If you have 25 questions on your exam how many do you need to miss to make a 39 ?

Mathematics

1 answer:

luda_lava [24]2 years ago

8 0

You need fourteen hope it helps

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At a park, there are 38 people playing tennis some or playing doubles and some are playing singles there are 13 matches in progr

dmitriy555 [2]

X = number of singles matches
y = number of doubles mnathes

so we have the equation x + y = 13.......(1)

also

2x + 4y = 38 ...........(2)

(1) and (2) are the required equations

b) Find how many maches are in progress by solivng the above equations:-

x + y = 13 multiply this by -2:-
-2x - 2y = -26
2x + 4y = 38 Adding to removes the terms in x:-

2y = 12

y = 6

so x = 13-6 = 7

So the answer is 6 double matches and 7 singles are in progress.

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2 years ago

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Serhud [2]

The answer is 80 degrees hope it helps

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3 years ago

Fill in the missing term in the equation

Y_Kistochka [10]

Answer:

Step-by-step explanation:

Let's simplify the LHS so it can be equated to the RHS.