Help its a Math problem !! i am confused

Help Its A Math Problem !! I Am Confused

Answers

Answer 1

Answer: D

Step-by-step explanation:

If you look at the quadratic formula, we see that b=5, a=5, and c=3.

So ax^2 + bx + c = 0 -> 5x^2 + 5x + 3 = 0


Related Questions

Please help! I would appreciate it!
-10x-1=-51
PLEASE show your steps!

Answers

Answer:

x = 5

Step-by-step explanation:

-10x - 1 = -51

add 1 to each side

-10x = -50

divide each side by -10

x = 5

A cupcake stand has 64 cupcakes the available flavors are lemon carrot and caramel if five eights of them are caramel and lemon how many carrot cupcakes are there pls help

Answers

Answer:

24

Step-by-step explanation:

64 * (5/8) = 40 lemon and caramel

64- 40 = 24 carrot cupcakes

PLEASE HELP ME: the ratio of cars to trucks on a highway at any given time is 12 to 8. If there are always more than 105 cars on the highway, what is the minimum number of cars that can be on the highway?

Answers

Answer:

70

Step-by-step explanation:

First, set up the ratio of c:t, which is 12:8. Then set up your new ratio of c:t, which is 105:?. The way I find the easiest is to divide 105 by 12, which is 8.75, then multiply that by 8, which is 70. To check if it's right, just divide 12 by 8, and 105 by 70, and if they're the same number, you've got it right.

Ps. I'm guessing you meant to ask the minimum number of trucks, not cars.

what is the measure of ∠C?

Answers

Answer:

Measure C, the Sacramento Community Stabilization and Fair Rent Charter Amendment is on the November ballot for the city of Sacramento after a lengthy court battle. The measure is written to supersede the Sacramento Tenant Protection Act, which was passed in 2019. Here are the results for Measure C as they come in:

Step-by-step explanation:

a bicycle shop is offering a 15% discount on a bike that has an original price of 275. there is an additional 5% discount off the sale price. what is the final price of the bike, including both discounts?

Answers

Step-by-step explanation:

• the original price= 275,

275 → 100 %

i) find the price with the 15 % discount

100% - 15% = 85 %

if, 275 → 100 %

100 % → 275

1% → 275 / 100

85 % → (275/100) * 85

= 233. 75

ii) find the add. 5% of the :

sale price = 233. 75

add. discount = 5%

= 5/ 100 * 233.75

= 11.6875

iii) subract the 5% discount from the sale price.

final price = 233. 75 - 11.6875

= 222. 0625

hope this helps you!

-s.

HELP ME PLZZ what is the y intercept in the equation y= 4x-3

Answers

Answer:

-3

Step-by-step explanation:

4x is the slope and the + or - always is the y intercept. also this would be a linear equation :)

Need help with trigonometry, due in two days

Will mark as brainliest if helpful

Answers

[tex]\boxed{\sf tan\theta=\dfrac{Perpendicular}{Base}}[/tex]

Perpendicular=27.8ftBase=19.6ft

Now

[tex]\\ \tt\hookrightarrow tanx=\dfrac{27.8}{19.6}[/tex]

[tex]\\ \tt\hookrightarrow tanx=\dfrac{13.9}{9.8}[/tex]

[tex]\\ \tt\hookrightarrow tanx=1.418[/tex]

[tex]\\ \tt\hookrightarrow \underline{\boxed{\bf tanx=1.42}}[/tex]

Value of x

[tex]\\ \tt\hookrightarrow x=tan^{-1}(1.42)[/tex]

[tex]\\ \tt\hookrightarrow x=54.8°[/tex]

Hope It helps

Find the distance of A(p,a) B(a,-p). Pls answer ASAP!!!​

Answers

Answer:The solution is in the file below

Step-by-step explanation:

Need help with this question ASAP!
What is the length of CE?

Answers

Answer:

its 8

Step-by-step explanation:

The length of CR is 8

Graph: y – 3 = } (x + 2)

Answers

Answer:x2 355b.  Hhgguyuy

Step-by-step explanation:

Graph the first six terms of a sequence where aj = 4 and r = 2.

Answers

Answer:

trangle?

Step-by-step explanation:

The answer is in the image

Find the distance between the two points
(4, 2) and (8,8)

Answers

Answer:

Exact Form:

2[tex]\sqrt[/tex]13

Decimal Form:

7.21

-----------------

Have a great day! :D

To celebrate the first day of school, Emma brought in a tray of caramel brownies and walnut brownies. The tray had a total of 30 brownies, of which 90% were caramel. How many caramel brownies did Emma bring?

Answers

Answer:

90/100×30=27

27 caramel brownies

a man brought 10 bags for Rs 5000. He sold 7 bags at Rs 550 wash and remaining at the rate of cost price.Find his profit percent​

Answers

Answer:

7%

Explanation:

cost of 10 bag is rs 5000.

then cost of one bag is 500.

he sold 7 bag for rs550 each then total =550×7

= 3850

again, he sold rest 3bag at cost price =500 ×3

=1500

then ,. profit percentage; s.p- c.p/5000×100

350/5000×100

= 7%

please help me solve the problem ​

Answers

Answer:

x = 130°

y = 50°

Step-by-step explanation:

x = 130° (Exterior alternate angles)

x + y = 180° (Angles in linear pair)

y = 180° - x

y = 180°- 130°

y = 50°

The solution to the problem in the figure attached in the question is: x = 130°, y = 50°

What are alternate angles?

Alternate angles are angles that are formed in a situation whereby a line intersects two other lines, which lie on opposite sides of a transverse line and on contrasting proximate sides of the other lines.

From the given figure:

Angle x is an alternate angle to angle 130°.

Thus, x = 130°

Using the sum of angles on a straight line:

x + y = 180°

130° + y = 180°

y = 180° - 130°

y = 50°

Learn more about alternate angles here:

https://brainly.com/question/26167358

please help me im stuck all the info is in the screenshot

Answers

Answer:

ok so the sale ticket cost 54 so we want to find what the regurler one cost so lets just make a algreva equation

0.9x=54

divide by 0.9

54 divide by 0.9=60

so a regurer ticket cost 60

54=0.9r

Hope This Helps!!!

WILL GIVE BRAINLIEST FOR HELP




(5x3−2x2+3x−8)-(3x2−4x−1) and then the result of that minus 4x − x2 + 5

Answers

Answer:

-15x^5 + 26x^4 - 12x^3 + 35x^2 - 33x - 3

Step-by-step explanation:

(5x^3 - 2x^2 + 3x - 8) + (-3x^2 + 4x + 1)

do foil but with extra terms

-15x^5 + 20x^4 + 5x^3

+6x^4 - 8x^3 - 2x^2

-9x^3 + 12x^2 + 3x

+ 24x^2 - 32x - 8

combine like terms

(-15x^5 + 26x^4 - 12x^3 + 34x^2 - 29x - 8) - (4x - x^2 + 5) or -4x + x^2 - 5

-15x^5 + 26x^4 - 12x^3 + 35x^2 - 33x - 3

Answer:

[tex]x^3-4x^2+3x-12[/tex]

Step-by-step explanation:

[tex](5x^3-2x^2+3x-8)-(3x^2-4x-1)\\\implies 5x^3-2x^2+3x-8-3x^2+4x+1\\\implies 5x^3-5x^2+7x-7[/tex]

[tex](x^3-5x^2+7x-7)-(4x-x^2+5)\\\implies x^3-5x^2+7x-7-4x+x^2-5\\\implies x^3-4x^2+3x-12[/tex]

The initial cost to rent a bike is ​$5. Each hour the bike is rented costs ​$1.75. is going to rent a bike and can spend at most ​$10.25. Write and solve an inequality to find how long she can rent the bike.

Answers

Answer:

1.75h + 5 ≤ 10.25

number of hours she can rent is a maximum of 3

Step-by-step explanation:

h = hours bike is rented

1.75h + 5 ≤ 10.25

subtract 5 from each side:

1.75h ≤ 5.25

divide each side by 1.75:

h ≤ 3

Which statement is sufficient evidence that DEF is congruent to ABC?

Answers

A or B? leaning more towards A tho

Karen fills an aquarium to a depth of 25 meters in 4 minutes. What is the unit rate in minutes per meter? Write your answer in simplest form.
PLEASE HELLP NOW!!! no links plz

Answers

Answer: 0.16min/m

Step-by-step explanation:

The depth of the aquarium is 25 meters

Time is take for water to reach the bottom = 4 minutes per 25 meters

= 4/25 min/m

= 0.16 min/m

Jaime has $2. 60 in dimes and nickels. The number of dimes is 14 more than the number of nickels. How many of each coin does he have?.

Answers

Dime is one-tenth of a dollar, while nickle is one-twentieth part of a dollar. Jaime has got 22 dimes and 4 nickle coin in this case.

How to form mathematical expression from the given description?

You can represent the unknown amounts by the use of variables. Follow whatever the description is and convert it one by one mathematically. For example if it is asked to increase some item by 4 , then you can add 4 in that item to increase it by 4. If something is for example, doubled, then you can multiply that thing by 2 and so on methods can be used to convert description to mathematical expressions.

For the given case, since number of dimes is given in terms of number of nickels, so lets assume that:

Number of nickle Jaime got = [tex]x[/tex]Number of dime Jaime got = 14 more than the number of nickle = [tex]14 +x[/tex]

Since 1 nickle's cost = $0.05,

thus, x nickles' cost = [tex]x \times 0.05[/tex] (in dollars)

And as 1 dime's cost = $0.10,

thus, 14 + x dimes' cost = [tex]0.10 \times (14 + x)[/tex] (in dollars)

Total amount Jamie have = Amount by nickles + Amount by dimes

Total amount Jamie have = [tex]0.10(14+x) + 0.05x[/tex]  (in dollars) = $2.60 (as given in the problem)

Thus, we get:

[tex]0.10 (14+x) + 0.05x = 2.60\\1.4 + 0.10x + 0.05x = 2.60\\\\\text{Subtracting 1.4 from both the sides}\\\\0.15x = 1.2\\\text{Dividing both the sides by 0.15}\\\\\dfrac{0.15x}{0.15} = \dfrac{1.2}{0.15}\\\\x = 8\\[/tex]

Thus, Jamie got  x = 8 nickles.

And number of dimes he got = x + 14 = 8 + 14 = 22

Thus,  Jaime has got 22 dimes and 4 nickle coin in this case.

Learn more about forming equations here:

https://brainly.com/question/11938672

i will give 100 points

Answers

Answer:

y-intercept = (0, 8)

x-intercepts = (4, 0) and (-2, 0)

vertex = (1, 9)

5th point = (2, 8)

Step-by-step explanation:

As the coefficient of x² is negative, the curve will be "n" shaped.

y-intercept

crosses the y-axis when x = 0

substitute x = 0 into the function and solve for y:

[tex]\implies y=-(0)^2+(2 \times 0)+8=8[/tex]

Therefore, y-intercept = (0, 8)

x-intercept

crosses the x-axis when y = 0

set the function to zero and solve for x:

[tex]\implies -x^2+2x+8=0[/tex]

[tex]\implies x^2-2x-8=0[/tex]

[tex]\implies (x-4)(x+2)=0[/tex]

[tex]\implies x=4, x=-2[/tex]

Therefore, x-intercepts = (4, 0) and (-2, 0)

vertex

vertex form:  [tex]y=a(x-h)^2 +k[/tex],  where (h, k) is the vertex

expand vertex equation:  [tex]y=ax^2 -2ahx+ah^2 +k[/tex]

compare coefficients with original function: [tex]y=-x^2+2x+8[/tex]

[tex]\implies a=-1, h=1, k=9[/tex]

So vertex = (1, 9)

5th plot point

You can choose any value of x and input it into the equation for y, but for symmetry, I have chosen to find the other value of x (aside x = 0) when y = 8

[tex]\implies -x^2+2x+8=8[/tex]

[tex]\implies -x^2+2x=0[/tex]

[tex]\implies x^2-2x=0[/tex]

[tex]\implies x(x-2)=0[/tex]

[tex]\implies x=0, x=2[/tex]

5th point = (2, 8)

( PLEASE HURRY, WILL GIVE BRAINLIEST IF CORRECT )

LMNP is rotated 180° clockwise about the origin

What are the coordinates of M’?


o A. M’(4, -3)

o B. M’(3, -4)

o C. M’(-3, -4)

o D. M’(-4, 3)

Answers

Answer:

the answer is c, (-3,-4)

Step-by-step explanation:

the rule for a 180 degree rotation is: (x,y) ---> (-x,-y)

Hope this helps! :)

Craig has a resçe ta zguires 3 cups of mik if i cup = 8 ounces, nou mary ounces of mik does Craig need?
A
34 ounces
B
28 ounces
c
24 ounces
D
12 ounces
C2022

Answers

I don’t understand the language but 28 ounces b

Charlie bought a $670 computer, but his total was $720. What percent slales tax did he pay?

Answers

Answer:

  7%

Step-by-step explanation:

[tex]Formula: \frac{Value2-Value1}{Original.Amt(Value1)}*100[/tex]

[tex]\frac{720-670}{670} *100[/tex]

[tex]\frac{50}{670} *100[/tex]

[tex]7.46268656716[/tex] Round to nearest whole  7%

[RevyBreeze]

Answer:

7.463%

Step-by-step explanation:

$720 - $670 = $50

the sales tax price = $50

sale tax in percentage =

[tex] \frac{tax}{computer \: price} \times 100 =[/tex]

[tex] \frac{50}{670} \times 100 = 7.462[/tex]

What is the volume of the shape

Answers

Answer:

942m^2

Step-by-step explanation:

to find the answer you do pi * r^2 *h

pi is 3.14 r is 5 and h is 12= 3.14* 5^2 * 12

now you have 78.5*12

now you're left with your answer 942m^2

Kathy saves $1 on the first day, $2 on the second day, $3 on the third day and so
on, saving an extra $1 on each subsequent day. On which day will she have over
$100 in total?

Answers

Answer:

3 moths and 10 days

Step-by-step explanation:

on each day she gets 1$ that means

1 month = 30 days

e.g. 3 6 9   30 60 90

means 90 days if we add also 1 month it will be 120 days

so 90 +  10 = 100

thats why 3 months and 10 day :)

Value of expression a (a2 + a +1) + 5 for a = 0 is ___________

Answers

Answer:

5

Step-by-step explanation:

0(0×2 + 0 + 1) + 5

0(0+0+1)+5

0 + 0 + 0 +5

= 5

​Yesterday, Grace drove 35 1/2
miles. She used 1 1/4
gallons of gasoline. What is the unit rate for miles per​ gallon?

Answers

Answer:

35 1/2 Miles divied by 1 1/4=28.4 gallons

Step-by-step explanation:

Maggie is buying 2 shirts that cost $8. 50 each. There is a 6. 5% sales tax. What is the total Maggie will pay for the shirts? Enter your answer in the box.

Answers

The total cost of the two shirt Maggie will pay after including the sales tax is $18.105.

What is cost price per ounce?

The cost price per unit is the amount of money required to buy one unit of a brand or goods.

To find the cost price per unit, divide the total amount of cost of the goods to the total number of goods.

The cost of one shirt bought by the Maggie is $8. 50 each. Thus, the cost of the 2 shirts is,

[tex]C=2\times8.50\\C=17[/tex]

Thus, the total cost of the two shirts is $17.

Now, there is a 6. 5% sales tax on the selling price. Thus, the cost of the 2 shirts after the sales tax is,

[tex]C=17+17\dfrac{6.5}{100}\\C=17+1.105\\C=18.105[/tex]

Hence, the total cost of the two shirt Maggie will pay after including the sales tax is $18.105.

Learn more about the cost price per unit here;

https://brainly.com/question/18628158

Answer:

$18.11

Step-by-step explanation:

I took the test on k-12

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