Mathematics High School

PLZ HELP...IM GOING TO CRYYYY PLZ..I WILL MARK BRAINLIEST.

Answers

Answer 1

Answer:

x=10

y=30

Step-by-step explanation:

x=-2y+70

x=-2*3x+70

x=-6x+70

7x=70

x=10

y=3x

y=3*10

y=30

Related Questions

can yall do me a favor, i know this random but i got played by someone so can u spaam his ig, acc name is sturdyyyyy_ just spam his comments called him a cheater and tell him he weird. please. females help a person out.

Answers

Answer:

okkkkk

Step-by-step explanation:

A model airplane is shot up from a platform 1 foot above the ground with an initial upward velocity of 56 feet per second. The height of the airplane above ground after t seconds is given by the equation h=-16t^2+56t+1 where h is the height of the airplane in feet and t is the time in seconds after it is launched. Approximately how long does it take the airplane to reach its maximum height?
A)0.3 seconds
B)1.8 seconds
C)3.5 seconds
D)6.9 seconds

Answers

Answer: I think is none

Step-by-step explanation:

Tbh

2 Which of the following fractions are equivalent to 2/4?

Answers

Answer:

1/2=2/4

Step-by-step explanation:

In 42 minutes, Mr. Goo can run 6 miles. How long does it take him to run 1 mile?

Answers

Answer:

7 min

Step-by-step explanation:

Answer:

7 Minutes

Step-by-step explanation:

If you divide 42 by 6, you get 7.

Question 4
If 1/3 of a sum of money is $21, what is the sum of money?
uction 5

Answers

Answer:

Step-by-step explanation:

21+21+21

Answer:

$63

Step-by-step explanation:

To find the total sum, divide 21 by 1/3

21 / (1/3)

= 63

So, the sum of money is $63

–19w + 11 = –17w − 19
w=?

Answers

Answer:

W = 15. I hope this helped.

Step-by-step explanation:

Steps:

1.Add 19w to both sides.

11=−17w−19+19w

2.Simplify -17w-19+19w to 2w-19

11=2w−19

3.Add 19 to both sides.

11+19=2w

4. Simplify 11+19 to 30.

30=2w

5.Divide both sides by 2.

30/2 = w

6.Simplify 30/2 to 15.

15=w

7.Switch sides.

w=15

An item is regularly priced at $19. It is now priced at a discount of 65% off the regular price. Use the a calculator or something to find the price now. THX!

Answers

Answer:

6.65

Step-by-step explanation:

65%of19 is 12.35

19-12.35=6.65 so the item is now priced at $6.65

what is 8333333333/100000000000 simplified? It might be hard but I need help and it's for tonight. Thanks!

Answers

0.08 is the answer because it was easy to do and it was good

4 cm
7-64. When Madelyn examined the triangle at left, she says, “I
don't think this diagram is drawn to scale because I think the
side labeled x has to be longer than 4 cm.”
26°
42°
a. Do you agree with Madelyn? Why or why not?
b. Leila thinks that x can be determined by using right triangles. Review what you learned in
Lesson 7.2.1 by calculating the value of x.

Answers

Answer:

Step-by-step explanation:

The value of x is determined as 6.10 cm using law of sines and the diagram is correctly drawn.

What is the law of sines?

The sine law is used to calculate the sides and angles of a triangle. It states that the ratio of the sides and the angles opposite to it are equal.

It can be written a/SinA = b/SinB = c/SinC.

For the diagram shown, the length of side of triangle can be calculated by Sin law as,

x/Sin(42°) = 4/Sin(26°)

⇒ x = 4/Sin(26°) × Sin(42°)

⇒ x = 6.10

Thus, x is greater than 4 cm.

(a) One cannot agree with Madelyn because x is greater than 4 cm.

(b) The value of x can be found by using law of sines.

Hence, the value of x is 6.10 and the diagram is drawn to scale.

To know more about law of sines click on,

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3. Write the function g(x) = -x2 - 4x in vertex form, using decimals as necessary.

Answers

Answer:

The vertex form is [tex]y=-(x+2)^2+4[/tex]

Step-by-step explanation:

I need some help here please

Answers

Answer:

d. raíz de 44

[tex] \sqrt{48 \\ } [/tex]

I believe the answer is D.

That’s because in radicals if there’s a square inside they square root that and put it on the outside. For example for √8, it would be 2√2, since the four can be square rooted, and there is still a 2 left inside the square root. For √48, there is a sixteen inside so you square root the 16 and get 4√3. Hope this helps

A cylinder has a radius of 20 meters. It’s volume is 13,816 cubic meters. What is the height of the cylinder

Answers

Answer:

H ≈ 10.994424 m ≈ 11 m

Step-by-step explanation:

[tex]V=\pi R^2\cdot H\\\\V=13\,816\ m^3\\R=20\,m\\H=??\\\\13\,816=\pi\cdot20^2\cdot H\\\\13\,816=400\pi H\\\\13\,816\approx1256.637 H\\\\H\approx10.994424\,m[/tex]

The area of a square is given by x2, where x is the length of one side. Mary's original garden was in the shape of a square. She has decided to double the area of her garden.

Answers

x4 you square areas.

Please help I’ll mark you brainly!

Answers

9514 1404 393

Answer:

A. f(x) = (x -3)² -1

B. vertex: (3, -1); axis of symmetry: x=3; x-intercepts: {2, 4}; y-intercept: 8

C. see attached for a graph

Step-by-step explanation:

A. Put the function in vertex form by completing the square. Start by putting parentheses around the terms containing x.

f(x) = (x² -6x) +8

Now, identify the coefficient of x (-6) and square half of that. (-6/2)² = 9. Add this value inside parentheses, and subtract this value outside parentheses.

f(x) = (x² -6x +9) +8 -9

Rewrite the trinomial in parentheses as a square. The constant in the binomial will be the value you squared in the previous step.

f(x) = (x -3)² -1 . . . . . vertex form; a(x -h)²+k for vertex (h, k)

B. The vertex and the axis of symmetry can be read from the equation. Here, the vertex is (3, -1). The axis of symmetry is the vertical line through the vertex: x = 3. The x-intercepts are found by solving f(x) = 0.

f(x) = 0

(x -3)² -1 = 0

(x -3)² = 1 . . . . . add the opposite of the 'k' value

x -3 = ±√1 . . . . take the square root. We need both signs.

x = 3 ± 1 . . . . . add 3 to get x by itself. These are the x-intercepts.

x = 3-1 = 2 and x = 3+1 = 4

The x-intercepts are 2 and 4, points (2, 0) and (4, 0).

The y-intercept is the value of f(0). It is the constant in the original form of the function. f(0) = 8 . . . . y-intercept

C. The graph is attached. The various points above are marked, and the axis of symmetry is shown.

What is the value of the expression of 1/2 divided by 6

Answers

Answer:

0.083

Step-by-step explanation:

Answer:

3 is it

Step-by-step explanation:

i will give brainliest to whoever answers correctly. this is due in 10 minutes so i would appreciate if you could do it

Answers

Answer:

choice 1) 7

Step-by-step explanation:

6 + (9-1)^2 / 4 x (1/2)^4

6 + 64/4(1/16)

6+16/16

6+1 = 7

If 4 notebooks and 3 packages of pens cost $7.43 and
5 notebooks and 2 packages of pens cost $7.03, what is the
cost of 1 notebook?

Answers

Answer:

i believe its one of these!

A. $0.89 B.$0.79 C. $1.29

Step-by-step explanation:

plz help Consider the figure below.

Simplify answers!

Answers

Answer:

Sin Z = 40/85

Tan G = 75/40

Cos Z = 75/85

Sin M = 1

Step-by-step explanation:

At a restaurant, Mr. Jones orders food that costs $26. The sales tax on the bill is 9%. After taxes, he gives the waiter an additional 15% tip.
What is the total amount Mr. Jones spends on dinner?
O $32.59
$32.24
$27.56
$27.13

Answers

Answer:

thank for the points hsushajwhshbsjsbsjs

The answer is 32.59

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

If a field's length is 75m and breadth is 50m then what is the area?

Answers

Answer:

3750m^2 is it's area hope it helps

Answer:

3750m²

Step-by-step explanation:

75x50=3750

In JKL, k=4.1 cm,j=3.8 cm and angle J=Q3^ Find all possible values of angle K , to the nearest inch of a degree .

Answers

Answer:

74.0°

Step-by-step explanation:

In triangle JKL, k = 4.1 cm, j = 3.8 cm and ∠J=63°. Find all possible values of angle K, to the nearest 10th of a degree

Solution:

A triangle is a polygon with three sides and three angles. Types of triangles are right angled triangle, scalene triangle, equilateral triangle and isosceles triangle.

Given a triangle with angles A, B, C and the corresponding sides opposite to the angles as a, b, c. Sine rule states that for the triangle, the following holds:

[tex]\frac{a}{sin(A)}=\frac{b}{sin(B)}=\frac{c}{sin(C)}[/tex]

In triangle JKL, k=4.1 cm, j=3.8 cm and angle J=63°.

Using sine rule, we can find ∠K:

[tex]\frac{k}{sin(K)}=\frac{j}{sin(J)} \\\\\frac{4.1}{sin(K)}=\frac{3.8}{sin(63)} \\\\sin(K)=\frac{4.1*sin(63)}{3.8}\\\\sin(K)=0.9613\\\\K=sin^{-1} (0.9613)\\\\K=74.0^o \\[/tex]

Charles earns $61.50 for 6 hours of work. What is his rate of pay?

Answers

Answer:

The rate of pay per hour is 10.25$ an hour

Step-by-step explanation:

61.50/6= 10.25

Please help asap:) thanks in advance !

Answers

Answer:

The photo is not showing up

You photo isn’t there

How would I figure this out? It’s graphing circles

Answers

There is no picture or any thing but the graph of a circle is completely determined by its center and radius. Standard form for the equation of a circle is (x−h)2+(y−k)2=r2. The center is (h,k) and the radius measures r units. To graph a circle mark points r units up, down, left, and right from the center.

That answer it the right one

Here is a right-angled triangle.
Diagram NOT
accurately drawn
6.5 cm
B
6.3 cm
AC = 6.5 cm.
BC = 6.3 cm.
Angle ABC = 90°
Calculate the length of AB.
(3 marks)

Answers

It is given that, ABC BC =6.5cm CA=6.3cm AB=4.8cm Steps involved in construction Step 1: First draw a line segment AB = 4.8cm using pencil and ruler And mark one end A and other end B Step 2: From the point A draw an cm Step 3: From the point B draw an arc of length 6.5 cm Step point of intersection of these arc as C. Step 5: Join A and C & B and C. Now the triangle ABC is ready with BC =6.5cm CA=6.3cm AB=4.8cm

x =

9
7
4
LOOK AT IMAGE

Answers

thy answer is 4
need character limit

Factorise.
5a - 25a^3

Answers

Answer: 5a(1- 5a^2)

Use the distributive property to write (−1)( + 3) as an equivalent expression.

Answers

Answer:

-3

Step-by-step explanation:

- times + is equal to -

which graph models the solution of the Inequality -6 ≤ -3x

Answers

Answer- B

First make x the subject which would be -6/-3 ≤ x
Which is 2 ≤x and that is represented in B

We know that graph (B) models the solution of the given inequality -6 ≤ -3x.

What are graphs?Drawing the curve that represents a function on a coordinate plane is known as graphing a function. Every point on the curve will satisfy the function equation if the curve (or graph) represents the function.Line graphs, bar graphs, pie charts, scatter plots, and histograms are examples of common graph types. Graphs are a fantastic tool for displaying statistics and visualizing data. To depict numerical data that is unrelated to one another, a bar graph or chart may be utilized.

So, in the given inequality:

-6 ≤ -3x

We know that:

Make x subject: -6/-3 ≤ xWhich is 2 ≤ x, represented in a graph (B).

Therefore, we know that graph (B) models the solution of the given inequality -6 ≤ -3x.

Know more about graphs here:

https://brainly.com/question/28953186

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