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iren [92.7K]
3 years ago
6

What is the square root of -1?

Mathematics
2 answers:
Sonja [21]3 years ago
7 0

Answer: i

Step-by-step explanation: the awnser is i just trust me here

lesantik [10]3 years ago
4 0

Answer:

i

Step-by-step explanation:

Rewrite

\sqrt{ - 1}

as

i

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dane used a ruler and a protractor to draw a rhombus with a side of 4 cm inlength and an angle that measures 110 degrees choose
lara [203]

Answer:

 70 °

Step-by-step explanation:

We have that one side of the rhombus is equal to 4 cm and an angle of the rhombus is 110 degrees. We know that the adjacent sides of a rhombus are supplementary, which means that the sum of the angles must be 180 degrees.

We can assume that the other angle is x.

110 ° + x = 180 °

x = 180 ° -110 °

x = 70 °

The measure of the missing angle on the diagram will be 70 °.

3 0
3 years ago
4:3 19:11 equivalent ratios?
maria [59]

Answer:

No

Step-by-step explanation:

We can tell if these ratios are equivalent by dividing the numerators and denominators. <em>If we end up with the same result, these ratios are equivalent</em><em>.</em>

<em />

<em />\frac{4}{3}<em>   </em>\frac{19}{11}<em />

<em />

<em />19 \div 4 = 4.75\\\\11\div 3 = 3.\overline{66}<em />

<em />

These two numbers are not equivalent, so these ratios aren't equivalent to each other

Hope this helped!

6 0
3 years ago
If 9&lt;15mx-8&lt;279&lt;15mx−8&lt;279, is less than, 15, m, x, minus, 8, is less than, 27, where mmm is a positive constant, wh
rewona [7]

Answer:

The range of \frac{8}{3}-5mx is (-9,-3).

Step-by-step explanation:

The given compound inequality is

9

We need to find the range of values of  \frac{8}{3}-5mx.

Let y=\frac{8}{3}-5mx

Divide each side of the given compound inequality by 3.

\frac{9}{3}

3

3

Multiply each side by -1.

If we multiply an inequality by a negative number, then the sign of inequality is changed.

3(-1)>(5mx-\frac{8}{3})(-1)>9(-1)      

-3>-5mx+\frac{8}{3}>-9

-3>\frac{8}{3}-5mx>-9

-3>y>-9

Therefore the range of \frac{8}{3}-5mx is (-9,-3).

5 0
3 years ago
Which of these is an algebraic expression?
anastassius [24]
B. because there is a variable (2b - 5)
6 0
3 years ago
Read 2 more answers
Use Figure 1 to answer questions 1-4
kolezko [41]

Answer:

95 degrees

Step-by-step explanation:

since angles 1 and 4 are vertical angles, they are congruent

3x+10=4x-15

3x-4x=-15-10

-x=-25

x=25

x=25 degrees

angles 4 and 7 are supplementary due to them being alternate exterior angles

lets find the measure of angle 4:

4x-15

4*25-15

100-15

85 degrees

Now, lets find the angle measure of angle 7:

85+x=180

x=180-85

x=95

So, the angle measure of angle 7 is 95 degrees

5 0
4 years ago
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