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3 years ago

13

if two lines in a plane are cut by a transversal so that a pair of consecutive interior angles is supplemantary are the lines pa

rallel?

1 answer:

Mnenie [13.5K]3 years ago

3 0

Yes, and you can look at the interior angle theorem for extra evidence. hope this helps, xx

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Solve the inequality –1 > –2(x – 4) – 5(4x – 7).

Ksivusya [100]

Answer:

$x > 2$

Step-by-step explanation:

$–1 > –2(x – 4) – 5(4x – 7)$

$–1 > –2x + 8 –20x + 35$

$–1 > - 22x + 43$

$- 1 - 43 > - 22x$

$- 44 > - 22x$

$\frac{ - 44}{ - 22} < \frac{ - 22x}{ - 22}$

$2 < x$

$x > 2$

5 0

3 years ago

The 200 students in a school band will attend and awards dinner. A random survey of 25 of these students was conducted to determ

vagabundo [1.1K]

C, there are 32 more students who want a beef meal than want a chicken meal.

200/25 = 8
12 x 8 = 96
8 x 8 = 64
5 x 8 = 40
& 96 - 64 = 32

5 0

3 years ago

Determine the values of the parameter s for which the system has a unique solution, and describe the solution. sx 1 minus 2 sx

JulijaS [17]

Note: The equations written in this questions are not appropriately expressed, however, i will work with hypothetical equations that will enable you to solve any problems of this kind.

Answer:

For the system of equations to be unique, s can take all values except 2 and -2

Step-by-step explanation:

$2sx_{1} + 4x_{2} = -3\\2x_{1} + sx_{2} = 4$

$\left[\begin{array}{ccc}2s&4\\2&s\end{array}\right] \left[\begin{array}{ccc}x_{1} \\x_{2} \end{array}\right] = \left[\begin{array}{ccc}-3 \\6 \end{array}\right]$

For the system to have a unique solution, $\begin{vmatrix} 2s & 4 \\ 2 & s \end{vmatrix} \neq 0$

$2s^{2} -8 \neq 0\\2s^{2}\neq 8\\s^{2}\neq 4\\s \neq 2 or -2$

6 0

3 years ago

Can someone help please?

seraphim [82]

It is A pls, you can just plug 4x+1 into 4π $r^{2}$

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3 years ago

THE IMAGE DOWN BELOW MATH PLEASE HELP ME WITH THIS ALEGEBRA IM CRYING YALL

alisha [4.7K]

Answer:

25%

Step-by-step explanation:

Let's call the factor by which production increased x.

$x\cdot 84=105 \\\\\\x=\dfrac{105}{84}=1.25$

To find the percent increase, you need to subtract 1 from this value, because that represents the initial amount of robots produced. 1.25-1=0.25. Now, to find the percentage:

$0.25=\dfrac{25}{100}=25\%$

Hope this helps!

3 0

3 years ago

Read 2 more answers