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3 years ago

Please help me with this homework

Mathematics

2 answers:

torisob [31]3 years ago

6 0

Answer:

9.81 x 100,000

Step-by-step explanation:

Leviafan [203]3 years ago

4 0

Answer:

9.81*10^5

Step-by-step explanation:

Move the decimal point to the right of the first digit of the number. It should be a decimal number between 1 and 10. Write that down.

Then count the number of places you need to move the decimal point from that place to the right, and that's how many times 10 needs to be squared.

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5 bags of apples 29 apples in each bag

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3 years ago

Find the coordinates of the turning point of y = x^2 + 8x + 17

Amiraneli [1.4K]

Answer:

(-4 , 1)

Step-by-step explanation:

We know that the turning point of any parabola is in its vertex. The x of the vertex can be calculated with the formula:

x = -b/2a

In our case b = 8, a = 1, so:

x = - 8/2 = -4

We plug this value into our original equation and find the y of the vertex:

(-4)^2 + 8(-4) + 17 = 16 - 32 + 17 = 1

Vertex = (-4 ; 1)

6 0

3 years ago

A rectangle has an area of 32 square feet and a perimeter of 24 feet

Georgia [21]

Answer:

length = 8 feet

width = 4 feet

Step-by-step explanation:

l x w = 32

2l + 2w = 24

l = 8

w = 4

3 0

3 years ago

Y=f(x)=(1/9)^x find f(x) when x=(1/2)

tatyana61 [14]

Answer:

$\frac{1}{3}$

Step-by-step explanation:

In this question, you would solve the for f(x) by plugging in the given value to x.

Solve:

$\frac{1}{9}^\frac{1}{2}$

Distribute the exponent to the numerator and denominator.

$\frac{1^\frac{1}{2}}{9^\frac{1}{2}}$

Simplify.

$\\\\\frac{1^\frac{1}{2}}{9^\frac{1}{2}}\\\\9^\frac{1}{2}=3\\\\\frac{1^\frac{1}{2}}{3}}\\\\$

Use the $1^a = 1\,\text{}$ rule for the numerator:

$\frac{1}{3}$

Your final answer would be $\frac{1}{3}$

8 0

3 years ago

180 euros to the uk exchange rate was €1.2 to £1 how much did he get in £ sterling

Nataliya [291]

Here you can use proportion:

The ratio betwen €1.2 to £1

is the same as the ratio between €180 to £x

Mathematically this means that

$\dfrac{1.2}{180} =\dfrac{1}{x}$ .

Now

$1.2\cdot x=180\cdot 1\\\\ x=\dfrac{180}{1.2} \\ \\x=150$

Answer: €180 is £150

6 0

4 years ago

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