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dalvyx [7]
3 years ago
15

HELP PLEASE!!! I am doing my math and I need someone to help me with this problem. I am very confused and my family is gone on a

trip.

Mathematics
1 answer:
yanalaym [24]3 years ago
4 0

Answer:

1) 250 meters= 0.25 km

2) 12 meters=  0.012km

3) 1 meter= 0.001 km

The constant of proportionality is 1000 meters in 1km (1000 meters)

I think there’s a mistake on the second part because 1 meter does not equal to 1000km. but I did part 1 for you!

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Maths<br> Share £72 in the ratio 2:7
avanturin [10]
2+7= 9 
72 / 9 = 8
8 * 2 = 16
<span>8 * 7 = 56 
</span>16:56
<span>
Key: 
</span>* = times
<span>/ = divide</span>
5 0
3 years ago
Solve the equation 6x + 3y = 15 for y. What does y equal if x = 2? If x = 5?
horsena [70]
6(2)+3y=15
12+3y=15
-12        -12
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3y/3  3/3
y=1

6(5)+3y=15
30+3y=15
-30        -30
3y=-15
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4 0
3 years ago
Read 2 more answers
The base of a triangular prism is an isosceles right triangle with a hypotenuse of
Setler [38]
SA= Lateral Area + Area (of base)

Lateral area = perimeter of base x height

An isosceles triangle has two congruent base segments. The hypotenuse of an isosceles right triangle is (length of base segment) x (the square root of 2). I did the math for you (shown above) to get 5 as a base.

So 5 + 5 + square root of 50 is your perimeter

Multiply the perimeter times your height (8) and you get the lateral area.

Add your lateral area to the base area (triangle = 1/2 bh)

LA = 136.568...
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6 0
3 years ago
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Solve 2 log3 x + log3 5 =125​
zepelin [54]

Answer:

x = √(3^125/ 5)

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Step-by-step explanation:

2 log3 x + log3 5 =125​

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log3 (5x^2) = 125

3^125 = 5x^2

x^2 = 3^125/ 5

x = √(3^125/ 5)

This is a huge number

An approximation of it is 2.9552445 * 10^29.

3 0
3 years ago
10. A taco stand sells tacos for $3.25 each. The stand’s expenses for the day are $210. Define your variables and write an inequ
makvit [3.9K]
X : number of tacos they sell per day. ...... profit = y = 3.25 × x - 210 ......inequality. y > 0. so. x > 210/3.25 = 840/13 = 64. ......so the taco stand must sell at least 65 tacos for making profit.
8 0
3 years ago
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