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3 years ago

15

You are asked to draw a triangle with side lengths of 3 inches, 4 inches, and 1 inch. How many triangles like this can you draw?

A) one B) three C) two D) zero

1 answer:

marishachu [46]3 years ago

6 0

I think you can draw two of them.

As you walk around the triangle in the clockwise direction,
you can run into the sides in the order of

   3 ==> 4 ==> 1

or in the order of

   3 ==> 1 ==> 4 .

Those are mirror images of each other. So they're not congruent,
and I think they're considered different triangles.

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2 years ago

Match the following items by evaluating the expression for x = -2.

Sloan [31]

Answer:

1) $-4$

2) $-3$

3) $1$

4) $-2$

5) $4$

Step-by-step explanation:

According to the information given in the exercise, the value of "x" is:

$x = -2$

Then:

1) You must substitute $x = -2$ into the expresion $x-2$ :

$=(-2)-2$

Now, you must evaluate:

$=-4$

2) You have to substitute the given value of "x" into the second expression:

$x-1=(-2)-1$

Finally, evaluating, you get the following result:

$=-3$

3) According to the Zero exponent Rule, any non-zero number with an exponent of zero is equal to 1.

Then, substituting $x = -2$ into the expression $x^0$ and then evaluating, you get:

$x^0=(-2)^0=1$

4) By definition:

$a^1=a$

Then, substituting $x = -2$ into $x^1$ and evaluating, you get:

$x^1=(-2)^1=-2$

5) Since:

$a^2=a*a$

When you substitute the given value of "x" into the last expression and then you evaluate, you get:

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2 years ago

Need this in 3 mins, 30 points, will mark as Brainliest!!!! Solve:

Sergeeva-Olga [200]

Answer:

The missing number is 4

Step-by-step explanation:

Given

21 x 39 x _____ x 19 divided by 12 = 5187

Required

Fill in the gap

Let the missing number be represented with y; So, the expression becomes

$\frac{21 * 39 * y * 19 }{12} = 5187$

Multiply both sides by 12

$12 * \frac{21 * 39 * y * 19 }{12} = 5187 * 12$

$21 * 39 * y * 19 = 62244$

Rearrange the expression on the left hand side

$21 * 39 * 19 * y = 62244$

$15561 * y = 62244$

Divide both sides by 15561

$\frac{15561 * y}{15561} = \frac{62244}{15561}$

$y = \frac{62244}{15561}$

$y = 4$

Hence, the missing number is 4

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2 years ago

I need some help! thank you!

Step2247 [10]

Answer:

The 1st,Thrid, Fifth Option

Step-by-step explanation:

The first option is true. We can move the orginal square root function to get g(x).

The second option is false. Function g(x) which equals

$\sqrt{x - 3} - 1$

Domain is all real numbers greater than or equal to 3.

The third option is true. Since minimum point we can get is 0 in a square root function. We have a vertical shift so our new minimum point is

$0 - 1 = - 1$

We can take the sqr root of 0 so

So all real numbers that are greater than or equal to -1 is true.

The fourth option is false, we need to add 3 instead of subtract 3.

The fifth option is true, we can do that to get back to our original function

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2 years ago