what is

x²−23=52−2x²
and
x²+7=6x

answer asap pls

Answers

Answer 1
3x^2 = 75
x^2 = 25
x = 5

use quadratic formula for second one

Related Questions

You deposite $1500 in an account that pays 7% annual interest compounded daily. Find the balance after 4 years

Answers

$1920

Step-by-step explanation:

princiiple (p) = $1500rate (r) = 7%time (t) = 4 yearsinterest = (p × r × t) ÷ 100 = (1500 × 7 × 4) ÷ 100 = 42000 ÷ 100 = $420

amount after 4 years = principle + interest = $1500 + $420 = $1920

MARK ME BRAINLIST

need help asap please help

Answers

X is 28 degrees, have a womderful day

There's an attachment. This is due in TWO minutes! I will award brainliest. Please answer soon!

Answers

Answer:

ultiply by 2 and then add 2

Step-by-step explanation:

....hi

please help...
thanks due in some hours

Answers

Answer:

1. x=4 y=4√3

2. x=48 y=24√3

4. x=7/√3 y= 14/√3

5. x=27√3 y = 54

Step-by-step explanation:

Please Help!!! (i'll give the best answer brainliest)

Answers

False that what it is your welcome
Pretty sure it’s false but not 100% about it

PLEASE HELP I NEED MORE PLEASE WORTH 1O POINTS

Answers

hope it's helpful ❤❤❤❤❤

THANK YOU.

Answer:

6. is b

Step-by-step explanation:

What is the slope of a line parallel to line A?

A. -4/7
B. -7/4
C. 4/7
D. 7/4

Answers

C. 4/7

Parallel lines have the same slope, so u must find the slope of line a
To find the slope you take two points and use the formula (y2-y1)/x2-x1
The two points given are (-7,0) and (0,4)
To figure it out fill in the formula with the points
Slope= 4-0/0-(-7)
=4/7

Answer:

The answer is C.4/7

Step-by-step explanation:

First of all, parallel lines have the same gradient (slope), so if you find the slope for line A this will be the same slope as the line parallel to it (line A).

Step 1: find any two points from line A.

point 1: (0,4)    Where, [tex]x_{1} =0[/tex]    and    [tex]y_{1}=4[/tex]

point2: (-7,0)    Where, [tex]x_{2} =-7[/tex]    and    [tex]y_{2} =0[/tex]

Step2: write the formula of the slope:

[tex]m=\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]

Step3: substitute the numbers in the formula:

[tex]m=\frac{0-4}{-7-0}[/tex]

Step4: simplify the formula to get the answer to the slope:

[tex]m=\frac{-4}{-7}[/tex]

[tex]=\frac{4}{7}[/tex]

So the answer is:

C. 4/7

(note: this is the slope of line A and any line parallel to line A)

PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!!! <3

Answers

Answer: The numbers go from left to right on the table in this order: 0, 3, 4, 3, 0, -5.

To do the problem, you put the x - value in place of where the x is in the equation above (y = 4 - x^2) and then you put what y equals in the box after you finish.

Good luck, hope this helped!!

A number divided by —4 is —13. pls help<3

Answers

52 /(-4)= -13 so the answer is 52

Answer:

[tex]\frac{n}{-4} =-13: n = 52[/tex]

Step-by-step explanation:

[tex]\frac{n}{-4} =-13: n = 52[/tex]

An easy way to find out is by plugging the variable with a constant such as 2

Write down the Inequality for x that is shown in this line.

Answers

Answer:

[tex]x>3[/tex]

Step-by-step explanation:

Using the line shown here, we can see that the variable x can takes values greater than 3.

The white circle means that the x can not take this value.

Then, x could be 4, 5, 6, ... and so on.

Putting this information into an inequality form we will have:

[tex]x>3[/tex]

or in interval terms, all the values of x ∈ (3, infinity).

I hope it helps you!

Answer:

Step-by-step explanation:

I dont know

Andy is buying a car
he negotiated a 7% decrease on a £6 500 car
he will pay the full balance in 12 equal month payments
calculate the amount paid each month

Answers

Answer:

£503.75 per month

Step-by-step explanation:

7% decrease on a £6,500 car

= 7% of 6,500

= 7/100 * 6,500

= 0.07 * 6500

= £455

Amount of the car = £6,500 - £455

= £6,045

he will pay the full balance in 12 equal month payments

Amount paid each month = £6,045/12 months

= £503.75 per month

Answer:

7% decrease on a £6,500 car

= 7% of 6,500

= 7/100 * 6,500

= 0.07 * 6500

= £455

Amount of the car = £6,500 - £455

= £6,045

he will pay the full balance in 12 equal month payments

Amount paid each month = £6,045/12 months

= £503.75 per month

Step-by-step explanation:

Only hash channel catfish typically was about 0.06 g during the first six weeks of life at weight increase about 10% each day right a exponential model for the weight how much will the catfish gain weight after six weeks

Answers

Answer:

3.225 gram

Step-by-step explanation:

Given that :

Initial weight = 0.06g

Rate of increase, r = 10% = 0.1 per day

Weight gain after 6 weeks

For an exponential model. f(x)

f(x) = a(1 + r)^x

Where ; a = initial amount ; r = growth rate ; x = period

Our model becomes :

f(x) : 0.06(1 + 0.1)^x

f(x) = 0.06(1.1)^x

Number of days in 6 weeks = 6*7 = 42 = x

f(42) : 0.06(1.1)^42

= 3.285 gram

Hence, weight gain after 6 weeks :

(3.285 - 0.06) g = 3.225 gram

How many 1/4’s are in 2/3?

Answers

Answer:

We'll leave 2/3 as it is and reciprocate 1/4 into 4/1. 2/3 × 4/1 = 8/3 which becomes 2.66. So 1/4 will go into 2/3 2.66 times.

Step-by-step explanation:

Answer:

1/4 is in 2/3 2 2/3 times

Step-by-step explanation:

i need help please asap

Answers

Answer:

1

Step-by-step explanation:

If this answer helped you then please mark it as brainliest so I can get to the next rank

1
It is 1
Ok thank you

Jesse is filling spherical balloons. When full, one of these balloons has a diameter of 24. Jesse can fill a balloon at a rate of 820cm^3 per breath. how many breaths would it take her to fill a balloon

Answers

Answer:

it's 8.8 had to do the exact problem on khan acedemy

Step-by-step explanation:

answer is 8.8 breaths

Write as an algebraic expression.
1. the sum of m and 8



Answers

Answer: m+8 =

Step-by-step explanation:

what is the nearest degree ?

Answers

Answer:

maybe 65 degrees

sorry if its wrong

Answer:

45 degrees

Step-by-step explanation:

All three angles equal 180

Its a right triangle, C=90

Two angle, 90 degrees left, and they're equivalent so divide by 2

B=45, A=45

Help plz i tried 4 and it was wrong

Answers

Answer:

2 roots this parabola have because it line passes at x - axis.

Which set of ordered pairs represents a function?
{(-8, 1), (5. –7),(-6,9), (-6, -9)}
o{(-2,-3), (2, 1), (2,6), (4,9)}
o{(8,4), (6,4), (9,1),(7-6)}
o{(-4,5),(0,0), (2, -8), (2,0)}

Answers

Answer:

o{(8,4), (6,4), (9,1),(7-6)}

Step-by-step explanation:

Every x value can only have one y value

Kyle completed 24 sit-ups which is 30% of his daily goal what is Kyle's daily sit-up goal?​

Answers

Answer:

80

Step-by-step explanation:

Pick out the solution from the values given in the bracket next to each equation. Show that the other values do not satisfy the equation. a. X + 12 = 20 ( 12,8,20,0) b. P - 4 = 0 (4,-4,8,0) c. 2y - 3 = 7 (0,3,5,7) Plz explain ;)

Answers

Answer:

(a) 8

(b) 4

(c)5

Step-by-step explanation:

We are given multiple parts and we  need to provide the correct answer among the given options, also we need to prove that rest of the answers are wrong.

(a). X + 12 = 20 ( 12,8,20,0)

X= 20 -12

X= 8, so only 8 is the correct answer and rest are wrong.

Proof: lets take other given options into consideration

X= 12

X+12 =12+ 24 which is wrong because X+12 is already given as 20.

similarly,

X=20

X+12 = 20+12 = 36, which is wrong because X+12 is already given as 20.

X= 0

X+12 = 0+12 = 12, which is wrong because X+12 is already given as 20.  

(b). P - 4 = 0 (4,-4,8,0)

P-4 = 0

P= 4, So only 4 will give the correct answer and not the other options.

P= -4 = -4 -4 = -8, which is wrong because P-4 is is already given as 0.

similarly,

P = 8  = 8-4 = 4, which is wrong because P-4 is is already given as 0.

P = 0, 0-4 = -4 , which is wrong because P-4 is is already given as 0.  

(c). 2y - 3 = 7 (0,3,5,7)

       2y = 7 + 3

       2y = 10

          y = 5, only 5 will satisfy this given equation and rest will be wrong,

y = 0

2y-3 = 7

2(0) -  3 = 7

-3 = 7 which is not correct as LHS and RHS must be same.

similarly,

y = 3

2y-3=7

2(3) - 3 =7

6-3 = 7

3=7 which is again wrong.

y = 7

2(7) -3 =7

14-3 = 7

11=7, which is wrong.

Therefore the given options for the correct answers is verified and the wrong answers are given as the proof.

What is a reasonable height for a 5-story building?
16 mm
16 km
16 cm
16 m

Answers

Answer:

16 km !

Step-by-step explanation:

all the others are FAR too small.. they wouldnt even be one story up ! and 16m  isnt 5 stories either... km would be right !

i hope this helps !!

10 Points Please Help


What is the solution of this equation?

-3z = 24

Answers

Answer:

-8

Step-by-step explanation:

bc a negative time a negative give u a positive

-3x-8=24

I NEED HELP EMERGENCY!!

Answers

Oh okie oh gosh lol lol oh okie so

Please help with number 1 and 4 asap!

Answers

Answer:

Total surface area

1) 46cm²

4) 304cm²

Step-by-step explanation:

1) First you need to work out each face on its own, opposites will be the same such as the front and back, top and bottom, side to side, because its a rectangle.

Formula : Base x height

Front/back : 5x3=15 and 15 =30 (added together)

top/bottom : 1x5= 5 and 5 = 10

side/side : 3x1= 3 and 3 = 6

30+10+6=46cm²

4) lets work out the easy ones first using the same formula from question 1 for one surface area but this is a trapezium, which is a irregular quadratical shape so the sides would most liky be different from each other except the front and back.

Top : 5x8=40

bottom : 3x10=30

right side : 12x8=96

Left side : 12x10=120

front/back= 12x3=36 / 2 = 18

Because if u added another side to make it a rectangle then divide by 2 would get the answer or 1/2 x base x height also works.

40+30+96+120+18=304cm²

Two triangular pyramids have slant heights of 8 inches and 11 inches. What is the ratio of the surface area of the small pyramid to the surface area of the large pyramid?
Group of answer choices

Answers

Answer:8:11

Step-by-step explanation:if it’s a ratio it would be 8 to 11 but for the to it would be a ratio operation and equals :

Um determinado clube de futebol tem 2/3 dos pontos do líder da competição. Sabendo que o primeiro colocado tem 36 pontos, quantos pontos este clube está do líder?

12 pontos
24 pontos
36 pontos
6 pontos​

Answers

2/3 x 36 = 72/3 = 24

24 pontos

Which graph represents y = –4x + 4? HURRY PLEASE HELP!!

Answers

y=-4x+4
-4 is the gradient
So it goes downwards
+4 is the y intercept so where it crosses the y axis
Bottom right one

can someone please help with this? will give brainliest

Answers

Answer:

0.004

Step-by-step explanation:

Just mutiply and divide by 2

6/13 as a decimal rounded to the nearest thousandth

Answers

Answer:

the answer will be  0.462

Step-by-step explanation:

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