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
Elenna [48]
3 years ago
5

Equation 1: 5x + 3y=8 equation 2: 4x + 7y= 34 9x-10y=42 true

Mathematics
2 answers:
jarptica [38.1K]3 years ago
8 0

Answer:

true

Step-by-step explanation:

5x + 4x = 9x

3y + 7y = 10y

8 + 34 = 42

stepan [7]3 years ago
3 0

Answer:

False

Step-by-step explanation:

5x+3y=8

4x+7y=34

Then:

5x+4x+3y+7y=9x+10y

9x+10y=43 not 9x-10y

You might be interested in
Graph this please −9x+4y≤8
Tamiku [17]
You can also use desmos to find any graphing type of equations

5 0
3 years ago
I’m confused on this answer anyone know it?
slamgirl [31]

Answer:

y=\frac{26}{7},\:x=-\frac{15}{7}

Step-by-step explanation:

\begin{bmatrix}4x+5y=10\\ -2x+y=8\end{bmatrix}\\\\\begin{bmatrix}-2\cdot \frac{10-5y}{4}+y=8\end{bmatrix}\\\\

-5+\frac{7y}{2}=8\\\\\mathrm{Multiply\:both\:sides\:by\:}2\\-5\cdot \:2+\frac{7y}{2}\cdot \:2=8\cdot \:2\\-10+7y=16\\y=\frac{26}{7}\\

\mathrm{For\:}x=\frac{10-5y}{4}\\\mathrm{Subsititute\:}y=\frac{26}{7}\\x=\frac{10-5\cdot \frac{26}{7}}{4}\\\\

x=-\frac{15}{7}\\

7 0
3 years ago
The data below shows the points scored and minutes played by six basketball players during the 2004-2005 season. The least squar
k0ka [10]

We assume data and prediction as question is incomplete

Answer and Step-by-step explanation:

Least squares regression line equations are used to model the relationship that exists between two variables, dependent and independent variables. The equation has the form y=a+bx where y is the dependent variable and x is independent variable, a is a constant and is the y intercept and b is the slope of the line. This relationship is then used to predict future outcomes.

Given that data for 2004-2005 for the basketball players are :

James- 20 points

John- 30 points

Chris- 50 points

Dave-15 points

Donaldson- 32 points

Richard -40 points

We predict the scores/points for James (for example) for the following year using the equation of the regression line y=0.79x+1544

We substitute his points x=20 I'm the equation:

Y=0.79*20+1544

=1599.8

The predicted value is 1599.8

5 0
3 years ago
If g(x)=f(1/3x) which statement is true
uysha [10]

Answer:

the graph of g(x) is horizontally stretched by a factor of 3

Step-by-step explanation:

8 0
3 years ago
Find the value of x
devlian [24]
X=20
180=7x+x+20
-20.         -20
180=7x+x
180=8x
divide by 8
x=20

5 0
3 years ago
Other questions:
  • Three cubes of each side 4cm are joining end to end. Find the surfacing area of resulting cuboid.
    12·1 answer
  • Twice the opposite of a number is increased by 5 and this sum is multiplied by 2. The result is 22 greater than the number. What
    14·1 answer
  • There were 300 seats in the school gym. Of the all the seats 120 had stripes and the rest had polka dots on them. What percentag
    15·1 answer
  • Plz answer it the last question
    8·1 answer
  • The seventh grade class supplied bags of snacks and beverages for the school dance. They supplied 50 more beverages than bags of
    6·1 answer
  • Simplify the expression.<br><br><br> 5.3x - 9 + 7.6x
    5·2 answers
  • Simplify the monomial (Please show work)<br><br> (2ab^2)(4a^2b^3) - (10a^3b)(6b^4)
    6·1 answer
  • Number them by order please
    11·2 answers
  • The inflation rate on gas is 13%. If the price of
    10·1 answer
  • A couple plans to save for their child's college education. What principal must be deposited by the parents when their child is
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!