats and d
    7·1 answer
  • Compared to gamma rays x rays have relatively
    5·1 answer
  • A certain radioactive substance decays from 100000 grams to 1000 grams in 34 days. What's it's half-life ?
    5·1 answer
  • Find the slope of the line passing through the pair of given points.<br> (5, 7) and (2,7)
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!