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3 years ago

PLS HELP I NEED TO FIND THE ACTUAL DISTANCE BETWEEN WACH OAIR IF CITIES AND IF NECESSARY I HAVE TO ROUND TO THE NEAREST TENTH

Mathematics

1 answer:

kolbaska11 [484]3 years ago

8 0

1; 127 mi

2;78

Sorry i did not know the other answers

I hoped this helped

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Yara multiplies and divides a certain number by the same

Butoxors [25]

For this case we have to:

x: Represents the unknown number

y: Represents the exponent of base 10

So, considering a system of equations we have:

$x * 10 ^ y = 40,000\\\frac {x} {10 ^ y} = 0.000004$

From the first equation we have:

$10 ^ y = \frac {40,000} {x}$

Substituting in the second equation:

$\frac {x} {\frac {40,000} {x}} = 0.000004\\\frac {x ^ 2} {40,000} = 0.000004\\x ^ 2 = 40,000 * 0.000004\\x ^ 2 = 0.16\\x = \pm \sqrt {0.16}$

We choose the positive value:

$x = 0.4$

So, the number is 0.4.

So:

$10 ^ y = \frac {40,000} {0.4}\\10 ^ y = 100,000\\y = 5$

Thus, the exponent is 5.

Answer:

Yara use 0.4 and $10 ^ 5$

8 0

3 years ago

Raquel is going on a vacation. She is trying to figure out how much money to bring along. She plans to spend $120 on hotels, $45

algol [13]

Answer:

$320

Step-by-step explanation:

she needs to take 320 dollars with her for the trip because she needs about 290 dollars for her expenses then she wants 30 dollars left over so she needs to take about 3320 dollars and none of that includes any tax.

hope this helps :)

3 0

3 years ago

(20,19),(-2,5) Find the slope of the line through each pair of points

crimeas [40]

.............. M = 7/11

7 0

3 years ago

Read 2 more answers

For the basic function f(x)=x, what conclusions can you make about f(x) and f(x)-5? Select all that apply.

babunello [35]

Answer:The ansewers are c and d.

Step-by-step explanation:

The function f(x)=x is really y=x.

7 0

2 years ago

What is the y-intercept of the line y + 11 = -2(x +1.5)? - y-intercept = | = I

aleksandrvk [35]

Answer:

The y intercept of the line is (0, -14).

Step-by-step explanation:

we are given the equation

y + 11 = -2(x + 1.5)

The y-intercept of the line is the point where x = 0,

Substituting x = 0 into the expression:

y + 11 = -2(0 + 1.5)

y + 11 = -0 – 3

y + 11 = -3

y = 11 – 11 = -3 – 11

y = -14

Thus, The y intercept of the line is (0, -14).

-TheUnknownScientist 72

6 0

2 years ago