MATHEMATICS MIDDLE SCHOOL

Simplify 9 to the second power over 9 to the seventh power.

Answers

Answer 1
Answer: 9^2  subtract the exponents. 9^-5 can't have that so flip the fraction.
----
9^7

1
---     is the answer
9^5
Answer 2
Answer:

Answer:9^5

Step-by-step explanation:

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There are 3 cans that store 9 tennis balls. Consider the number of balls per can a.find the constant of proportionality for this situationb.Write an equation to represent the relationship

Answers

Answer:

Write an equation that will model the proportional relationship given in each real world situation.

1. There are 3 cans that store 9 tennis balls. Consider the number of balls per can.

a. Find the constant of proportionality for this situation.

9 balls (B)

_________ = 3

3 cans (C)

b. Write an equation to represent the relationship.

b = 3c

If you can draw a number line that shows the relationship between tons and pounds, what would it be

Answers

2000 Pounds = 1 Ton
Hope you get it right 

What is the sum of the complex numbers below? 4−7i and −3+5i a −i
b 1+2i
c 3
d 1−2i

Answers

Answer:

D. 1-2i is your answer.

Step-by-step explanation:

What you're doing is adding them together.

4 + -3 + -7i + 5i = 1-2i

D. 1-2i is your answer.

shania wants to measure the capacity of her bathroom sink. Circle the unit of measurement she should use to measure its capacity. POUNDS. TONS. QUARTS. OUNCES

Answers

quarts since the other 2 measure weight

-Hope this helps :)

Answer:

Quarts

Step-by-step explanation:

The other options measure weight

22.88 what is the number rounded to the nearest tenth

Answers


The next larger tenth is  22.9 .
The next smaller tenth is  22.8 .

22.88  is nearer to  22.9  than it is to  22.8 .

So  22.9  is the nearest tenth.
22.8 rounded to the nearest tenth is 22.9 because the hundredth digit is greater than or equal to 5.

What is the discriminant of the quadratic equation 3 - 4x = -6x^2-68
-56
76
88

Answers

Answer: B) -56

Step-by-step explanation:  In a quadratic equation, the discriminant helps tell you the number of real solutions and it is:

b^(2) -4ac

To calculate the discriminant of the given equation, we need to write it in the standard form (we equal it to zero):

6x^(2) -4x+3=0

here we can see that a=6;  b=-4; and c=3

so the discriminant would be:

(-4)^(2) -4*6*3=

16-72=-56
The discriminant is -56.

The discriminant is found using

b²-4ac, after the quadratic is in standard form.  First, we will add 6x² to both sides to write it in standard form:
3-4x=-6x²
3-4x+6x²=-6x²+6x²
6x²-4x+3=0

We can now see that b=-4, a=6 and c=3:

(-4)²-4(6)(3)
16-72
-56
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