Mathematics High School

15 PTS! ILL GIVE BRAINLIEST!
Which expression is equivalent to 1/2b - 15

A. 1/2(b+30)
B. -1/2(b-30)
C. 1/2(b-30)
D. -1/2(b+30)

Answers

Answer 1
Your answer is c. As you multiply 1/2 by both of the factors inside the parentheses you’ll find that 1/2(b-30)=1/2b-15
Answer 2
The answer is c I had this for a home work question

Related Questions

How are interger used In sports

Answers

A soccer pitch is 100 yards by 60 yards.

In baseball, 3 strikes and you are out.

Internal diameter of a basketball hoop is 45 cm.

Write an equation with a variable for the diagram. What is the value of y?

Answers

Answer:

Y=18

Step-by-step explanation:

18+13=30 30*3=90

3(y+12)=90
90-36=54
3y=54
y=18

To find the area of a triangle, you can use the expression b × h ÷ 2, where b is the base of the triangle and h is its height. What is the area of a triangle with a base of 2 and a height of 8?


The area of the triangle is....?

Answers

Answer:

c² √a²+b²

Step-by-step explanation:

use that formula

Another customer calls you wanting to know how much fence they should install around the circumference of their circular garden if they bought 204 feet² of topsoil. Assume the customer created a circle out of the soil and calculate the circumference in linear feet. Remember you’ll need to calculate the radius first, then use it to calculate the circumference.

Answers

Answer- 50.63

A= πr^2
A is 204 so 204= πr^2
Make are R the subject and the answer of the radius will be 8.06.
The equation for circumference is 2 πr and now we have R so just substitute it into the equation and the answer is 50.63

Please, please help. (no fake answers please)

Answers

Answer:

13

Step-by-step explanation:

plug each number in for each variable

(24(1/2) + 2(7)) / (1/4)(8)

simplify

(24/2 + 14) / (8/4)

simplify

12+14/2

simplify

26/2

simplify

13

Quick check 3
Find slope

Answers

Answer:

I believe its C.

Step-by-step explanation:

Slope is always y over x. Since the numbers are positive, i believe its C

The smiths bill at a restaurant is $85 how much money should Mr. Smith leave as a tip if he plans to tip 20%

Answers

Answer:

102.00

Step-by-step explanation:

If you want to leave a 20% tip, multiply the cost by 0.20 to get the tip amount or multiply the cost by 1.20 to get the total including tip. If you want to leave a 18% tip, multiply the cost by 0.18 to get the tip amount or multiply the cost by 1.18 to get the total including tip.

Answer: Mr. Smith should tip $17

Step-by-step explanation:

20% = 0.2

$85 × 0.2 = $17

4
Write the equation of the line in slope-intercept form given the following:
Slope 3, yintercept (0,8)
5
Write the equation of the line in point-slope form given the following:
Point : (-5,2), Slope : -3
1
Show Your Work

Answers

Answer:

 \bold{\text{Slope (m)}=\dfrac{1}{4}}Slope (m)=41

Step-by-step explanation:

A linear equation is of the form: y = mx + b   where

m is the slope

b is the y-intercept (where it crosses the y-axis)

x + 4y = 16

     4y = -x + 16

       y = -\dfrac{1}{4}x+\dfrac{16}{4}y=−41x+416

       y=-\dfrac{1}{4}x+4y=−41x+4

The y-intercept (b) = 4

Next, find the slope given point (4, 5) and b = 4

\begin{gathered}y=mx+b\\\\5=m(4)+4\\\\1=4m\\\\\dfrac{1}{4}=m\\\\\\\\\large\boxed{Slope (m)=\dfrac{1}{4}}\end{gathered}y=mx+b5=m(4)+41=4m41=mSlope(m)=41

EF is the midsegment of trapezoid ABCD with AB=12.6, EF=8.8 and DC=x. Determine
the value of x.
PLSSSSS HELPPP ASAPPP

Answers

Answer:

C. 5

Step-by-step explanation:

Midsegment is the half of the sum of the bases:

EF = 1/2(AB + DC)8.8 = 1/2(12.6 + x)12.6 + x = 2*8.8x = 17.6 - 12.6x = 5

Correct option is C

-11 -z
evaluate the expression if x=-8 , y=7 , and z=-11

Answers

Answer:

-8-(-11)-7

= -8+11-7

= 3-7

= -4

Step-by-step explanation:

Find the measure of each interior angle and each exterior angle of a regular pentagon.
The measure of each interior angle is
and the measure of each exterior angle is

Answers

Answer:

hope you like it so can you make me brainlest pls

HELP AGAIN :))) PLEASE HELP

Answers

Answer:

55

Step-by-step explanation:

This is 55 because you need to make a sum of 180 when making a line and 125+55=180

Answer:

55 degrees.

Step-by-step explanation:

If you see that it is parallel. You can see that each angle on the top and bottom of it equals 360 degrees. So if the same 360 degree angle is at the bottom of these both. And both of then have 2 180 equalling degrees on the top and bottom of it. Then that would mean for the 125 the other side would have 55 degrees equalling 180. Same for the bottom so that would mean that it would be the same for the bottom 360 degree angle making me absolutely sure that X is equal to 55 degrees.

10) using opposite operations solve for x

30 = - 6 x + 12

Answers

X=-3 that’s the answer your welcome

Jessie served 15 pints of orange juice at her party. How many quarts and pints (pints=remainder) of orange juice did she serve?

Answers

Answer:

7 quarts and 1 pint

Step-by-step explanation:

2 pints is equal to a quart

15 pints divided by 2 is 7r1

7 is equal to 7 quarts and r1 is equal to 1 pint.

HELP!PLS ANSWER THIS BY TODAY AND TMR
Write a story to represent 15 divided by 19 solve the equation in a complete story
Next when your done what multiplication equation shows that your division is correct
Pls answer this I will give a brainly to the best!

Answers

It equals 0.7894737 that’s the answer

Solve the system by substitution.
y = -3x +4
y = x

Answers

Answer:

4

Step-by-step explanation:

Help me find the slope of the line

Answers

Answer:

i think is 2 but i am not sure

Answer:

1/2

Step-by-step explanation:

This is tough because you don’t know the numbers on the side graph, but i’m assuming it’s 1 each.

Find where the line is on a point. Since slope is Rise over run. Go up 1 and sideways 2.

If the scale factor between a scale drawing of a rectangle and the real object is 1:3 what would be the ratio of the areas?

Answers

Answer:

The ratio of the areas will be will be 1 : 9

Step-by-step explanation:

The linear scale factor represents a ratio that is used to multiply the dimensions of objects so that accurate geometries can be transferred between real-life and paper.

The linear scale factor is quite different from the area scale factor but related to it in the following way:

The area factor can be obtained by squaring the linear scale factor.

This is Area factor = (Linear scale factor) ^2.

Linear scale factor = (1:3)

Area factor = [tex]1^2 : 3^2[/tex]

Area factor will be 1: 9

Thus, when the linear scale factor is 1:3 the area factor will be 1 : 9

Destiny spent $12.00 of the $20.00 in her wallet.Write a decimal and percent that represents the fraction of the $20.00 that denstiny spent

Answers

Answer:

40% and 0.4

Step-by-step explanation:

The answer is ‘’0.6 and 60% ‘’ that represents the fraction of the $20.00 that Destiny spent

A tepee has a circular floor with a radius of 3 meters. What is the floor's diameter?

Answers

Answer:

6 meters

Step-by-step explanation:

To find diameter if you have radius, multiply the radius by 2. In this case 3 x 2.

Hope it helps!

Step-by-step explanation:

how do i delete this? TwT

Please help will give brain!!

Answers

Answer:

x=29

Step-by-step explanation:

the angles shown are supplementary meaning that they will add up to equal 180 so to solve x we setup and equation

180=4x-1+65

step 1 combine like terms

180=4x+64

step 2 subtract 64 from each side

116=4x

step 3 divide each side by 4

x=29

Hope This Helps (:

Answer:

yes pls. i would help but i dont have a brain. that brain u are giving away will really come in handy for me.. once ive got that brain maybe i could give u the answer?

Step-by-step explanation:

The puppy weighed 2 pounds when it was born. He has gained weight, but still weighs less than 11 pounds. How much weight could he have gained?

Answers

3-10 pounds
because it has to be more than 2 pounds and less than 11. hope it helps

f(x)=6^x for x=2 help please

Answers

9514 1404 393

Answer:

  f(2) = 36

Step-by-step explanation:

Put 2 where x is and do the arithmetic.

  f(2) = 6^2

An exponent of 2 means 6 is a factor two times.

  f(2) = 6×6

  f(2) = 36

Answer:

36

Step-by-step explanation:

To evaluate f(x) = 6^x at x = 2, substitute 2 for x:

f(2) = 6^2 = 36

7 x 5/6 simplify if possible

Answers

Answer:

5 5/6 or 5.83Step-by-step explanation:

To answer make the whole number a fraction.

7/1 x 5/6 = 35/6

To simplify 35/6 see how many times 6 can go into 35. The answer to this is 5. So there is 5/6 left. The answer is 5 5/6.

Have a nice day! Hope this helps!

Gloria sells skateboards and charges a $15 shipping fee for each skateboard. She sold 14 skateboards last week and charged a total of $938. If Gloria charges the same amount for each skateboard, how much does she charge for one skateboard?

Answers

Answer:

She charges 52$

Step-by-step explanation:

The answer would be $52

HELP PLEASE IVE BEEN STUCK ON THIS QUESTION FOR AGESSS

- CLICK TO SEE THE PICTURE

Answers

The answer will be 357 plz give me brainliest I will do anything

At a party there were 4 boys and 4 girls. Boys only danced with girls and girls only danced with boys. At the end of the evening each person was asked how many people they had danced with. The boys gave the answers 3, 1, 2, 2 and three of the girls answered 2. Which answer did the fourth girl give?

Answers

The 4th girls answer was 2

The fourth girl danced with two of boys.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given,

At a party there were 4 boys and 4 girls.

Boys only danced with girls and girls only danced with boys.

In boys, first boys dance with  3 girls

Second boy danced with one girl

Third boy danced with two girls

Fourth boy danced with two girls

3+1+2+2=8

When comes to four girls, three girls said they danced with two boys.

We need to find with how many boys fourth girl danced.

2+2+2+x=8

x+6=8

x=2

Hence, the fourth girl danced with two of boys.

To learn more on Equation:

https://brainly.com/question/10413253

#SPJ2

there are 21 colored balls sindhu took 4/7 rosey took 1/7 and ritesh took 2/7 who took the least numbers of balls​

Answers

Rosey took the least
Rosey
Answer in the photo

How do I solve 3/2x-7=17

Answers

x = 16

djehshshshwhhw

Answer:

x = 0.06 if 3 is over 2x

Step-by-step explanation:

6. Determine how each multiplication or
division pattern is formed. Then, write
the next two numbers.
a) 1,3,9, ...
b) -240, -120,-60,...
c) 81, -27,9,...
d) 5, -20, 80,...
Automatic Zoom

Please help me

Answers

a) 27, 81
b) -30,-15
c) -3, 1
d) -320, 1280
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