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ss7ja [257]
3 years ago
8

3x%2B5%7D%20%5Catop%20%7By%3D-4x%2B7%7D%7D%20%5Cright.%5C%5C%5C%5C%5Ctext%7BThank%20you.%7D" id="TexFormula1" title="\text{Solve the system of equations:}\\\\\left \{ {{y=3x+5} \atop {y=-4x+7}} \right.\\\\\text{Thank you.}" alt="\text{Solve the system of equations:}\\\\\left \{ {{y=3x+5} \atop {y=-4x+7}} \right.\\\\\text{Thank you.}" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
Anika [276]3 years ago
4 0

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

(0.286, 5.587)

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

  • I have graphed the two equations in a program. When graphed, the lines intersect at point (0.286, 5.587).
  • See the graph attached.

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

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Natasha used 21 square tiles to make a rectangle. Which of the following could be the dimensions of her rectangle?
EleoNora [17]

Answer:

7×3

Step-by-step explanation:

option b

i hope it is helpful for you

3 0
2 years ago
Read 2 more answers
Find the critical value from the Studentized range distribution for H0: μ1 = μ2 = μ3 = μ4 = μ5, with n = 35 at α = 0.01. Provide
Aleonysh [2.5K]

Answer:

t-value = 2.441

Step-by-step explanation:

Let's assume that this is a one-tailed test to calculate the critical value, the process is this:

  • Calculate alpha (α): α = 1 - (confidence level / 100) , but we already have this α=0.01
  • Find the critical probability (p*): p* = 1 - α/2  = 1-0.005=0.995
  • Then, the critical value would be shown as a t statistic, but for this we need:

degrees of freedom (df)= n-1=35-1=34

  • The critical t statistic (t*) or critical value is the t-value having degrees of freedom equal to 34 and a cumulative probability equal to 0.995.

From the attached table we can see:

t-value = 2.441

8 0
3 years ago
How do I find the value of xfor the following triangles
Naddik [55]

Given at the figure 1

A right triangle of legs of 10 and 16

We need to find the angle x

The side of 16 represent the opposite side of the angle x

The side of 10 represents the adjacent side of the angle x

According to the known sides, we can find x using tan function :

So,

\begin{gathered} \tan x=\frac{opposite}{adjacent} \\  \\ \tan x=\frac{16}{10}=1.6 \\  \\ x=\tan ^{-1}1.6=57.995 \end{gathered}

Rounding to the nearest degree

So, the measure of angle x = 58

4 0
1 year ago
-5x + 4 - x -1<br> Identify the terms, like terms, coefficients, and constants in each expression.
koban [17]

terms: -5x, 4, -x, -1

like terms: 4 and -1, -5x and -x

coefficients: -5 and -1

constants: 4 and 1

(depending on your teacher, the - could not be considered part of the coeficient, meaning the coefficents would be -5 and 1, as well as just x, not -x)

3 0
3 years ago
Read 2 more answers
Carrie and dave each rent the aame size moving truck for one day they pay a fee x dollars for the truck and y dollars per mile t
Elina [12.6K]

Answer:

The amount of the fee for the truck is $20 and cost per mile is $1.3.

Step-by-step explanation:

If they pay a fee x dollars for the truck and y dollars per mile they drive.

Carrie drives 150 miles and pays $215.

Her fee= $x for the truck + 150 X y =215

x+150y=215...(I)

Similarly, Dave drives 120 miles and pays $176

His fee =$x for the truck + 120 X y = 176

x+120y=176....(ii)

To determine the values of x and y, we solve Equations I and II simultaneously.

x+150y=215...(I)

x+120y=176....(ii)

Using elimination method (Subtracting equation II from I)

30y=39

y=1.3

Substitute y=1.3 into (I) to get x.

x+150y=215...(I)

x+(150X1.3)=215

x+195=215

x=215-195=20

Since x=20, y=1.3, The amount of the fee for the truck is $20 and cost per mile is $1.3.

5 0
3 years ago
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