Mathematics High School

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MATH!!!!

Answers

Answer 1

Answer:

-38

Step-by-step explanation:

y=2

z=-17

yz-y^2

(2)(-17)-(2)^2

-34-4

-38

Related Questions

Andre ran 2 kilometers in 15 minutes, and Jada ran 3 kilometers in 20 minutes. Both ran at a constant speed. Did they run at the same speed?

Answers

Answer:

speed of Jada = 6km per hour which is not equal to

speed of Andre = 8km per hour

They did not run at same speed

Step-by-step explanation:

formula of speed = distance covered/ time taken

For Andre

Distance = 2 KM

time = 15 mins

60 mins = 1 hour

15 mins = 1/60 * 15 hour = 0.25 hours

thus,

speed = 2km/0.25 hour = 8 km per hour

Similarly for Jada

Distance = 3 KM

time = 20 mins

60 mins = 1 hour

20 mins = 1/60 * 20 hour = 1/3 hours

thus,

speed = 2km/(1/3)hour = 6 km per hour

Now we have

speed of Jada = 6km per hour which is not equal to

speed of Andre = 8km per hour

The difference of six times a number and seven results in 35.

Identify the steps necessary to solve the equation.

Answers

Answer:

Let the number be x

According to the question,

6x -7 = 35

=> 6x = 35 + 7

=> x = 42/6

=> x = 7

The solution to the equation is x = 7.

We have,

Let's assume the unknown number is represented by the variable 'x'.

- Translate the given information into an equation:

6x - 7 = 35.

- To isolate the variable 'x', start by adding 7 to both sides of the equation:

6x - 7 + 7 = 35 + 7.

- Simplify:

6x = 42.

- Next, divide both sides of the equation by 6 to solve for 'x':

(6x)/6 = 42/6.

x = 7

Therefore,

The solution to the equation is x = 7.

Learn more about solutions of equations here:

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DON'T tell me it's easy or whatever because I'm having a hard time understanding it and someone on my last question WASTED my points.
PLEASE HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(02.07 LC)

Two similar triangles are shown below:

Which two sets of angles are corresponding angles?

∠e and ∠h; ∠f and ∠g
∠e and ∠i; ∠f and ∠h
∠e and ∠g; ∠f and ∠h
∠e and ∠i; ∠f and ∠g

Answers

Answer:

im pretty sure the answer is ∠e and ∠i; ∠f and ∠g

but if not im so sorry :(

Answer:

The third answer

Step-by-step explanation:

Each angle on both triangles has a set of lines, either one, two, or three. These lines are used to show congruency over a number of lines or angles. So one angle will correlate with whatever other angles have that same number of lines. For example, e and g both have two lines, this means they are corresponding and congruent.

Micah is shopping for work shirts. The short-sleeve shirts cost $18 each and the long-sleeve shirts cost $24 each. He wants to buy 2 more short-sleeve shirts than long-sleeve shirts, and he is willing to spend no more than $120 total. How many long-sleeve shirts can he buy?

Answers

Answer:

Step-by-step explanation:

18 + 18 = 36

36 + 24 = 60

60 + 18 = 78

78 + 24 = 102

102 + 18 = 120

There are two total long-sleeve shirts and four total short-sleeve shirts.

How do you write an equation from a statement?

Statements to Equations Conversion and the Other Way Around

First, carefully read the sentence.Step 2: A value that is unknown or has to be located is designated as a variable, such as x, y, a, or b.Step 4: The expressions are created in accordance with the guidelines provided in the questions.

Cost of 1 short-sleeve shirt: $18.

Cost of one long-sleeve shirt: $24.

Purchase 2 more short-sleeve shirts than long-sleeve shirts, and the total cost will be $120.

Assuming 2 long sleeves and 4 short sleeves, we get 120, or 2*24 + 4*18 = 120.

He purchased two long-sleeve shirts and four short-sleeve shirts after the condition was met.

Additionally, the requirement of 2 more short-sleeve shirts than long-sleeve shirts is met.

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It takes Dariya 35 seconds to download 5 songs from the Internet. How can the number of seconds it would take Dariya to download 7 songs at this rate be determined?
By dividing 35 by 7.
By multiplying 35 by 7.
By finding the unit rate and dividing it by 7.
By finding the unit rate and multiplying it by 7.

Answers

Answer:

D.By finding the unit rate and multiplying it by 7.

Answer:

3.4

Step-by-step explanation:

Equation:

12x = 40.8

Isolate the variable:

x = 40.8/12

x = 3.4

Answer:

x = 3.4

Step-by-step explanation:

12x = 40.8

40.8 / 12 = 3.4

x = 3.4

Matrix elements! Can someone help

Answers

Answer:

Step-by-step explanation:

The number is in the fifth row and first column so 2

What is the slope of the line graphed below

Answers

Answer:

[tex]\frac{3}{4}[/tex] or 0.75

Step-by-step explanation:

I apologize if I'm incorrect

Select all that are equivalent to: (-12x-8)/4
3x-2

1/4 (12x+8)

-(12x+8)/-4
-3x-2−3x−2

-3x+2−3x+2

Answers

All that are equivalent to (-12x-8)/4 is:
•A
•B
•C

Help!!!! Having trouble finding the answer any help would be good

Answers

Answer: The slope is 3/2 or 1.5

Step-by-step explanation:

The line is going through the origin meaning that the slope will be the coordinate of one of the points divided by its y coordinate.

One point that can be found on the line is (2,3)

Divide the y coordinate by the x coordinate to find the slope.

The y coordinate is 3 and the x coordinate is 2.

3/2 = 1.5

The slope is 3/2 or 1.5.

Find the Domain and Range of the graph below

Answers

Answer:

Domain:2,4,-6,-1,5

Range:-2,3,-1,0

Step-by-step explanation:

Range is your y axis and domain is your x-axis

For range the number 3 was repeated twice so you only have to put it once

A number r is no less than −1.5 and fewer than 9.5.

Answers

-1.5 ≤ r < 9.5
Sorry if it’s wrong but I’m in 4th grade right now and had to do it on paper.

Solve the equation and enter the value of x below.
x-12 = 8
X =

Answers

The answer would be X = 20

Which graph represents the function f(x) = –|x + 3|?

Answers

Answer:

Step-by-step explanation:

f(x) = –|x + 3| is a case of the absolute value function

f(x) = -|x - {a}| + c, where (a, c) is the vertex. Comparing them, we see that

the value of a must be -3 and that of c must be 0.

Thus, the vertex of the graph is at (-3, 0), and the graph opens up; it looks like a "v" shape.

Next time, kindly share the given graphs.

Answer:

third graph

Step-by-step explanation:

Find the measures of angles A, B, C, D, E, F, G.

Answers

Answer:

A= 48°

B= 60°

C= 72°

D= 20°

E= 20°

F= 160°

G= 160°

Step-by-step explanation:

A= 180° -90° -42° (∠ sum of △)

A= 48°

D= 180° -42° -28° -90° (∠ sum of △)

D= 20°

E= D (vert. opp. ∠s)

E= 20°

G= 180° -D (adj. ∠s on a str. line)

G= 180° -20°

G= 160°

F= G (vert. opp. ∠s)

F= 160°

C= 180° -88° -D (∠ sum of △)

C= 180° -88° -20°

C= 72°

A +B +C= 180° (adj. ∠s on a str. line)

48° +B +72°= 180°

B +120°= 180°

B= 180° -120°

B= 60°

☆The sum of angles on a straight line is 180°

☆ The sum of angles in a triangle is 180°

A= 48
B= 60
C= 72
D= 20
E= 20
F= 160
G= 160

Ask if you have any questions :D

(6 r minus 1)(negative 8 r minus 3)

Answers

Answer:

Step-by-step explanation:

(6r - 1)(-8r - 3)

(6r - 8r)( -1 - 3)

-2r(-4)

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Factor the following x^2+3x-108

Answers

Answer:3(6+x)(6-x)

Step-by-step explanation:

Used a math app

NEED HELP ASAP

SOLVE FOR H

Answers

Answer: h = 3V/(pi*r^2)

Step-by-step explanation:

V = (1/3)pi*(r^2)*h

h = 3V/(pi*r^2)

7x + 4 = 7x + 4
O One Solution
No Solution
O
Infinitely many solutions
Pleas help 59 points

Answers

Infinitely many because if you subtract 7x from both sides, you get 4 = 4, which is true at all times no matter what x is.

HELP QUICK
Find the y-intercept of the graph of the equation given. Write your answer as an ordered pair.

-5x+2y=10

Answers

The y-intercept is 5
B/c when you solve the equation for y you get
y=5/2x+5
So replace

Answer −9
x + 1 = −80
Brainlist included

Answers

Answer:

x=9

Step-by-step explanation:

-9x+1=-80

To eliminate the one, you subtract one from both sides.

That gives you:

-9x=-81

Then you divide both sides by negative nine to get x by itself.

x=9

your answer would be x=9.

Find all of the zeros of f(x)=x^4+5x^3-8x-40

Answers

x=−5 x=2hope it helpss

I will mark BRAINLIEST

Answers

Answer:

Im cochie man and give me points plz i need em im sorry :(

Step-by-step explanation:

What is the difference of the polynomials?
(m^2n^2-7) -(mn+4)

Answers

Answer: m^2n^2-mn-11

Step-by-step explanation: edge

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PLS HELP ME!!!! I WILL MARK U!!!!! MATH!!!!

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PLS HELP ME!!!! I WILL MARK U!!!!!

MATH!!!!