????????help??????????

Mathematics

1 answer:

jeka943 years ago

7 0

Answer:

Step-by-step explanation:

$|a+bi|=\sqrt{(a+bi)(a-bi)}=\sqrt{a^2+b^2}\\\sqrt{a^2+(-6)^2}\\=\\\sqrt{100} \\=10$

You might be interested in

Solve for the indicated variable (y) <br> 9x+y=7

Gnesinka [82]

1. Slope=9
2. x-intercept = 7/9 = 0.77778
3. y-intercept = 7/-1= -7.00000
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation: 9*X-Y-(7)=0
Hope this helps

7 0

3 years ago

Which is equivalent to (4xy – 3z)2, and what type of special product is it?

bazaltina [42]

Hello,

Answer D
16x²y²-24xyz+9z² a perfect square trinomial which
le square of the difference of 3z from 4xy.

6 0

3 years ago

Read 2 more answers

Please answer with explanation, I don't understand.<br><br> <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%5E2-14x%2B49%7D%20%3Dx

Crank

Answer: x ≥ 7

Step-by-step explanation:

You have to square both sides of the equation. You can manipulate an equation or function any way imaginable as long as it is done equally and helps the problem become easier. If we square this, the radical will cancel and we will get two trinomials equal to each other.

$x^2-14x+49=(x-7)^2\\x^2-14x+49=x^2-14x+49$

We can see the two expressions are exactly equal to each other. All real numbers are solutions, besides a few. These few are when the radical is equal to a negative number. So lets set up an inequality stating that the radical must be greater than or equal to 0.

$x^2-14x+49\geq 0\\(x-7)^2 \geq 0\\x \geq 7$

6 0

3 years ago

Write the multiplication equation that the diagram represents

Maurinko [17]

1/2 times 1/2 is your answer, because all the diagrams represent that

6 0

3 years ago

Relative risk is an ideal form of measurement for a retrospective cohort study design because it allows researchers to recruit b

kolezko [41]

This indicates that the individuals taking vitamin C were 53% less likely to catch a cold and that taking vitamin C has a protective effect, making them less likely to catch a cold.

This is further explained below.

<h3>What is vitamin C?</h3>

Generally, Vitamin C, which is also known as ascorbic acid, is an essential nutrient for the expansion, maturation, and maintenance of all of the body's tissues. It plays an important role in the synthesis of collagen, the absorption of iron, the appropriate functioning of the immune system, the healing of wounds, and the preservation of cartilage, bones, and teeth.

In conclusion, This suggests that those persons who took vitamin C were 53% less likely to develop a cold and that taking vitamin C has a protective impact, making them less likely to catch a cold.

Additionally, this implies that taking vitamin C makes one less likely to catch a cold.