Mathematics High School

Please Help me, im not smart ✨​

Please Help Me, Im Not Smart

Answers

Answer 1

Answer:

-8 and -4

Step-by-step explanation:

Answer 2

Answer:

8: 9 and 6

9: -8 and -4

10: i'm not sure

Related Questions

what s the vertex y=3x^2-18x +30​

Answers

Answer:

(3,3)

Step-by-step explanation:

Rewrite in vertex form and use this form to find the vertex  ( h , k ) .

find x and y?
i dont want to cheat but can anyone tell me how to do it or how to start out ​

Answers

Answer:

x is 13

y is 39

Step-by-step explanation:

Answer:

y= 39  x= 10

Step-by-step explanation:

congruent isosceles triangles

longer sides measure the same  13 and 13    39 and 39 ( y =39)

39/30  = 13/x

cross multiplication:

39x = 13x30

39x = 390

x=10

What is the area of a circular dinner plate that has a diameter of 10 inches?

Answers

Answer:

I love Math anyways

The ans is in the picture with the  steps how i got it

(hope this helps can i plz have brainlist :D hehe)

Step-by-step explanation:

Answer:

78.5inches²

Step-by-step explanation:

area of a circle is pie r²

so to get the radius you half the diameter

and then u do pie×5²

or 25pie which is 78.5 (rounded to 1dp)

what is 3/10 as a division

Answers

Answer:

0.3 is the correct answer of this question

Answer:

0.3

That is it

I hope this helps!

Step-by-step explanation:

It's just 3 ÷ 10 = 0.3

my math problem is 3.8x=-19 I have to show all of my work... Help

Answers

Answer:

-5

Step-by-step explanation:

3.8x= -19

3.8x/3.8= -19/3.8

x=-5

Which of the fractions below are smaller than 1/8
A)3/10
B)1/9
C)1/6
D)1/7
E)1/10​

Answers

I think A,C and D
Because if you were to draw boxes of each you would find that the 3/10 1/6 and 1/7 would take more space up then 1/8

Plz answer only if u know ur correct. tyvm. will give brainliest to best answer
look at the picture

Answers

Slope is 1/2. Give brainly or I wont answer another one of your questions

Answer: 1/2

Step-by-step explanation:

rise over run

Please help me with algebra

Answers

Answer:

Step-by-step explanatio

Answer:

It's the second answer

Step-by-step explanation:

For 4 games on thursday you pay $16 while on saturday you pay $18. If you need a better explanation I can give it to you.

Determine the period of the function graphed at the right.

Answers

Answer:

Step-by-step explanation:

what percent of 800 is 4​

Answers

Answer:

0.5

That is the answer.

Estimate 154 divide 7
​

Answers

Answer:

22

Step-by-step explanation:

The result of 154 divided by 7 will be 22.

What is the rule of division?

The rules of the division include easy memory tricks that make division calculations easier by generating patterns you may use to deconstruct both simple and complex situations. The guidelines establish requirements that a number must meet in order to neatly divide into another number. While some division rules only require one or two steps to evaluate a number's divisibility, others require two or three steps. Even though some of these formulas are lengthy, division rules help hasten the process of dividing huge numbers.

Remember to continue using the divide, multiply, subtract, and drop-down method for long division problems until all of the dividend's digits have been divided. The solution to the division puzzle is the quotient.

Since the given problem is not a large division. We can solve it by breaking 154 into two parts

    ______

7 / 154     \    2 2

   14

 ---------

   1 4

   14

---------

    0

Therefore, 22 will come from dividing 154 by 7.

Learn more about division here:

https://brainly.com/question/4942548

#SPJ2

Deriving and using formulae
1. a + 10 when a = 6
2. b - 3 when b = 120

Answers

Answer:

a. 16

b. 117

Step-by-step explanation:

a. 6+10=16

b. 120-3=117

Please help due in 5 minutes !

Answers

It is horizontal I believe because if you were to flip it horizontally then it would be symmetrical

Answer:

Verticle I think

Step-by-step explanation:

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?
$3 per pound
$1.25 per pound
o per pound
$2.50 per pound

Answers

the unit rate is $1.25 per pound

Change 50/7 to mixed number: *

Answers

Answer:

7 1/7

Step-by-step explanation:

7x7=49

50-49=1

7 1/7

Answer:

7 1/7

Step-by-step explanation:

Its was a improper fraction

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Answers

Answer: x = 1 and y = 2

Step-by-step explanation:

Solve for y in the first equation by adding 2x to both sides

[tex]y=2x[/tex]

Plug this answer into the y for the second equation

[tex]3x+4(2x)=11[/tex]

Combine like terms and simplify

[tex]3x+8x=11\\11x=11\\x=1[/tex]

Now solve for the y value by plugging in x to any equation

[tex]y=2x\\y=2(1)\\y=2[/tex]

y
is inversely proportional to
x
.
When
y
=
20
,
x
=
2

Work out
y
when
x
=
5

Answers

20/2 = y/5
cross multiply
2y = 100
divide by 2 on both sides
y=50

The length of a rectangular sandbox is 4 feet less than its width, which is represented by x. The area is 45 square feet. Which equation can be used to find the area of this sandbox?
1.x^2+4=45
2.x(x+4)=45
3.x(x-4)=45
4.x(2x+4)=45

Answers

Answer:

3

Step-by-step explanation:

w= x

l= x-4

x(x-4) = 45

x^2-4x = 45

correct answer gets brainliest

Answers

The first one is right.

1) 2/3 * 2/3 * 2/3 * 2/3 * 2/3 =  32/243

Find the value of z in the following equation.
z + 3z + 25 = 125

Answers

Answer:

25

Step-by-step explanation:

z+3z+25=125

4z=100

z=25

Answer: 25

Step-by-step explanation:

Combine like terms

z + 3z + 25 = 125

4z + 25 = 125

Subtract 25 on both sides

4z = 100

z = 25

Anthony bought an 8-foot board. He cut off 3/4 of the board to build a shelf, and gave 1/3 of the rest to his brother for an art project. How many inches was the piece Anthony gave to his brother.

Answers

Answer:

8 inches

Step-by-step explanation:

Anthony bought an 8-foot board. He cut off 3/4 of the board to build a shelf

Step 1

The amount of board he used to build the shelf is calculated as:

= 3/4 of 8 foot board

= 3/4 × 8 foot

= 6 foot board.

Step 2

The amount of board left after building the shelf = The rest =

8 foot - 6 foot

= 2 foot

Step 3

We are told that he gave 1/3 of the rest to his brother for an art project

The amount of board he give his brother for an art project =

1/3 × 2 foot

= 2/3 foot

Step 4

How many inches was the piece Anthony gave to his brother?

We convert 2/3 foot to inches

1 foot = 12 inches

2/3 foot = x inches

Cross Multiply

x inches = 2/3 foot × 12 inches

x inches = 8 inches

Therefore, Anthony gave his brother 8 inches of board.

100 points
If no denominator equals zero, which expression is equivalent to 15/x-6+7/x+6

Answers

Answer: its d

Step-by-step explanation:

The expression is equivalent to "[tex]\frac{22x+48}{x^2-36}[/tex]".

Given expression:

[tex]\frac{15}{x-6}+\frac{7}{x+6}[/tex]

By taking L.C.M, we get

→ [tex]\frac{15(x+6)+7(x-6)}{(x-6)(x+6)}[/tex]

→ [tex]\frac{15x+90+7x-42}{x^2-36}[/tex]

→ [tex]\frac{22x+48}{x^2-36}[/tex]

Thus the response above i.e., "option D" is correct.

Learn more about denominator here:

https://brainly.com/question/7067665

If a car goes 70 miles per hour how long does it take to go 70 miles

Answers

If a car is going 70 mph it will only take 1 hour to get 70 miles
answer: 1 hour
-
-
explanation: 70/70 = 1

can u pls help me with this question asap ​

Answers

Ok. Add all the values up and then divide by the number of values (5). That is the mean, or average. The actual answer is -6.8.

What is the polygon called?

Answers

Answer:

Trapezoid since it has one pair of parallel side and 4 sides.

Can anyone help me on #4

Answers

Answer:

(a) 47°

Step-by-step explanation:

360° - (135° + 110° + 68°) = 360° - 313° = 47°

Solve by elimination:



-x+2y=17

2x+2y=-10

Answers

The equation form of this answer is X=7 y=-12
Point form is (7,-12)

HELP ME PLS ITS DUE TODAY

Answers

Answer:

choice 3) 1/3 x 1/3

Step-by-step explanation:

Which expression is equivalent to 12 x + 3 ( x − 2 )

Answers

Answer:

15x - 6

Step-by-step explanation:

To solve this, Given the expression 12 x + 3 ( x − 2 )

To simplify, expand

12 x + 3 * x −3 * 2

Knowing that

- * + = -

then the expression becomes

= 12 x + 3x - 6

= 15x - 6

The expression given is equivalent to 15x - 6

cindy claims that 4^x/12^x=1/3​

Answers

Answer:

what about the equation

Step-by-step explanation:

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