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3 years ago

2 questions

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

8 0

Answer:

1. A. $33 loss

2. B

Step-by-step explanation:

1. -26 - 11 - 9 +13 = -33

2. B is the only graph in which the Whole Numbers do not contain a negative or decimal (which are not WNs)

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Steve puts an 18-foot ladder against his house. The ladder reaches a height of 15 feet on the house. How far is the bottom of th

krek1111 [17]

Answer:

$3 \sqrt{11}$

Step-by-step explanation:

Since we are given the hypotenuse which is 18 since it slanted, and leans on the house. And we are given one of the legs which is 15 since it is vertical. We can use the pythagorean theorem to solve for this problem.

${a}^{2} + {b}^{2} = c {}^{2}$

where a and b are the legs and c is the hypotenuse l.

Let plug it in

${a}^{2} + 15 {}^{2} = {18}^{2}$

${a }^{2} + 225 = 324$

${a}^{2} = 99$

$a = \sqrt{99}$

$a = \sqrt{9 \times 11}$

$a = 3 \sqrt{11}$

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3 years ago

The point on the number line is located at which of the following mixed numbers?

I am Lyosha [343]

Answer:

is 6 3/4

Step-by-step explanation:

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3 years ago

Read 2 more answers

A central angle of a circle measures 42 degrees. What else can be shown to measure 42 degrees?

Slav-nsk [51]

Answer:

Vertically opposite angles

Step-by-step explanation:

Given

$\theta = 42^\circ$

Required

What else can measure $\theta = 42^\circ$

The question has missing options. So, I will give a general explanation.

Using the attached image as a point of reference.

Given that:

$\theta = 42^\circ$

The value of b is calculated as:

$b = \theta$

Because b and $\theta$ are vertically opposite angles

This gives:

$b = 42^\circ$

So, one possible answer to the question is a vertically opposite angle

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3 years ago

The function f(x)= --x is shown on the graph.

sertanlavr [38]

Answer:

Option (3).

Step-by-step explanation:

Attached figure is the graph of a function,

f(x) = - $\sqrt{-x}$

Since domain of any function is the set of all possible input values of the function,

Therefore, Domain of the function is,

Domain : x ≤ 0 Or (-∞, 0]

And range of the function is the set of all possible output values (y-values) of the function.

Therefore, Range of the function will be,

Range : y ≤ 0 Or (-∞, 0]

Therefore, Domain and range of this function is same.

Option (3) will be the answer.

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3 years ago

Please help! Please please please

scoray [572]

Answer:

For x ≥ 2, the graph will be a straight line parallel to x-axis and having equation y = - 3

And for x < 2 will be a straight line having equation y = x i.e. the graph makes 45° angle with the positive x-axis and passing through the origin.

Step-by-step explanation:

The piece wise function g(x) is given by

g(x) = x if x < 2 and g(x) = - 3 if x ≥ 2.

Now, the graph has two parts, one for x ≥ 2 and another for x < 2.

Here, for x ≥ 2, the graph will be a straight line parallel to the x-axis and having equation y = - 3

Again, the graph for x < 2 will be a straight line having equation y = x i.e. the graph makes 45° angle with the positive x-axis and passing through the origin. (Answer)

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3 years ago