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3 years ago

Combine these radicals. –23 –11

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

5 0

The answer to your question is -34

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Please Help!!! Fill in the blank: 8 + _ = 6

iragen [17]

Answer:

-2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

What is the value of k? 0.5k+6=4k-8

Mashcka [7]

6+8=4k-.5k
14=3.5k
So K=4

4 0

3 years ago

Read 2 more answers

{2x+2y=2,2(x+y)=10}A. single solution B. no solution C. infinite solutions

mixer [17]

To find the number of solutions of a system of linear equations you need to identify the slope (m) in each equation:

$y=mx+b$

-If the slope is the same in both lines the system has no solution

-If the slope is different in the lines the system has one solution

-If the equation are the same (incluided the value of b) the system has infinitely many solutions

You have the next equations:

$\begin{gathered} 2x+2y=2 \\ 2(x+y)=10 \end{gathered}$

Write the equations in slope-intercept form y=mx+b (solve for y).

First equation:

$\begin{gathered} 2y=-2x+2 \\ y=-\frac{2}{2}x+\frac{2}{2} \\ \\ y=-x+1 \end{gathered}$

Second equation:

$\begin{gathered} 2x+2y=10 \\ 2y=-2x+10 \\ y=-\frac{2}{2}x+\frac{10}{2} \\ \\ y=-x+5 \end{gathered}$ As the equations have the same slope m = -1, the system has no solution (the line doesn't cross each other)

5 0

2 years ago

Every evening Jenna empties her pockets and puts her change in a jar. At the end of the week she counts her money. One week she

Sergeeva-Olga [200]

A) .10 d + .25 q = 7.75
B) d + q = 40

Multiplying B) by -.10
B) -.10d -.10q = -4.0
Then adding this to A)
A) .10 d + .25 q = 7.75
.15q = 3.75

Quarters = 25
Therefore, dimes = 15
***************************************************
Double-Check
A) .10 d + .25 q = 7.75
A) .10 * 15 d + .25 * 25 = 7.75
A) 1.50 + 6.25 = 7.75

Correct!!

6 0

3 years ago

Find the missing side length CAN SOMEONE PLEASE HELP ME? PLEASEEEEE!!!

Ganezh [65]

Answer:

13.31803792

Step-by-step explanation:

Law of Cosines

a= 8

b= 18

c= ?

$c^2=a^2b^2-2ab*cos(c)$