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Virty [35]
3 years ago
7

Help me ASAP and correctly for the BRAINLIEST worth all my points !!!!!!

Mathematics
2 answers:
Helen [10]3 years ago
6 0

Answer:

Top left

Explanation:

lys-0071 [83]3 years ago
6 0

Answer:

Step-by-step explanation:

it is the first one because it has the box there and it is the only one with a box

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n a family vacation, Amy’s dad drove the car at a constant speed and traveled 585 miles in 13 hours. At this rate, how long woul
klemol [59]

Answer: 18 hours

Step-by-step explanation:  

Amy's dad drove the car at a constant speed and travel 585 miles in 13 hours , using proportion . Find out how long would it have taken the family to travel 810 miles . Let   x -----> the time in hours to travel 810 miles! Hope this helps! Good luck!

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2 years ago
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Is -7 rational or irrational
jok3333 [9.3K]

Answer:

rational. BRAINLIEST??

Step-by-step explanation:

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If the following fraction is reduced, what will be the exponent on the p? - 5p^5q^4/8p^2q^2 5 4 3 2
SSSSS [86.1K]
\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad 
a^n\implies \cfrac{1}{a^{-n}}
\\\\
-------------------------------\\\\
-\cfrac{5p^5q^4}{8p^2q^2}\implies -\cfrac{5}{8}\cdot \cfrac{p^5q^4}{p^2q^2}\implies -\cfrac{5}{8}\cdot p^5p^{-2}q^4q^{-2}
\\\\\\
-\cfrac{5}{8}\cdot p^{5-2}q^{4-2}\implies -\cfrac{5\stackrel{\downarrow }{p^3}q^2}{8}
8 0
3 years ago
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ralph and alphonse are shooting marbles. ralph has 5 more marbles than alphonse and they have a total of 73 marbles. how many ma
PSYCHO15rus [73]

Ralph (r): a + 5

Alphonse (a): a

Ralph + Alphonse = Total

(a + 5) + (a) = 73

2a + 5 = 73

2a = 68

a = 34

Ralph: a + 5 = 34 + 5 = 39

Answer: Ralph has 39 marbles, Alphonse has 34 marbles

6 0
3 years ago
A problem contains the points (0,0),(1,-2) and (-1,-4). What is the equation of this parabola in standard form?
Bas_tet [7]

Answer:

The general equation of the parabola     y = -3 x² + x

Step-by-step explanation:

<u><em>Step(i):- </em></u>

Given points are (0,0) , (1, -2) and ( -1 , -4 )

Given the standard parabola

                                y = ax²+ b x + c ...(i)

Passing through the point (0,0)

                              c = 0

Passing through the point (1,-2)

                            -2 = a(1) +b(1)

                   a + b = -2 ...(ii)

Passing through the point (-1, -4)

                        - 4 = a - b

               a - b = -4 ...(iii)

<u><em>Step(ii)</em></u>:-

Adding (ii) and (iii) equations , we get

            2 a = -6

              a = - 3

substitute   a = - 3 in equation (ii)

       -3 + b =-2

             b = -2 + 3 = 1

<u><em>Final answer:</em></u>-

The general equation of the parabola

              y = ax²+ b x + c

             y = -3 x² + x + 0

             y = -3 x² + x

4 0
3 years ago
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