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Molodets [167]
3 years ago
6

Need Help

Mathematics
2 answers:
Ray Of Light [21]3 years ago
6 0
Thank you for posting your question here at brainly. The choices based on the above question are the below, it can be found elsewhere. 

A. 1/7 <span>mpg
B. 7 mpg
C. 35 mpg
D. 175 mpg

The </span>unit rate for the distance traveled to the amount of gasoline used is 7 mpg. The answer is B.


Artemon [7]3 years ago
3 0

Answer:

7

Step-by-step explanation:

took the test (k12)

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Recall from Intermediate Algebra that two non-vertical lines are perpendicular if and only if they have negative reciprocal slop
OLEGan [10]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The line is y  =  -4 x

Step-by-step explanation:

From the question we are told that

The line is y  =  \frac{1}{4} x  + 8

The point is P(0,0 )

Generally the equation for a line is yn =  mx  + c

Now comparing this with the given equation we see that

m  =\frac{1}{4} =  slope

C  =8  =  intercept

Generally the slope of the perpendicular to the given line is mathematically evaluated as

m_1  = -  \frac{1}{m}

=> m_1  = -  \frac{1}{ \frac{1}{4}}

=> m_1  = -4

Generally from the univesal equation of a line and the given point we have that

y = mx + c at p(0,0) and m_1 =  -4 is

0 = -4 (0 ) + c

=> c = 0

Hence the equation perpendicular to the line given at the point given is

y  =  -4 x

8 0
3 years ago
Ralphie has 23 more toys than his little brother Joey. If they were to get all of their toys out and lay them on the floor, ther
fiasKO [112]
I cant see the question.
7 0
3 years ago
Read 2 more answers
Sin(60-theta)sin(60+theta)​
ehidna [41]

Step-by-step explanation:

\sin(60 -  \theta)  \sin(60 +  \theta)  \\  =  \{ \sin(60)  \cos( \theta)  -  \sin( \theta)   \cos(60)  \} \{ \sin(60)  \cos( \theta)  +  \cos(60)  \sin( \theta)  \} \\  =  \{ \frac{ \sqrt{3} }{2}  \cos( \theta)  -  \frac{1}{2}  \sin( \theta)  \} \{ \frac{ \sqrt{3} }{2}  \cos( \theta)  +  \frac{1}{2}  \sin( \theta)  \} \\  \\

from difference of two squares:

{ \boxed{(a - b)(a + b) = ( {a}^{2} -  {b}^{2} ) }}

therefore:

=  \{ {( \frac{ \sqrt{3} }{2}) }^{2}  { \cos }^{2}  \theta \} -  \{ {( \frac{ \sqrt{3} }{2} )}^{2}  { \sin }^{2}  \theta \} \\  \\  =  \frac{3}{4}  { \cos }^{2}  \theta -  \frac{3}{4}  { \sin}^{2}  \theta

factorise out ¾ :

=  \frac{3}{4} ( { \cos }^{2}  \theta  -  { \sin}^{2}   \theta) \\  \\  = { \boxed{ \frac{3}{4}  \cos(2 \theta) }}

3 0
3 years ago
Read 2 more answers
a total of 695 tickets were sold for the school play. They were either adult or student tickets. There was 55 fewer students tic
FinnZ [79.3K]

Answer:

375 + 320

Step-by-step explanation:

375 adult

320 students

equals 395

4 0
2 years ago
3m=5(m+3)-3 what is m equal to?
elena-s [515]

3m=5m+15-3

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4 0
3 years ago
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