Olivia earned 24 out of 30 points on her chemistry exam. What percent of the points did Olivia earn.

Answer:

(4×4)_7

16_7

=9 as the answer

Answer:

Your answer is 9. Substitute 4 in for x and solve. 4*4-7=9 Hope this is correct. Pls mark brainliest and rate... Have a great day/night

Step-by-step explanation:

Answer:

-2/-3 = 2/3 this is true

Step-by-step explanatio

3/2 = 1,5 but -2/-3 = 2/3 about 0.66666...

Answer:

x²(x-9)-5(x-9)

Step-by-step explanation:

(x³-9x²)+(5x-45)

x²(x-9)-5(x-9)

[tex]\sf \longmapsto \sqrt{6} \times \sqrt{6} [/tex]

[tex]\sf \longmapsto \sqrt{6} [/tex]

[tex]\sf \longmapsto6[/tex]

4 lines of symmetry

c. n because it separates the shape on the middle

Answer:

the y inetercept is -2

Step-by-step explanation:

its easy

Answer:

3√2

Step-by-step explanation:

2√2-3√2+2^2√2

2√2-3√2+4√2

3√2

Answer:

[tex]3 \sqrt{2} [/tex]

Step-by-step explanation:

Simplify

[tex] \sqrt{8} - \sqrt{18} + \sqrt{32} [/tex]

Evaluate

[tex]2 \sqrt{2} - 3 \sqrt{2} + 2 {}^{2} \sqrt{2} [/tex]

Collect like terms

[tex]2 \sqrt{2} - 3 \sqrt{2} + 4 \sqrt{2} [/tex]

Finish

[tex]3 \sqrt{2} [/tex]

Hope it helped;)

Answer:

[tex]\huge\underline\mathtt\colorbox{cyan}{Alt-interior Angles}[/tex]

Step-by-step explanation:

Angles 4 and 3 are a pair of alternate-interior angles which are equal in measure.

Hello there!

The slope is -2/3x.

Why? Keep the following formula in mind:

y=mx+b

m is the slope (-2/3x in this case)

b is the y-intercept (-5 in this case)

Hope this helps!

~Just a felicitous girlie

#HaveAnAmazingDay

[tex]SilentNature :)[/tex]

Answer: The slope of the linear function y= - 2/3x -5 is:

-2/3

,  Hope this helps :)

Have a great day!!

Answer:

B

Step-by-step explanation:

Answer:

C. one is the answer

Step-by-step explanation:

hopes it helpzz u

plz mark as brainliest

Answer:

mary is 8. 15 - 7 = 8!

Step-by-step explanation:

Answer:

Mary is 4 and Ruth is 11

Step-by-step explanation:

Answer:

b. maximum height: 5.6 ft

c. 0.3 sec to reach its maximum height

Step-by-step explanation:

y = -16x² + 10x + 4   ...(1)

d/dx: -32x + 10 = 0

x = 5/16 ≈ 0.3   ... plug in (1)

y = -16*(0.3)² + 10*0.3 + 4 = 5.56 ≈ 5.6

Answer:

Step-by-step explanation:

y=-4x-2

Answer:

A. 9.49

Step-by-step explanation:

Use Pythagorean theorem to find the distance and make a right triangle.

So then..

a² + b² = c²

3² + 9² = c²

c² = 9 + 81

c² = 90

c² = [tex]\sqrt{90}[/tex]

c = 9.49

Answer:

2.236

Is the square root of 5.

Answer:

Below.

Step-by-step explanation:

Use the formula

Area  = 1/2 ab sin C    where a and b are the given lengths of 2 sides and < C is the angle between them.

If you are not given the value of < C  you can calculate it from the other 2 known angles.

Answer:

It will be facing or pointing up

Step-by-step explanation:

Answer:

South.

Step-by-step explanation:

270°=3/4 turn clockwise, since 1/4 turn=90°.

Answer:

58 seconds

Step-by-step explanation:

100 meters in all

Exact calculations:

There are 2 half parts and first half in 27.8 seconds and second in 30.12 seconds so in all it took 27.8+30.12 = 57.92 seconds

Best estimates

27.8 ≈ 28

30.12 ≈ 30

Lily swims a 100 meter race in about 28+30 = 58 seconds

Answer:

y = -1/4x - 5/2.

Step-by-step explanation:

I am assuming you mean y = -1/4x + 5.

This has slope of -1/4 so the required equation has the same slope ( as they are parallel).

Using the point-slope form of the equation of a line:

y - (-3) = -1/4(x - 2)

y + 3 = -1/4(x - 2)

y = -1/4x + 1/2 - 3

y = -1/4x - 5/2

Answer: X= -6 ,Y=2

Step-by-step explanation:

Answer:

A and C

Step-by-step explanation:

Let's begin with simplifying the first expression

4x + 5x + 6 − 5x − 4

After adding and subtracting like terms, you end up with:

4x + 2

A would be a correct answer because the expression provided in that letter is the same as the original expression

B would be wrong

C would be correct too, after subtracting like terms, you end up with 4x + 2

D would be wrong

Answer:

A 4x + 2

C 9x − 5x + 2

Step-by-step explanation:

To solve;

4x + 5x + 6 − 5x − 4

Collect like terms,

4x+5x-5x+6 - 4

9x-5x+2

4x+2

Just a cheerful teen willing to help,

wishing you a splendiferous night (or day)

"Stay salty..."

Answer:

-6 degrees each minute

Step-by-step explanation:

if the temperature fell 48 degrees in 8 minutes, we must divide 48 by 8.

48 / 8 = 6

It fell 6 degrees every minute

Since we are talking about temperature dropping, it is negative

-6 degrees each minute

Answer:

It fell 6 degrees each minute

Step-by-step explanation:

I think you divide 48 by 8 so yeah it falls 6 degrees per minute if every fall is the exact same. You are welcome

Answer:

I think it is B

Step-by-step explanation:

Angle AMB is not more than 90 and less than 180 degrees, and neither is angle BMC. Therefore, neither angle is obtuse.

In [tex]\angle[/tex] A, [tex]\angle[/tex] BMC is an obtuse angle.

In [tex]\angle[/tex] B, [tex]\angle[/tex] AMB is an obtuse angle.

In [tex]\angle[/tex] D, [tex]\angle[/tex] AMB is an obtuse angle.

But, in C there are two right angles

Therefore, two right angles exist supplementary.

When the sum of the measures of two angles is 180°, such angles are called supplementary angles and each of them is called a supplement of the other.

Two angles exist named supplementary when their measures count up to 180 degrees. By the explanation of obtuse angles, the angles that estimate more significant than 90° exist as obtuse. If we add two obtuse angles, the sum will be more significant than 180°. It will not help the results of the supplementary angles when we add obtuse angles.

In [tex]\angle[/tex] A, [tex]\angle[/tex] BMC is an obtuse angle.

In [tex]\angle[/tex] B, [tex]\angle[/tex] AMB is an obtuse angle.

In [tex]\angle[/tex] D, [tex]\angle[/tex] AMB is an obtuse angle.

But, in C there are two right angles

The two right angles exist supplementary.

Therefore, the correct answer is option B.

To learn more about supplementary angles refer to:

https://brainly.com/question/1553934

#SPJ2

Answer: 24

Step-by-step explanation:

You first do 18 divided by 3/4 which gives you 18 times 4/3. Thus simply u=just mutiply and you will get 24.

Answer:

x = 6

Step-by-step explanation:

Area of a rectangle = length * width

24 = (x+2) (2x-9)

24 = 2x^2-5x-18

0 = 2x^2-5x-42

0 = (2x+7) (x-6)

0 = (2x+7) or 0 = (x-6)

-7 = 2x or 6 = x

-7/2 = x

Because (-7/2)+2 = -3/2 and a side can not be equal to a negative measurement, x cannot be equal to -7/2.

24 = ((6)+2) (2(6)-9)

24 =24

so x = 6

Answer:

#1 is C)

#2 is b)

#3 is C)

#4 is B)

#5 is c)

here's the whole quiz brainlist!!!!

Step-by-step explanation:

1. Which statement about x in the equation a - x = 2a is true?

A. x is equal to twice a

B. x must be greater than a

C. x must be equal to the opposite of a

D. x does not have any real number values

2. A student concluded that 8x - 12 = 4( 1/2x - 6 ) has infinity many solutions. Which statement best describes the students conclusion?

A. The conclusion is incorrect because the equation has no solutions

B. The conclusion is incorrect because there is exactly one solution to the equation

C. The conclusion is correct because there are exactly two solutions to the equation

D. The conclusion is correct because when simplified, both sides of the equation are equivalent

3. A student conducted that 0.5( 6x + 4 ) = 3x + 4 has no solution. Which statement best describes the student conclusion?

A. The conclusion is incorrect because there are two solutions to the equation

B. The conclusion is incorrect because there is exactly one solution to the equation

C. The conclusion is correct because the coefficient before the variable is equivalent

D. The conclusion is correct because, when simplified, both sides of the equation are equivalent

4. Three times the difference of a number x and seven is twenty-three minus the sum of three times a number x and two. What is the value of x?

A. 5

B. 7

C. No solution

D. Infinitely many solutions

5. A piece of wood that measures 175 in. long was cut into three pieces. The second piece of wood is 3 in. more than 3 times the length of the first piece of wood. The third piece of wood is 8 in. less than 4 times the length of the first piece of wood. What is the length of the longest piece of wood?

A. 70 in.

B. 77 in.

C. 82 in.

D. 85 in.

The student's conclusion is incorrect because there is exactly one solution to the equation and this can be determined by using the arithmetic operations.

GIven :

A student concluded that 8x - 12 = 4( 1/2x - 6 ) has infinity many solutions.

The following steps can be used in order to determine the statement that describes the student's conclusion:

Step 1 - Write the given linear equation.

[tex]8x - 12 = 4 (\dfrac{1}{2}x-6)[/tex]

Step 2 - Simplify the above equation.

8x - 12 = 2x - 24

Step 3 - Subtract 2x on both sides in the above equation.

8x - 2x - 12 = 2x - 2x - 24

6x - 12 = -24

Step 4 - Add 12 on both sides in the above equation.

6x - 12 + 12 = 12 - 24

6x = -12

Step 5 - Divide by 6 on both sides in the above equation.

x = -2

Therefore, the correct option is B) The conclusion is incorrect because there is exactly one solution to the equation.

For more information, refer to the link given below:

https://brainly.com/question/2263981

The sum of fractions 1/6 and 1/4 =

4/24 + 6/24 = 10/24 (so no)

The sum of fractions 1/3 and 1/8 =

8/24 + 3/24 = 11/24 (Yes)

The sum of fractions 1/2 and 1/12 =

12/24 + 2/24 = 14/24 (so no)

The sum of fractions 1/2 and 5/12 =

12/24 + 10/24 = 22/24 (so no)

Answer:

Option B

y=1/8 or 1/3

x=1/3 or 1/8

Answer: -4 : 64 -2 : 16 0 : 4 2 : 1 4 : .25