Mathematics High School

please someone help me please??!!!​

Please Someone Help Me Please??!!!

Answers

Answer 1

Answer:

how should I know?

Step-by-step explanation:

Answer 2

Answer:

a.)

x= -2 , -1, 0, 1, 2, 3

y=8 , 7, 6, 5, 4, 3

and for b just plot the point and then connect them. im not sure how i can show you

Step-by-step explanation:

Related Questions

Solve for x
-22=2(x-10)​

Answers

Answer:

−

2

2

=

2

(

−

1

0

)

x-22={\color{#c92786}{2(x-10)}}

x−22=2(x−10)

−

2

2

=

2

−

2

0

Step-by-step explanation:

Answer:

x=-21

Step-by-step explanation:

first expand the brackets

-22=2x-20

then make x on its own

-42=2x

then dived by 2

-21=x

Find the interest on an investment of $45,000
compound annually at 5.25% for 6 years
A = P(1 + r)t

Answers

Answer:

The interest on the investment is $16,170.93811

Step-by-step explanation:

The rule of the compound interest is [tex]A=P(1+\frac{r}{n})^{nt}[/tex], where

A is the new valueP is the initial valuer is the rate in decimaln is the number of periods in timet is the time

∵ The investment is $45,000

∴ P = 45,000

∵ The interest on the investment is compounded annually at 5.25%

∴ r = 5.25% = 5.25 ÷ 100

∴ r = 0.0525

∴ n = 1 ⇒ compound annually

∵ It is for 6 years

∴ t = 6

→ Substitute them in the rule above

∵ [tex]A=45,000(1+\frac{0.0525}{1})^{1(6)}[/tex]

∴ [tex]A=45,000(1.0525)^{6}[/tex]

∴ A = 61,170.93811

∵ I = A - P, where I is the interest

∴ I = 61,170.93811 - 45,000

∴ I = 16,170.93811

∴ The interest on the investment is $16,170.93811

How many boxes should be shaded on the grid to show 3/8 x 3/4

Answers

Answer:

9 boxes

Step-by-step explanation:

Help!!!

By rounding each number to 1sf. Estimate the answer to 7.238 × 125.5413

Answers

Answer:

909

Step-by-step explanation:

I'm not sure if I'm right plz tell me if I'm wrong

HELP IDK WHAT TO DOOO

Answers

Answer:

yes shes correct

Step-by-step explanation:

she is correct because 4 and 4 equal 8 which means each tree coat 10 each which is 80$

Answer:

hint find the diference

Step-by-step explanation:

spimplyfy 2x+4-3x+2+3x2 x + 4 − 3 x + 2 + 3 x

Answers

Answer:

12x + 12  

Step-by-step explanation:

2x+4-3x+2+3x(2)+x+ 4 − 3 x + 2 + 3 x

Solve 3x(2) = 6x

Next combine like terms

Like terms:

2x + 3x + 6x + 1x + (-3x) + 3x = 12x

4 + 2 + 4 + 2 = 12

Rewrite simplified

12x + 12  

^^This is the correct answer assuming that 3x2 x is 3x(2) + x

Pls help i reall need help with this
Simplify Each
1. 3 - {7 - [8 + (7 - 3)] }
2. 12 - ( 3 - 4) - [8 - 6] + 5
3. - {2 - [7 - 8] + 2 - (1 - 3)}
4. 6 + 3
2 + 3
5. 4+5
- [ 8 - (245)]
1 - 4

Answers

Answer:

1.8

2.16

3.-7

5.-702

I didn't understand the 4th one

Answer:

1) 8

2) 16

3) -7

4) 14

5) 243

Step-by-step explanation:

For number 4 i just assumed you meant 6 + 3 + 2 + 3

Q

H.

The two-column proof below describes the statements and reasons for proving that corresponding angles are congruent:

Step

Statements

Reasons

1

UV || WZ

Given

2

Points S. Q, R, and T all lie on the same line.

Given

3

mZSQT = 180°

Definition of a Straight Angle

Angle Addition Postulate

4

m2SQV + m2VQT = m_SQT

5

Substitution Property of Equality

6

m2VQT + mZZRS = 180°

Same-Side Interior Angles Theorem

Substitution Property of Equality

7

m2SQV+mZVQT = m2VQT + mZZRS

Answers

Answer:

i can't understnd it at all i mean you organized it but what does those mean??

Step-by-step explanation:

Math is the only place where is not questionable as to why someone has 83.

Answers

Answer:

true

Step-by-step explanation:

3(10 - x) = 21
30 -
21
30 - 3x
= 21
- 3x
- 3x
-9
=
X =

Answers

Answer:

x=3

hope this answers is ok na

Step-by-step explanation:

I am answering blanks left to right and top to bottom.

3x

30 30

-9

-3 -3

x = 3

Use the figure to find the measure of angle 1. *

Answers

Answer:  angle 1 = 110 degrees

This is because angle 1 and the red 110 degree angle are corresponding angles.

They correspond to one another due to the fact they are both in the southwest corner of each 4-corner angle configuration (which is the result of crossing two lines)

Corresponding angles are congruent only when we have parallel lines like this.

You were billed $28.50 for additional data usage on your cell phone at a rate of $9 per gigabyte. Three choices are correct ways to calculate the additional gigabytes, g, that you used. Which choice is NOT?

Answers

Answer:

b.) 9/g = 28.5

Step-by-step explanation:

a.) 9g = 28.5

b.) 9/g = 28.5

c.) 28.5 = 9 x g

d.) 28.5/9 = g

Total billing = $28.50

Rate = $9 per gigabyte

Calculate the additional gigabytes, g, that you used.

Additional gigabyte used, g = Total billing / Rate

g = $28.50 / $9

9g = 28.50

28.50 = 9 × g

g = 28.50 / 9

Option b.) 9/g = 28.5 is the incorrect way to calculate the additional gigabytes, g, that you used.

Answer:

9/g = 28.5

Step-by-step explanation:

It's attached to the image to show proof it's right

The question is in the image! Please help if u can its due really soon

Answers

Answer:

Angle STR = 78°

Step-by-step explanation:

So, since line QS is a straight line, we know that it's 180°. We also know that angles QTR and STR both add up to 180°. That gives us an equation:

20x + 12 + 10x + 33 = 180

Combine like terms

30x + 45 = 180

Subtract 45 from both sides

30x = 135

Divide both sides by 30

x = 4.5

Now we know the value of x. We just need to plug it into angle STR's given value:

10(4.5) + 33 = angle STR

45 + 33 = angle STR

78° = angle STR

Evaluate each value expression for the given valueof x: 20-3x, x=5

Answers

Answer:

= 5

Step-by-step explanation:

20 - 3(5)

20 - 15

= 5

For a party, Samantha bought eight half gallon bottles of soda. About how many cups of soda did Samantha buy???

Answers

Answer: 4 and a half

Step-by-step explanation:


What is the y-intercept of y=
-3x

Answers

0 hope this helps!!!!!!!!!

x·6−14=46


Answer asap!!!! thank you!!

Answers

Answer:

x=10

Step-by-step explanation:

[tex]6x-14=46\\6x=60\\x=10[/tex]

4/5x - 1/10 = 3/10 what is the value of x​

Answers

Answer:

x=1/2 or 0.5

Step-by-step explanation:

Hope this helps and have a great day :)

Patrick spent a total of $29.82 for 14 paintbrushes, $31.84 for 16 drywall anchor screws, $27.15 for 12 light bulbs, and $36.54 for 18 pieces of sandpaper at his local hardware store. Which purchase had the highest per item cost?
A.
paintbrushes
B.
light bulbs
C.
sandpaper
D.
drywall anchor screws

Answers

Answer: Light bulbs.

Step-by-step explanation:

Paint Brushes: 29.82 ÷ 14 = $2.13 per brush.

Drywall Screws : 31.84 ÷ 16 = $1.99 per anchor screw.

Light Bulbs: 27.15 ÷ 12 = $2.26 per light bulb.

Sandpaper: 36.54 ÷ 18 = $2.06 per piece of sandpaper.

(70 points) please answer this question and explain how you get the answer!!

Answers

Answer: -0.10

Step-by-step explanation:

there is a pattern because 2014 0.45, 2015 0.20, 2016 0.35, 2016 0.10.

Answer: -0.10

Step-by-step explanation:

because of the down fall

What is the dollar value of 2 pennies and 3 dimes? What is the dollar value of p
Dennies and d dimes?

Answers

Answer:

32 cents? This is a weird phrased question!

Step-by-step explanation:

The smallest cube has a length of 6 inches.What are the edge lengths of the other cubes if the ratios of similarity to the smallest cube are 1.25, 4/3, 1.5, 7/4 and 2 respectively

Answers

Ans is in the attachment

hope it helps :)

plz mark as brainliest

State if the two triangles are congruent, if they are state how you know.

A. SSS
B. HL
C. LL

Answers

Answer:

I belive it would be HL because its defenitly not SSS

Step-by-step explanation:

HL Postulate is if the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then the two triangles are congruent.

need this asap!!! will give brainliest and a thanks! :))

Answers

Answer:

The answer is A

Step-by-step explanation:

I am smart

Johnny is given 18 bottles of beer and he drinks 6 of them. How much beer does Johnny have left?

Answers

Answer: 12 bottles left

Step-by-step explanation:

18-6=12 bottles

Answer:

Johnny will have 7 beer bottles left.

Step-by-step explanation:

i need elp ill give a brainly to whoever helps me

Answers

Answer:

x=3

Step-by-step explanation:

cross multiply

12.5*2=30

10*x=10x

10x=30

/10

x=3

Answer:

30

Step-by-step explanation:

2.5X12=30

What is the slope and y-intercept of x/3= -y+2 and how?????

Answers

subtract 2 from both sides

then you get -y equals 1/3x -2 so you have to flip the sign of the entire equation because you can’t have a negative line

so you get y = -1/3x + 2

the y-intercept is (0,2)

the slope is -1/3x (aka -x/3)

A penguin walks 10 feet in 6 seconds. At this speed how far does the penguin walk in 45 seconds?

Answers

10/6 feet per second
10/6 * 45 = 75 feet

a number with a negative exponent can always be written using positive exponents in fraction form. the numerator will always be ___


please finish the sentence

Answers

Answer:

1

Step-by-step explanation:

i did this in 8th grade so last year. trust me

can i get brainlest

Which of the following expressions is not equivalent to (-2)(8 +6+-3)?
(-2)(8 + 6) + (-2)(-3)
(-2)(8 + 6) + (-3)
(-2)(8) + (-2)(6) + (-2)(-3)
(-2)(8) + (-2)(6 +-3)
NEXT QUESTION
о
ASK FOR HELP
594

Answers

Answer:

[tex]b.)31\neq -22[/tex]

Step-by-step explanation:

Simplify each equation using PEMDAS:

Parentheses (x)

Exponents x²

Multiplication and Division, left to right × ÷

Addition and Subtraction, left to right - +

It is also important to follow PEMDAS when working within grouping symbols like parentheses.

Also, remember that two negatives make a positive, and when a negative and positive are multiplied, the result is always negative.

[tex](-2)(8+6+-3)\\\\-2*(8+6-3)\\\\-2*(14-3)\\\\-2*11\\\\-22[/tex]

Find which answer is not equal to -22.

a.) [tex](-2)(8+6)+(-2)(-3)\\\\-2*(8+6)-2*-3\\\\-2*14-2*-3\\\\-28-2*-3\\\\-28+6\\\\-22[/tex]

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

b.) [tex](-2)*(8+6)+(-3)\\\\-2*(8+6)-3\\\\-2*14-3\\\\-28-3\\\\-31[/tex]

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

c.) [tex](-2)(8)+(-2)(6)+(-2)(-3)\\\\-2*8-2*6-2*-3\\\\-16-2*6-2*-3\\\\-16-12-2*-3\\\\-16-12+6\\\\-28+6\\\\-22[/tex]

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

d.) [tex](-2)(8)+(-2)(6+-3)\\\\-2*8-2*(6-3)\\\\-2*8-2*3\\\\-16-2*3\\\\-16-6\\\\-22[/tex]

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

Option b is not equal to -22.

:Done

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