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3 years ago

Is (-2,4) a solution of the graphed inequality?

Mathematics

2 answers:

k0ka [10]3 years ago

6 0

we need the equation or graph to figure that out

Mariana [72]3 years ago

5 0

You need a graph to get this question ..

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The sum of a number times 8 and 21 is less than -16.

vodka [1.7K]

Hello.

First of all, let the number be t.

8 times t can be written like this:

$\mathrm{8t}$

Notice that the number is before the variable and the times sign (×) is not there.

We can write it as 8×t, but we usually write it as 8t.

The sum of means we add:

8t+21

Now, "less than" is "<" :

$\mathrm{8t+21 < -16}$

Therefore, the answer is

$\mathrm{8t+21 < -16}$

I hope it helps.

Have a nice day.

$\boxed{imperturbability}$

7 0

2 years ago

The angles of a quadrilateral all have the same measure. What is the name of the quadrilateral?

castortr0y [4]

The quadrilateral is either a square or a rectangle as all angles are the same measure (90 degrees)

8 0

3 years ago

Read 2 more answers

Find the domain and range

almond37 [142]

Answer:

See answer above.

Step-by-step explanation:

These are the ordered pairs on the graph: (-2, 5), (2, 3), (-3, -2), (0, -5), (3, -6)

The domain is the first point in teach ordered pair and the range is the second number in the ordered pair.

So the domain is {-2, 2 , -3, 0, 3}

Range is {5, 3, -2, -5, -6}

6 0

2 years ago

PLEASE HELP ASAP!! A triangle has vertices X(2,1), Y(5,4), and Z(5,1). What is the area of the triangle?

Aliun [14]

Answer Is Option a)4.5 sq.units

Given vertices are X(2,1),Y(5,4) and Z(5,1)

Answer is given above in the image

If you have any doubts see the image or ask in comments box .

 HAVE A NICE DAY!

THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

6 0

3 years ago

Given cos A = 0.25 find angle A in degrees. Round your answer to the nearest hundredth.

Fantom [35]

We have that
cos A=0.25
so
A=arc cos (0.25)-------> using a calculator----> A=75.5225°
Round to the nearest hundredth-----> A=75.52²

the answer is
the option 75.52°

8 0

3 years ago