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2 years ago

X =x=x, equals ^\circ ∘ degrees

Mathematics

1 answer:

Andrej [43]2 years ago

3 0

Step-by-step explanation:

x = 145°

we don't even need the upper parallel line with the 35° angle.

it is simply based on the fact that the angles on both sides of 2 intersecting lines have to be the same (just left-right mirrored).

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E graph shows the altitude of a helicopter over time.

DaniilM [7]

Let

x-------> the time

y-------> the altitude of a helicopter

Step 1

Find the slope of the line

we know that

the slope m of the line between two points is equal to

$m=\frac{(y2-y1)}{(x2-x1)}$

we have

$(x1,y1)=(0,10,000)\\(x2,y2)=(15,4,000)$

substitute in the formula

$m=\frac{(4,000-10,000)}{(15-0)}$

$m=\frac{(-6,000)}{(15)}$

$m=-400\frac{feet}{minute}$

therefore

the answer is the option

The slope is $-400$ . This means that the helicopter descends $400$ ft each minute.

4 0

3 years ago

16 What value could you put in place of the x to make it a function? * (8, 7) (7,-6) (-4,5) (x, 9)

Tresset [83]

Answer:

Step-by-step explanation:

You can't have a repeated x-value in a function.

8 is taken by (8, 7)

7 is taken by (7,-6)

-4 is taken by (-4, 5)

9 is the only number that is not taken by any other point yet.

Remember that for a relationship to be a function it can't have repeated x-values. However, it doesn't matter to have the same x and y values!

Hope this helped!

6 0

2 years ago

On Monday, 337 students went on a trip to the zoo. All 9 buses were filled and 8 students had to travel in cars. How many studen

Reika [66]

Answer:

On each bus there were 36 kids

Step-by-step explanation:

First you take 337 subtract it by 8 then divide it by 9.

4 0

2 years ago

What is the area of a triangle with vertices at (0, – 2), (8, – 2), and (9, 1)?

Luda [366]

ANSWER:

The area of the triangle with vertices at (0, – 2), (8, – 2), and (9, 1) is 12 square units.

SOLUTION:

Given, vertices of the triangle are A(0, -2), B(8, -2) and C(9, 1).

We have to find the area of the given triangle.

We know that,

$\text { Area of triangle }=\frac{1}{2}\left(x_{1}\left(y_{2}-y_{3}\right)+x_{2}\left(y_{3}-y_{1}\right)+x_{3}\left(y_{1}-y_{2}\right)\right)$

$\text { Where, }\left(x_{1}, y_{1}\right),\left(x_{2}, y_{2}\right),\left(x_{3}, y_{3}\right) \text { are vertices of the triangle. }$

Here in our problem, $\left(\mathrm{x}_{1}, \mathrm{y}_{1}\right)=(0,-2),\left(\mathrm{x}_{2}, \mathrm{y}_{2}\right)=(8,-2) \text { and }\left(\mathrm{x}_{3}, \mathrm{y}_{3}\right)=(9,1)$

Now, substitute the above values in the formula.

$\text { Area of triangle }=\frac{1}{2}\left(x_{1}\left(y_{2}-y_{3}\right)+x_{2}\left(y_{3}-y_{1}\right)+x_{3}\left(y_{1}-y_{2}\right)\right)$

$=\frac{1}{2}(0(-2-1)+8(1-(-2))+9(-2-(-2))$

$=\frac{1}{2}(0+8(1+2)+9(2-2))$

$\frac{1}{2}(0 + 0 +24) = \frac{24}{12} = 2$

Hence, the area of the triangle is 12 sq units.

7 0

3 years ago

3 pounds of peanuts for 7.50 how much per pound?

zimovet [89]

Answer:

$2.50

Step-by-step explanation

7.50 divided by 3 is 2.50

4 0

2 years ago

Read 2 more answers