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3 years ago

Gabrielle is 10 years younger than Mikhail. The sum of their ages is 88. What is Mikhail's age?

Mathematics

1 answer:

melamori03 [73]3 years ago

4 0

78 i think bc its the only possible way fo get 10 to equal 88 when adding

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A person is 2 meters tall casts a shadow 6 meters long. At the same time, a flagpole casts a shadow 24 meters long. How tall is

Alexandra [31]

Answer:

8 meters

Step-by-step explanation:

Given that:

Height of person = 2metres

Length of person's shadow = 6 meters

Height of flagpole =?

Length of flagpole shadow = 24 meters

Height of person = length of person's shadow

Height of flagpole = length of person's shadow

2 = 6

x = 24

Cross multiply

6x = 48

x = 48 / 6

x = 8 meters

4 0

3 years ago

What is the average rate of change of f over the interval -7 < or equal to x Give an exact number

Annette [7]

Answer:

$\frac{4}{3}$

Step-by-step explanation:

The average rate of change can be found by using the following formula

$\frac{f(x_{2}) - f(x_{1}) }{x_{2} - x_{1}}$

Since the interval goes from -7 to 2, we should find the y-values that correspond to x=-7 and x=2.

By inspection of the graph, we can clearly see that when x is -7, y is -7 as well and when x is 2, y is 5.

Now that we know this, we can simply plug these values into the formula!

$\frac{f(2) - f(-7) }{2 - (-7)} = \frac{5 - (-7)}{2 - (-7)} = \frac{5 +7}{2+7} = \frac{12}{9} = \frac{4}{3}$

Good luck!

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3 years ago

Fill in the blank

k0ka [10]

Circumference; diameter

5 0

3 years ago

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What is the value of m in the equation 1/2m - 3/4n = 16 ,

amid [387]

m = 32 & n = 0

____________

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3 years ago

Why does each number only have one square root?

Tamiku [17]

Answer:

it gets multiplied by the value of the root .that is just more concise way of writing it .

Step-by-step explanation:

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3 years ago