(x2 - 4x + 3) + (3x2 – 3x - 5)
2.
(2m – 3+ 7m2) – (3 – 9m2 – 2m)
3.
(3a? – a + 3) + (4a2 – 5)
4.
(2x2 + 3y2 – 22) - (x2 - y2 - z2) + (4x2 – 3y2)
5.
Find the sum of (2x2 - 6x – 2) and (x2 + 4x).
( there are 5 different questions btw)

Answers

Answer 1

Answer:

 (x - 2) • (4x + 1)

Step-by-step explanation:


Related Questions

Find the value of m. Quarts 0 1 2 e G 0 Gallons =0​

Answers

if 2 quarts=1/2 galleon on the graph.

Then half of 2 quarts will be half of 1/2 galleons.

Therefore 1 quart=1/4 galleons.

Hope it helps!

The answer is 1 because it’s between 0and 1

2. Find the area of a circle with a radius of 5 meters. A circle with a radius of 5 meters has an area of

Answers

Answer:

A=πr2=π·52≈78.53982m²

Step-by-step explanation:

Answer:

78.57 m^2

Step-by-step explanation:

answer is 78.57

Help me out on this pleaseeeeeeeeeee

Answers

Answer:

(2,32)

(3,48)

Step-by-step explanation:

2×16=32

3×16=48

Oh, that should be easy ! A) 2 x 16=32 3 x 16= 48. U can also divide!

someone pls answer this

Answers

Answer:

Step-by-step explanation:

2 and 1/8 + 1 and 3/4

Answers

3.875 hope this is right

I need some help with problem 9

Answers

Answer:

it's really hard to see the numbers.. but I can explain how to do it. the 5 is on the x axis and the 0 is on the y axis. if you from 0 to 5 on the x axis and the line crosses through that point then it is true.

find the area of the shape

Answers

Answer:

1296 sorry if im wrong

Step-by-step explanation:

:):):):):):):):):):):):):):):):):):):):):):):)

5x^2-9x-2=0
Will mark brainliest!

Answers

Answer:

x = 2 and x = -1/5

Step-by-step explanation:

Factors into (x-2)(5x+1) = 0 and you have your two values for x.

Or solve by quadratic formula [tex]x = \frac{-(-9) \pm \sqrt{9^{2} - 4(5)(-2)} }{2\cdot5} \\x = \frac{9 \pm 11}{10}.\\[/tex]

Two values, [tex]x = \frac{20}{10} = 2\\x = \frac{-2}{10} = -1/5[/tex]

How do you need this solved? Do I need to solve by factoring? using the Quadratic Formula?

I need help please?!!!

Answers

I think it’s b y=2 sorry if it’s wrong

Which of the following data sets is best described by a linear model

Answers

Answer:

sry i dont know

Step-by-step explanation:

lolz

For the function f(x)=-7x-5, evaluate f(6)

Answers

Answer:

f(x)=-7x-5

f(6)=-7(6)-5

f(6)=-42-5

f(6)=-47

What is the length of side BC 2x+7, 4x-7 4x

Answers

Answer:

64.6x

Step-by-step explanation:

Which number is not located in the correct set of numbers?
1
9
TT
25
160

Answers

Pi should be located under an irrational number

PLEASE HELPPPP 10 points for its!!!!!!!!!!

Answers

Answer:

area of the square = (SIDE)2

=( 4)^2

= 16 answer

The Yankees 90 of their 162 games last season. What percentage of their games did they win?

Answers

Answer:

If they won 90 out of 162, they won 55.(5)% of their games.

Step-by-step explanation:

I assume they WON 90 of the 162 games.

90/162 = 45/81 = 15/27 = 5/9

5/9 = 55.(5)%; (because 1/9 = 11.(1)%)

Answer:

55.56%

Step-by-step explanation:

1. Put into a fraction = 90/162

2. Simplify = 5/9

3. Calculate the fractions value by dividing the numerator by the denominator.

4. Multiply the answer by 100

5. Simplify

Hopefully this helps!

Suppose you deposit ​$2,000 in a savings account that pays interest at an annual rate of ​4%.

Answers

0.04 x $2000 = 80

Note: $80 is for one year
80$ for just one year

an examination class of 55% of pupil scored 70% , if 54 scored above 70%. how many scored above 70%.​

Answers

Answer:

You just said the answers. 54

Step-by-step explanation:

5

In a survey of a community, it was found that 55%
like summer season, 20% like winter season, 40%
don't like both seasons and 750 like both seasons. By
using Venn diagram, find the number of people who
like winter season.​

Answers

Answer:

The number of people who like winter season is 1000.

Step-by-step explanation:

Event event correspond to a set in the Venn diagram, and we use it to find the percentages.

I am going to say that:

Event A: Like summer season

Event B: Like winter season.

55% like summer season

This means that [tex]P(A) = 0.55[/tex]

20% like winter season

This means that [tex]P(B) = 0.2[/tex]

40% don't like both seasons

This means that 100% - 40% = 60% like at least one, which means that [tex]P(A \cup B) = 0.6[/tex]

Proportion who like both:

This is [tex]P(A \cap B)[/tex]. The measures are related by the following equation:

[tex]P(A \cup B) = P(A) + P(B) - P(A \cap B)[/tex]

[tex]P(A \cap B) = P(A) + P(B) - P(A \cup B)[/tex]

Using what we have

[tex]P(A \cap B) = 0.55 + 0.2 - 0.6 = 0.15[/tex]

750 like both seasons.

This is 15% of the sample. So the total number of people is t, for which:

[tex]0.15t = 750[/tex]

[tex]t = \frac{750}{0.15}[/tex]

[tex]t = 5000[/tex]

20% like winter season

Out of 5000. So

0.2*5000 = 1000

The number of people who like winter season is 1000.

Can you guys help me and answer this math question below please I really need help I'll mark brainliest to whoever answers! Please I’d really appreciate the help

Answers

Answer:

(1,-2)

Step-by-step explanation:

WE can see that the X value below is 1 and the Y value is -2

find the value of a and b if 1/5+√7= a+b√7​

Answers

Answer:

[tex]a=\dfrac{1}{5}[/tex] and b = 1

Step-by-step explanation:

Given that,

[tex]\dfrac{1}{5}+\sqrt7=a+b\sqrt7[/tex]

We need to find the value of a and b.

We should compare both sides of the above equation i.e.

[tex]a=\dfrac{1}{5}[/tex]

and

b = 1

Hence, the values of a and b are 1/5 and 1 respectively.

A rectangle has sides 10 and 8. Find the length of the Diagonal

Answers

Answer:

Step-by-step explanation:

Remark

The diagonal is found by using the Pythagorean Theorem: a^2 + b^2 = c^2. This only works for certain figures. The rectangle is one of them.

Givens

a = 10

b = 8

c = ?   This is the length of the diagonal.

Solution

a^2 + b^2 = c^2

10^2 + 8^  = c^2

100 + 64 = c^2

c^2 = 164

√c^2 = √164

c = 12.806

The ratio of the measure of the three angles in a triangle is 3:10:7. Find the measures of the angles

Group of answer choices

30, 90, 60

27, 90, 63

45, 45, 90

9, 30, 21

Answers

Answer:

sum of all angle= 180 given angle = 3 X, 10 X AND 7 X

3X + 10X + 7X = 180

20X = 180

X= 180/20

X = 9

X= 9 IS apply to given angle 3X, 10 X  , 7X

3X = 3 ×9=27

10X = 10 ×9 = 90

7X = 7 ×9 =63

ANS IS 27,90,63

Step-by-step explanation:

Which of the following are exterior angles? Check all that apply

Answers

Answer: D, C, A

Step-by-step explanation:

An exterior angle is an angle that is supplementary to an interior angle.

The angle between the extended side and its adjacent side is called the exterior angle so the option (D), (C), and (A) will be the correct answers.

What is the Exterior angle?

Exterior angles become by a side of that figure and its extended adjacent side.

The exterior angle has been attached.

Since in the graph angle, ∠3 become by two extended lines but for exterior angle, there should be only one extended line which is ∠6, ∠5, and ∠2.

Hence angles ∠6, ∠5, and ∠2 will be the exterior angles.

For more information about Exterior angle

https://brainly.com/question/10638383

#SPJ5

What mistake did she make?

Answers

Step-by-step explanation:

According to the pythagrean equation, it should be

[tex]AC^2 = AB^2 + BC^2\\[/tex]

8² = 6² + BC²

64 = 36 + BC²

BC² = 28

BC = ✓28 = 5.29

Look at this graph, what is the slope?

Answers

Answer:

3/2

Step-by-step explanation:

find 2 points and go up til you are even with it(3 in this case) this is your rise, then go over to the other point(2 in this case) this is your run, so the slope (rise/run) is 3/2

-Todo <3

I WILL GIVE U
THE BRAINLEST!!!!!
I WILL GIVE U THE BRAINLEST!!!!!
If a circle has a diameter of 3 cm, what is the circumference? Enter a numerical value
only. Round all answers to the nearest hundredth.

Answers

Answer:

C≈9.42cm

Step-by-step explanation:

This is the correct answer for your question

Answer:

3.71

Step-by-step explanation:

Please put down math for this!
What is 5% of 200?
put answer down bellow!

Answers

Answer:

10

Step-by-step explanation:

1. Find 5% of 200.

2. 5100×200.

3. =10.

4. so 5% of 200 will be 10.



The perimeter of the quadrilateral is 43 centimeters. Find the length of each side.

X+7

x² - 2x

X+3

2x-2

Side one = x + 3 =

cm

Answers

Step-by-step explanation:

A quadrilateral is made up of four sides. This means the sum of all the side equals 43. This is given as;

(x + 7)  + (x² - 2x ) + (x +3)  + (2x - 2) = 43

x² - 2x + 4x + 8 = 43

x²  - 2x - 35 = 0

Upon solving for x by factorization;

( x - 5) ( x + 7) = 0

The values of x are; 5 and - 7

Since the side of shape cannot have a negative value, -7 is ignored.

x = 5

The length of the sides are;

- X+7 = 5 + 7 = 12

- x² - 2x = 5² - 2(5) = 25 - 10 = 15

- X+3  = 5 + 3 = 8

2x-2 = 2(5) - 2 = 10 -2 = 8

Check:

8 + 8 + 15 + 12 = 43

There is a bag filled with 4 blue and 5 red marbles.
A marble is taken at random from the bag, the colour is noted and then it is replaced.
Another marble is taken at random.
What is the probability of getting exactly 1 blue?

Answers

Answer:

hvgf m g n HCF kvvfgfhhjfj

A caterpillar crawling in a straight line across a coordinate plane starts at point (-3, -4) and ends at point (25, 38). Counting the start point and end point, how many points with integer coordinates does the caterpillar touch?

Answers

Answer:

15 points

Step-by-step explanation:

The start and end point of the caterpillar path are;

Start point = (-3, -4)

End point = (25, 38)

The slope of the caterpillar's path, 'm', given the 'x', and y-coordinates of two points is given by the following formula;

[tex]Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]

Therefore, m = (38 - (-4))/(25 - (-3)) = 1.5

The equation of the caterpillar's path in point and slope form is given as follows;

y - (-4) = 1.5 × (x - (-3))

y + 4 = 1.5 × (x + 3)

y + 4 = 1.5·x + 4.5

y = 1.5·x + 4.5 - 4 = 1.5·x + 0.5

y = 1.5·x + 0.5

Given that the 0.5 is added to the product of 'x' and 1.5, the points that have both integer points for 'x', and 'y' are the points that have odd number values of 'x', as follows;

(-3, -4), (-1, -1), (1, 2), (3, 5), (5, 8), (7, 11), (9, 14), (11, 17), (13, 20), (15, 23), (17, 26), (19, 29), (21, 32), (23, 35), (25, 38)

Therefore, we have 15 points counting the start and end points with integer coordinates

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