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Marianna [84]
3 years ago
14

What is the solution to the equation x/-3=4? A)x=-7 B)x=-4/3 C) x=-1 D)x=-12

Mathematics
1 answer:
pav-90 [236]3 years ago
7 0

d) x=-12 because x/-3=4 can be rearranged as x=4x-3 so x=-12

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myrzilka [38]
<h2>1:</h2>
  • 100 ounces = 6.25 pints
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       2 Miles = 126720 Inches

  • There are 36 inches in a yard

       3600/36= 100

       3600 inches = 100 yards

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       6800 m = 6.8 km

  • 1 m = 100 cm

        15000/100=150

         15000 cm=150 m

2:

a) Johnson ran  yard in second= 9

     1 minute = 60 second

    Johnson ran yard in one minute=  9 *60= 540 yards

b) Johnson ran  yard in second= 9

     1 hour = 60 minutes *60 second= 1200 seconds

    Johnson ran yard in one hour=  9 *1200= 10,800 yards

c) Johnson ran yard in one hour=  9 *1200= 10,800 yards

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   miles did he run in one hour= 10,800 / 1760 =6

   Johnson ran 6 mile in one hour

5 0
2 years ago
Need help ASAP!! Write an informal proof to show triangles ABC and DEF are similar.
yaroslaw [1]

Answer:

Δ ABC and Δ DEF are similar because their corresponding sides are proportional

Step-by-step explanation:

Two triangles are similar if their corresponding sides are proportional which means the corresponding sides have equal ratios

In the two triangles ABC and DEF

∵ AB = 4 units

∵ DE = 2 units

∴ \frac{AB}{DE}=\frac{4}{2}=2

∵ BC = 6 units

∵ EF = 3 units

∴ \frac{BC}{EF}=\frac{6}{3}=2

∵ CA = 2 units

∵ FD = 1 units

∴ \frac{CA}{FD}=\frac{2}{1}=2

∴ \frac{AB}{DE}=\frac{BC}{EF}=\frac{CA}{FD}=2

∵ All the ratios of the corresponding sides are equal

∴ The corresponding sides of the two triangles are proportional

∴ Δ ABC is similar to Δ DEF

6 0
2 years ago
55% of what number is 70? Round to the nearest tenth.
umka2103 [35]
55% of x is 70
0.55 times x=70
divide both sides by 0.55
127.27272727
round
127.3
5 0
3 years ago
Read 2 more answers
To mix weed killer with water correctly, it is necessary to mix 30 teaspoons of weed killer with 5 gallons of water. Find how ma
nlexa [21]
Answer
6 Gallons



Each gallon of water needs 6 teaspoons because 30/5=6

Now we know that teaspoons/6=amount of gallons

36/6=6 gallons
7 0
2 years ago
When constructing a perpendicular line through a point on a line, how can you verify that the lines constructed are perpendicula
aniked [119]

Answer:

C

Step-by-step explanation:

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7 0
3 years ago
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