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
Digiron [165]
3 years ago
9

Pls help. Have tried this problem a couple times but my answers didnt work

Mathematics
2 answers:
Basile [38]3 years ago
6 0

Answer:

N - 4 = 3(M - 4). Simplified further, N - 4 = 3(M - 4)

Given,

Nina is N years old now and;

Maryna is M years old now

If four years ago, Nina was three times as old as Maryna was, then

Four years ago, Nina's age was N - 4

Four years ago, Maryna's age was M - 4

Given that Nina was three times as old as Maryna was four years ago, it means that

N - 4 = 3(M - 4)

To solve further

N = 3m - 12 + 4

N = 3M - 8

Step-by-step explanation:

pantera1 [17]3 years ago
4 0

Answer:

infinite solutions...

Step-by-step explanation:

Is there more information to this problem? It can be pretty much anything.

N=3M

Nina can be 30 and Maryna 10, Nina can be 3 and Maryna 1, Nina can be 15 and Maryna 5...

You might be interested in
If the slope of the line is 3, indicate whether the line through the point rises, falls, horizontal, or vertical
RSB [31]

Answer:

the line rises from left to right

Step-by-step explanation:

the slope is a positive number, therefore it will be rising, not dropping/falling, or going down.

5 0
3 years ago
Which elements make up the stars​
leonid [27]

Answer:

Most stars have small amounts of heavy elements like carbon, nitrogen, oxygen and iron. But the shine from the stars comes from burning hydrogen into helium in their cores.

‍♀️ if this helps

7 0
3 years ago
A coordinate map of the local grocery store is shown below. Ice cream is located at the point (-8,0)(−8,0)left parenthesis, minu
Alona [7]

Answer:

Step-by-step explanation:

If on the coordinate map, ice cream is located at the point (-8,0) and sprinkles are located at the point (-8,6), we can find the distance between the coordinate points using the formula;

D = √(x2-x1)²+(y2-y1)²

Given

x1 = -8, y1 = 0, x2 = -8 and y2 = 6

Substitute

D = √(x2-x1)²+(y2-y1)²

D = √(-8-(-8))²+(6-0)²

D = √0²+6²

D = √36

D = 6units

Hence the distance between the coordinate points is 6units

7 0
3 years ago
Write the slope-intercept form of the equation that passes through the point (-3, 5) and is perpendicular to the line y = 1/5x +
aleksley [76]

Answer:

<h2>y = -5x - 10</h2>

Step-by-step explanation:

\text{Let}\\\\k:y=m_1x+b_1\\\\l:y=m_2x+b_2\\\\l\ \perp\ k\iff m_1m_2=-1\to m_2=-\dfrac{1}{m_1}\\\\l\ \parallel\ k\iff m_1=m_2\\\\=========================

\text{We have}\ y=\dfrac{1}{5}x+10\to m_1=\dfrac{1}{5}\\\\\text{Therefore}\ m_2=-\dfrac{1}{\frac{1}{5}}=-5.\\\\\text{Put the value of a slope and the coordinates of the point (-3, 5)}\\\text{to the equation}\ y=mx+b:\\\\5=-5(-3)+b\\5=15+b\qquad\text{subtract 15 from both sides}\\-10=b\to b=-10\\\\\text{Finally:}\\\\y=-5x-10

7 0
3 years ago
Are angles congruent when their side measures are the same
Mkey [24]

Answer:

I don't believe so because congruent shapes are exactly the same but a side measurement could be the same on a square and a triangle but those aren't congruent shapes


I hope this helped!


4 0
3 years ago
Other questions:
  • Simplify the expression -4.6+( -1.4) .on the test , when maureen simplified the expression she got 3.2 .
    5·1 answer
  • 3=-6x+15 what is this?
    10·2 answers
  • <img src="https://tex.z-dn.net/?f=13%20%5Ctimes%206" id="TexFormula1" title="13 \times 6" alt="13 \times 6" align="absmiddle" cl
    5·2 answers
  • Miss Ramirez is making pies to sell at a local farmers market. It cost five dollars to make each pi plus a one time cost of $30
    9·1 answer
  • What is the facttor expreesion of 11x + 55
    14·1 answer
  • 2+2 please help meeeeeee
    7·2 answers
  • he trans pacific express projects 11,000 mile in telecommunications cable under the pacific ocean connecting the US eastern asia
    11·2 answers
  • 16 gallons of water are used to completely fill 5 fish tanks. If each tank holds the same amount of water, how many gallons will
    5·1 answer
  • Select all of the following expressions that are equivalent to 9 to the 1/2 power
    12·1 answer
  • A school of 580 students, one class was asked which hand they write with. • “L” means they use their left hand. • “R” means they
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!