Mathematics High School

Tbh I got no clue how to do this so help please

Answers

Answer 1

Answer:

I'm not entirely sure but I think you have to start by negative -1 and move back 4 spaces?

Step-by-step explanation:

the Red arrows is pointing towards the negative side of the number line

Related Questions

Rylan is calculating the standard deviation of a data set that has 9 values. He determines that the sum of the squared deviations is 316.
What is the standard deviation of the data set?
Round the answer to the nearest tenth.

Answers

The formula for the sum of the squares of the deviations is
SS = s² (N -1)

We are given
SS = 316
N = 9

Substituting
316 = s² (9 - 1)
Solving for s
s = 6.28

The standard deviation is 6.28

what is the radius of (x+5)^{2}+(y-4)^{2}=121?

Answers

Answer: 11

Step-by-step explanation:

Answer:

Step-by-step explanation:

The figure drawn is a circle. It's center is a (-5,4) just the opposite of what is in the brackets. I'm giving you this information just to be complete.

For a circle the radius is found using the lone number on the other side of the equal side -- in this case 121

The radius is the square root of that lone number.

radius^2 = 121

sqrt(radius^2) = sqrt(121)

radius = 11

One customer bought 2 t-shirts and 3 sweaters for $87. Another customer bought 1 t-shirt and 4 sweaters for $96. What is the price of 1 t-shirt and 1 sweater?

Answers

Answer:

Step-by-step explanation:

please give it to me I'm giving you enough but do it well
these simple equations

Answers

Answer:

em sorry

Step-by-step explanation:

What is the lateral area and surface area? If you amswer correctly i will mark it as brainliest

Answers

Answer:

Lateral area:

L = πdh = 3.14*12*10 = 376.8 in²

Total surface area:

S = L + 2*πd²/4S = 376.8 + 3.14*12²/2 = 602.9 in² (rounded)

Simplify the expression.
7x2 + 3 - 5(x^2- 4)

Answers

Answer:

2x² + 23

Step-by-step explanation:

Distribute the -5 and combine like terms.

7x² + 3 - 5(x² - 4) =

= 7x² + 3 - 5x² + 20

= 2x² + 23

Please!!!!!!!
Can someone please help me with this question.
I will mark the first person brainliest if they answer with an actual answer not a link.

Answers

Answer:

It's 5,-5 because you always put the x axis numbers first.

Step-by-step explanation:

I’ll not sure but I think it’s 3/-8

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HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP

Answers

Answer:

D. Causation implies correlation

Answer:

B. is the answer

Step-by-step explanation:

PLEASE HELP!!!
I will mark you as brainleist.
!!!!!

Answers

Answer:

7.722cm^2, x=129

Step-by-step explanation:

12*12=144- area of the whole square

the diameter for the circle is 12

radius is 6

Area for circle= pi* r²

3.142*6^2=113.112

144-113.112=30.888

30.888/4=7.722

The length of your family's garden is 3 feet greater than the width. The area of the garden is 460 square feet. What are the dimensions of the garden?

Answers

Given:

The length of your family's garden is 3 feet greater than the width.

The area of the garden is 460 square feet.

To find:

The dimensions of the garden.

Solution:

Let x feet be the width of the garden. Then,

Length = [tex]x+3[/tex] feet

The area of a rectangle is:

[tex]A=l\times w[/tex]

Where, l is the length and w is the width of the rectangle.

The area of the rectangular garden is:

[tex]A=(x+3)\times x[/tex]

[tex]A=x^2+3x[/tex]

It is given that the area of the garden is 460 square feet.

Putting [tex]A=460[/tex], we get

[tex]460=x^2+3x[/tex]

[tex]0=x^2+3x-460[/tex]

Splitting the middle term, we get

[tex]x^2+23x-20x-460=0[/tex]

[tex]x(x+23)-20(x+23)=0[/tex]

[tex](x+23)(x-20)=0[/tex]

[tex]x=-23,20[/tex]

The width of a garden cannot be negative. So, [tex]x=20[/tex].

Now,

[tex]l=x+3[/tex]

[tex]l=20+3[/tex]

[tex]l=23[/tex]

Therefore, the length of the garden is 23 feet and the width of the garden is 20 feet.

Stan's Sweater Superstore has a 30% off sale. This week only, everything in the store is marked down an additional 10% off the sale price. If Charlie wants to buy a sweater regularly priced at $50, how much would he pay? *Show your work* 8 points Your answer

Answers

Answer:

$30

Step-by-step explanation:

30 % + 10 % = 40 %

40 % of $50 = $20

%50 - $20 = $30

Find the perimeter show all work

Answers

Answer:

38 cm

Step-by-step explanation:

The perimeter is the sum of the sides

Starting from the left and going clockwise, then

9 + (10 - 6) + (9 - 2) + 6 + 2 + 10

= 9 + 4 + 7 + 6 + 2 + 10

= 38

Answer: 35 cm

Step-by-step explanation: to find the perimeter you add all the sides but sense there is on side that doesn't have a number you subtract 2 from nine then add all the sides plus 7.

Write an expression for 213 increased by d.

Answers

Write an expression for 213 increased by d: [tex]213+d=x[/tex]

a can contains 15/16pounds of vegetable. one serving of these vegetable weights1/4pound.what is the total number of servings of vegetables in the can

Answers

Answer:

The total number of servings of vegetables will be [tex]3\frac{3}{4}[/tex]

Step-by-step explanation:

hope it helps...

have a great day!!

PLEASE HELP!
If triangle MNO and triangle PQR are similar, which of the following must be true?

Answers

Answer:

C and D

Step-by-step explanation:

Want explanation? Comment

Answer:

Step-by-step explanation:

It looks like triangle MNO and PQR are similar because PQR is a smaller version of MNO reversed. If this is true, MN is equal to PQ, OM is equal to RP, and ON is equal to RQ. Therefore, the answer should be D.

I really hope this helps!!

(416-645)x(4965^3)+50222+

Answers

Answer:

It's

−28028073006403

Hope it helps!

Answer: − 2 8 0 2 8 0 7 3 0 0 6 4 0 3

Step-by-step explanation: i assume ur last + was supposed to be = ?

PLEASE HELP!!! WILL GIVE BRAINLIEST

Answers

Given:

Angle 1 = 90 (An)

Angle 2= 45 (An)

Angle 3 = 36 (An)

Angle 4 = 50 (An)

Angle 5 = 20 (An)

1. Find the area of the shaded region.
22cm

Answers

Step-by-step explanation:

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How much of a radioactive kind of lanthanum will be left after 120 hours if you start with 160
grams and the half-life is 40 hours?

Answers

Answer:

20 grams should be correct

Step-by-step explanation:

A person invested $2,500 in an account growing at a rate allowing the money to
doubleevery 11 years. How long, to the nearest tenth of a year would it take for the
value of the account to reach $3,800?

Answers

Answer:

Step-by-step explanation:

A person invested $2,500 in an account growing at a rate allowing the money to double every 11 years. How long, to the nearest tenth of a year would it take for the

value of the account to reach $3,800?

The formula for exponential growth given as:

A(t) = Ao (1/2)^t/t½

A(t) = Amount after time t = $3,800

Ao = Initial amount invested = $2500

t = Time in years

t½ = Time it takes to double = 11 years

Hence,

3800 = 2500(1/2)^t/11

Divide both sides by 2500

3800/2500 = 2500(1/2)^t/11/2500

If x² = 12x – 7 is solved by completing the square,
one of the steps in the process is
1) (x-6)=-43
2) (x+62 = -43
3) (x-6)2 = 29
4) (x + 6 = 29

Answers

Answer: i believe the answer is 4).

Step-by-step explanation:

Because x= + [tex]\sqrt{ 29[/tex] + 6

Which answer choice?

Answers

Answer:

B or C,i think. I'm not sure though

help me out? thank you so much whoever does :)))

Answers

Answer:

Step-by-step explanation:

both of the angles are on a straight line. Therefore, together they add up to 180°. So 180°-87°=93°

During Christmas sale, a local store in Virginia has marked all items 20% off. George Walker bought a microwave that normally sells for $100 and a refrigerator that usually goes for $250. Calculate the total sale price.

Answers

Answer:

it looks like the answer to this problem is $280.

Step-by-step explanation:

i got this answer because you add $100 and $250 together. You will get $350. Then you take 20% of that total. So, 20% of 350 is 70. Now take 350-70, which = 280. and that should be your final answer.

The sum of Derek and Quency's ages is 19 years. If the difference
of their ages is 5 years what are their ages?

Answers

12 and 7
hope this helped

Melissa's birthday is
next week and she has been receiving
receiving cards in the mail with different amounts of money. She has received 5 cards with
the following amounts: $10, $20, $ 25, $30, $40. If Melissa receives one more card in the mail with
$25, which of the following will happen?

Answers

Answer: a

Step-by-step explanation:

Answer:

Step-by-step explanation:

Brainliest Which is a true statement about the solutions of the equation x/x-2 = x-3/2x

Answers

I don’t see the statements.

Amanda, Joe, and Ravi have a total of $129 in their wallets. joe has $9 less than Amanda. Ravi has 4 times what Amanda has. How much does each have?

Answers

465 ofc I don’t know if that’s correct Bc like I haven’t done this in a minute soo

Sabina had Rs. 50,000. She deposited some amount of it in Sanima Bank
5% p.a. and rest in Agriculture Development bank at 4% p.a. After 3 years
she withdrew her money which amounted to Rs 57080. Find the interes
separately she got from each bank.

Answers

Thanks for points broski

Which is the number name for 32.611? thirty-two and ciy bundrom

Answers

Answer:

Winnipeg.

Step-by-step explanation:

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