6. The roots of the equation 2x2 + 4 = 9x are
a. Real, rational, and equal
b. Real, irrational, and unequal
Real, rational, and unequal
d. Imaginary

Answers

Answer 1

Answer:

c. Real, rational and unequal


Related Questions

PLEASE ANSWER!!! I WILL GIVR U BRAINLIEST!!

Answers

Answer:

k = 5

Step-by-step explanation:

The standard form of an equation representing proportionality is

y = kx ← k is the constant of proportionality

y = 5x ← is in standard form

with k = 5

Answer: 5 is the constant proportionality

Nat wants to buy a new bike for $240. She has already saved $67. Over the summer, she will earn $100 per month walking dogs.
How many months will it take her to earn the rest of the money she needs to buy the bike? Enter the answer in the box.
months

Answers

Answer:2 months

Step-by-step explanation:

If you're good with crushes or anything please text me , I need advice

Answers

Answer: Hi! I am an expert with crushes!

Step-by-step explanation: First, act like yourself... You don't want to act like somebody else and not show your true personality. Next, if you want to tell them you like them tell them during aprial fools (If they don't like you back you can just say it was an Aprial fools prank and not make it awkward. Try focusing on what they say, people like attention!

A rectangle is divided into equal squares. One row covers 1/8 of the whole rectangle. There are 3 squares in each row. How many squares are in the whole rectangle?

Answers

Answer:

There are 24 squares in the entire rectangle

Step-by-step explanation:

Trom the problem, we are given that one row covers 1/8 of the entire rectangle.

We are also told that this one row, contains three squares.

In other words, what this means is that three squares cover 1/8 of the entire rectangle.

The question is now if three squares cover only 1/8 of the rectangle, how many squares cover the whole rectangle.

In fraction, we can represent a whole using 1/1

We can set up a simple relation to this effect.

3 squares give 1/8 of the rectangle

x squares give 1/1 of the rectangle

cross multiplying, we have

x = 3 ÷(1/8) = 24

Therefore, there are 24 squares in the entire rectangle

find two numbers that multiply to -72 and add up to -1​

Answers

Answer:

-8 and 9

Step-by-step explanation:

-8 x 9  = -72

and  -8 + 9 = 1

HELP!! Im Working on homework and not sure how to do this and its due tomorrow can anyone help me!! Btw it’s geometry

Answers

Answer:

the attachment is not  viewable

➢ How many centimeters is one kilometer _________

Answers

Answer:

1 kilometer is equal to 1000 meters and 1 meter is equal to 100 centimeters. So, there are 1,00,000 centimeters in a kilometer.

Step-by-step explanation:

Answer:

There are 100,000 centimeters in a kilometer, which is why we use this value in the formula above.

Step-by-step explanation:

f(n) = -5n

what is n?

Answers

6n because 5n +n =6 its probably wrong so hope its right??????

Hello, can you please help me solve for the y intercept?​

Answers

Answer:

The y-intercept is when the X is 0 And the y is whatever number it is. So in order to do that we need to find the pattern first and to do that we need to find the slope.

The slope here is 2/ 2 or 1.

So you add 1 to each side to find the next ordered pairs.

-5, -7

-4, -6

-3, -5

-2, -4

-1, -3

0, -2

So the y-intercept is -2.

Claire had 4 1/6 feet of string. She used some string to hang out decorations. Now she has 1 5/6 feet of string left. How much string did claire use? Draw a model and solve.

Answers

Answer:

Length of string used by Claire = 7 / 3 feet

Step-by-step explanation:

Given:

Length of string Claire in starts = [tex]4\frac{1}{6}[/tex] feet

Length of string Claire in end = [tex]1\frac{5}{6}[/tex] feet

Find:

Length of string used by Claire

Computation:

Length of string Claire in starts = [tex]4\frac{1}{6}[/tex] feet = 25 / 6 feet

Length of string Claire in end = [tex]1\frac{5}{6}[/tex] feet = 11 / 6 feet

Length of string used by Claire = Length of string Claire in starts - Length of string Claire in end

Length of string used by Claire = [25 / 6] - [11 / 6]

BY taking LCM

Length of string used by Claire = [25 - 11] / 6

Length of string used by Claire = 14 / 6

Length of string used by Claire = 7 / 3 feet

The are of a rectangular trampoline is 112ft. The length of the trampoline is 6ft greater than the width of the trampoline. This situation can be represented by the equation x^2+6x-112=0 what is the width of the trampoline in feet

Answers

Answer:

8cm

Step-by-step explanation:

let x = width

x^2+6x-112=0

we would solve this using the factorization method

the factors of -112x^2 that would add up to 6x are 14x  8x

x^2 - 8x + 14x - 112 = 0

factorise

x(x - 8) + 14(x - 8) = 0

x+ 14 = 0

x - 8 = 0

x = 8

the width is 8cm

x = -14

Which could be the value of the third side of a triangle with sides 3 and 4? A. 3 B. 7 C. 12 D. 20

Answers

Answer:

c

Step-by-step explanation:

what would be the most appropriate domain for the functions

Answers

Answer:

Plz subscribe my Gaming channel Sameer Duos

Step-by-step explanation:

The correct answer is whole number

The answer would be whole numbers

*EXTRA PTS* please answer #1 and #2

Answers

Answer:

(2,1) for number 1 and (3,-4) for number 2

Step-by-step explanation:

your welcome baby gurl (-‿◦)

Answer:

1, (2, 1)

2, (3, -4)

Step-by-step explanation:

Two number cubes with sides numbered 1-6 are rolled. What is the probability that the sum of the numbers on the cubes is 12?

Answers

Answer:

1/36

Step-by-step explanation:

Attached is a chart showing the 36 possible outcomes for rolling 2 number cubes.  The sum of the two cubes is 12 in only one of the outcomes (both sixes).  The probability is 1/36.

Abby's friend told her that he drew a quadrilateral with exactly one pair of parallel sides. Abby said it must be a trapezoid. Is she correct

Answers

Answer:

Yes, she is correct

Step-by-step explanation:

A trapezoid has exactly one pair of parallel lines and 4 sides

Find the area of the trapezoid

A. 168 in^2
B. 94.5 ft^2
C. 72 ft^2
D. 84 ft^2

Answers

Answer:

D. 84 ft^2

Step-by-step explanation:

Formula for area of a trapezoid:

[tex]A=\frac{a+b}{2} h[/tex]

where a and b = bases and h = height

The trapezoid shown has the following dimensions

base 1 = 9ft

base 2 = 12ft

height = 8ft

Using the following information we plug in the values into the formula

[tex]A=\frac{9+12}{2} \\9+12=21\\\frac{21}{2} =10.5\\10.5*8=84[/tex]

Hence, the area of the trapezoid is 84ft² and your answer is D

6/4.2 = n/7
What is the value of n
Giving a brainliest
Also dont do one of those link answers or I will report you

Answers

Step-by-step explanation:

Given

6/4.2 = n/7

Cross multiply

6* 7 = 4.2n

4.2n = 42

n = 42 / 4.2

n = 10

Hope it will help :)❤

Hopes this helps:

Answer: n= 10

I use this app called Cymath

To calculate the area of a triangle, you find the product of the base and height and then divide by 2.

Answers

Ok thanks for the answer

Answer:

Yes

Step-by-step explanation:

EASY 15 POINTS!

what is the area?

shape below

358 in^2
94 in^2
168 in^2
242 in^2

Answers

Answer:

Area of rectangle= 24 × 7 = 168

Area of trapezium = ((a+b)/2)h = 74

Total area = 168 + 74 = 242

Answer:

242in^2

Step-by-step explanation:

Area of parallelogram is

1/2(a+b)×h

a=13in

b=24in

h=4in

= 1/2(13+24)×4

=1/2(37)×4

so the area of the parallelogram is

=74in^2

Area of rectangle is

L×B

L=24in

B=7in

=24×7

=168in^2

so the area will be the sum of the area of parallelogram and rectangle

=74in^2+ 168in^2

=242in^2

Carla wants the total weight of the bags to be four pounds. If she can only pick one more bag, which bag weight should she pick? pound

Answers

Answer:

1/8

Step-by-step explanation:

To find which bag weight Carla needs, the first step is to find the total weight of the bags shown in the line plot.

There are three -pound bags.

There are six -pound bags.

There are four -pound bags.

Multiply the weight and number of each bag to find the total weight of each different weight bag.

Now, add the three totals.

Finally, subtract the total weight from four pounds in order to find which weight Carla needs.

So, Carla should pick one -pound bag of candy to total four pounds.

ASAP (WILL MARK BRAINIEST)
A large emerald with a mass of 812.04 grams was recently discovered in a mine. If the density of the
grams
emerald is 2.76 cm3 what is the volume? Round to the nearest hundredth when necessary and only
enter numerical values, which can include a decimal point. (6 points)

Answers

294.22cm3 hope this helps!!

If the measure of two angles in a triangle are 60 and 100 degrees, what is the measure of the third angle? a. 20 degrees) b. 50 degrees) c. 30 degrees) d. 180 degrees)

Answers

Answer:

A. 20 degrees

Step-by-step explanation:

All triangles have 180 degrees in total !

using that info,

100+60= 160

180-160 = 20

Un parallélépipède rectangle posé sur une de ses faces carrées a un volume de 252cm cube, il a une hauteur de 7. Quelle est la longueur du coté de la base carré

Answers

Répondre:

6 cm

Explication étape par étape:

Volume du parallélépipède rectangle V = l²h

l est la longueur du carré basé

h est la hauteur

Étant donné

V = 252 cm³

h = 7 cm

Remplacer

252 = l² (7)

252 = 7l²

l² = 252/7

l² = 36

l = √36

l = 6 cm

D'où la longueur du côté de la base carrée est de 6 cm

what is the area of this trapezoid

h=4 b2=5 b1 equal 10

Answers

Answer:

5+10=15

15×4÷2

60÷2

=30

in the figure below,

Answers

C. 38

Since they’re complementary, the addition of the two angles should give you 90.
Therefore, JKM + 52 = 90
So JKM = 90 - 52 = 38

Find the measure of <1

Answers

Answer:

89 degrees

Step-by-step explanation:

Answer:

89

Step-by-step explanation:

180 - 91 = 89

Use the equation, 16^2x=32^(x+3), to complete the following problems.
Rewrite the equation using the same base.
Solve for x. Write your answer in simplest form

Answers

Answer:

x = 5

Step-by-step explanation:

2⁴(2x) = 2⁵(x + 3)

2^8× = 2^5x + 15

cancel out the 2

8x = 5x + 15

8x - 5x = 15

3x = 15

divide through by 3

x = 5

Casho has a bag that contains pineapple chews, lemon chews, and lime chews. She performs an experiment. Casho randomly removes a chew from the bag, records the result, and returns the chew to the bag. Casho performs the experiment 54 times. The results are shown below:
A pineapple chew was selected 9 times.
A lemon chew was selected 15 times.
A lime chew was selected 30 times.

Based on these results, express the probability that the next chew Casho removes from the bag will be pineapple chew as a percent to the nearest whole number.

Answers

Answer:

17% the next chew Casho pulls out is pineapple

Step-by-step explanation:

pineapple chew 9/54

lemon chew 15/54

lime chew 30/54

9/54 = 0.1666666... make this a percent and you get 17% of the time Casho will pull out a pineapple chew.

Answer:

...................................................................

Step-by-step explanation:

Find the area of the given figure. Show your work!

Answers

The area of the figure above is 53
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