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hjlf
3 years ago
10

Pls help me, i need to get my grade up as soon as I can

Mathematics
1 answer:
Aleksandr [31]3 years ago
4 0

Answer:

106 and 93

Step-by-step explanation:

The whole thing has to add up to 360

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2019 Chapter Sprint Round, #20
nadezda [96]

Answer:

Speed\ of\ car=38\ km/h

Step-by-step explanation:

Distance Covered by Horse:

Speed\ of\ horse=50\ km\h=50\times \frac{1000}{60}\ meter/ minute\\\\Speed\ of\ horse=\frac{2500}{3}\ meter/minute\\\\Distance\ covered\ in\ 4\ minutes=speed\times time=\frac{2500}{3}\times 4\\\\Distance\ covered\ in\ 4\ minutes=\frac{10000}{3}\ meters\\\\

Distance covered by Car:

Let\ speed\ of\ car=x\ meter/minute\\\\time=4\ minutes\\\\Distance\ covered=speed\times time=4\times x=4x

Distance\ covered\ by\ horse=Distance\ covered\ by\ car+800\\\\\frac{10000}{3}=4x+800\\\\4x=\frac{10000}{3}-800\\\\4x=\frac{7600}{3}\\\\x=\frac{7600}{3\times 4}\ meter/minute\\\\x=\frac{7600}{3\times 4}\times \frac{60}{1000}\ km/h\\\\x=38\ km/h

7 0
3 years ago
Mindy and Troy ate total of 9 pieces of the wedding cake. Mindy ate 3 pieces and Troy ate 1/4 of the total cake. Write an equati
Arlecino [84]

Answer:

I. x + y = 9

II. x = 3

III. y/c = 1/4 --> y = 1/4*c

II and III in I

3 + 1/4*c = 9 --> c = 24


6 0
3 years ago
Given h(x)=(3x-4), f(x)=(-7x+2), g(x)=(9x+1), which of the following is equivalent to 2x+3?
melomori [17]

Answer: g(x)=(9x+1)

Step by step explanation:

7 0
3 years ago
Which of the following tools is used by engineers and scientists to document their brainstorming, sketches, design ideas, soluti
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Answer:

sketches design ideas and testing results I'm pretty sure

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3 years ago
In a circle abcd, ac=8 cm then find the measure of ob​
Crazy boy [7]
18 because 8 plus 10 is 18 thanks u
3 0
3 years ago
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