Mathematics Middle School

Question Evaluate 8x−y²−3 when x=−1/4 and y=3

Answers

Answer 1

Answer: -14

Step-by-step explanation:

Plug in the x and y value. 8(-1/4)-3^2-3

-2-9-3=-14

Answer 2

Answer:

-14

Step-by-step explanation:

Related Questions

Aleks

The Jenkins family is selecting a furniture set. A furniture set has a bed, a desk, and a dresser. There are 3 beds, 2 desks, and 2 dressers to select from. How many different furniture sets could they select?
(I'm gonna be posting/asking a lot of questions from Alek for a bit today.
So be ready/prepared!)

Answers

Answer: 12 furniture sets

Step-by-step explanation: This question is like # of different ways to choose the furniture set.

3 beds x 2 desks x 2 dressers = 3 x 2 x 2 = 12 furniture sets.

12 furniture sets because 3x2x2=12

Two angles of a triangle measure 27 and 17. What is the measure of the third angle?

Answers

Answer:

136⁰

Step-by-step explanation:

Three angles of a Triangle always addvup to 180⁰

27⁰ + 17⁰ + ×⁰= 180⁰

44⁰ + x⁰ = 180⁰

× = 180 - 44

= 136⁰

Therefore Angle 3 = 136⁰

Answer:

The third angle is 136

Step-by-step explanation:

The three angles of a triangle add to 180

27+17+x = 170

Combine like terms

44+x = 180

Subtract 44 from each side

44+x-44 =180-44

x =136

Elaina bought a book for 20% less than the original price write an expression that can be used to find the reduced price of the book in one step

Answers

Answer:

Y-25% = original price

it’s 25%= y if u add

This assignment is due soon! Can someone help me on it. It is about Exterior Angle Theorem. Thank you!

Answers

Exterior angle theorem.
In a triangle an exterior angle or angle outside the triangle will always equal the sum of the 2 remote Interior angle or the 2 angles not close to the outside angle.
If you look at the picture I post below the exterior angle theorem is 1+2=3 . So to find answer for your question you should write the equation p+5+p = p+50 and the p=45 degree.
There is your answer up there^^

What is an equation of the line that passes through the points (4,1) and (8,-4)

Answers

Answer:

(4,1)

Step-by-step explanation:

there u go the answer is up there

first find slope (-4/5), then substitute x and y with two points (i did 4,1 which is 1 = -4/5 (4) + b, solve y=-5/4 + 6
Answer: y=-5/4 + 6

A new health drink has ​190% of the recommended daily allowance​ (RDA) for a certain vitamin. The RDA for this vitamin is 20 mg. How many milligrams of the vitamin are in the​ drink?

Answers

Answer:

See below

Step-by-step explanation:

190 %   is 1.9 in decimal form

1.9 x 20 mg = 38 mg in the drink

Answer:

There is 95mg of vitamins in the drink

PLEASE HELP I NEED TO GET MY MATH GRADE UP!!!! 100 POINTS!!!!

Answers

The sales tax is 2.10$

Answer: $2.10

Step-by-step explanation:

Find 3% of the selling rate by multiplying $70.00 by 0.03 (3%) to get $2.10 in sales tax.

Hello! I need help on this transversals of parallel lines: name angle pairs. If someone can help it would be great!

Answers

Answer:

∠TUR and ∠VUR

Explanation:

These angles are adjacent angles because they have a common side (in simple words, they both share points U and R)

< Tur = < Vur hope this helps

Zach is 4 years older than twice his sister Maya’s age. Zach is 28 years old.

Answers

Answer: 2m + 4

100% positive

⇒Since it is given that variable  m should be the one to be used,

it is said that Zach is 4 years older⇒ than twice his sister Maya`s age.

⇒As indicated Maya`s age is m

⇒Twice Maya`s age is 2×m=2m

Therefore Zach`s age is 2m+4

The expression given by the given scenario is 2m+4

⇒It is the expression that can help us find the exact ages of the Zach and Maya

⇒First Option is the answer.

Kayla drives her car to work every day. ​It uses 1 3/5 gallons of gas for each round trip. How many round trips can Kayla make on a full tank of gas that is 16 gallons?

Answers

I believe it would be 10.
1 3/5= 1.6
1.6 x 10= 16 gallons.
^^^^^^^^there is the answer to your question

This assignment is due soon! If someone can help me answer this it would be amazing. It is about Exterior Angle Theorem.

Answers

Answer = 95


180-(u+(u-47)) = 180 - (u + 48)

180 - (u + 48) is the unknown angle in the triangle as angles on a straight line = 180


180-(u+(u-47)) is also the unknown angle in the triangle as total angles in a triangle add up to 180.

180-(u+(u-47)) = 180 - (u + 48)

180-(u+u-47) = 180 - (u + 48)

180-(2u-47)= 180 - (u + 48)

180-2u+47 = 180 - u - 48

227-2u = 132-u

227-132 = -u+2u

95 = u
The answer is 95 for this problem

Is there any advantage to describing the links using a decimal such as 1.82 m instead of using a fraction such as one and 82/100 or one and 42/50 of a meter

Answers

Answer: Not really

Step-by-step explanation:

Decimals just look better than fractions. People don't normally say, "I have two and 4/25 dollars!" They just don't want to have to work in order to determine how much something costs or how far someone walked. If the question states clearly to write it as a fraction then do so, but otherwise, do it however you want to.

Hannah wanted to check her solution of b=-3 for the equation 9/7 (1+b)-6/7b 1=1 . Substituting b for -3, she writes the following:
A. 9/7(1+(-3))-6/7b+1=1
B. 9(1+(-3))-6(-3)-7=7
C. 9(1+(-3))+18+7=7
D. 6-18+7=7
E. -12+7=7 -5=7
F. -5=7
In which line did Hannah make a mistake? Choose one.

Answers

Answer:

B

Step-by-step explanation:

Answer is
B
Step equation

Determine the intercepts of the line.
Do not round your answers.
y=10x-32y=10x−32y, equals, 10, x, minus, 32
yyy-intercept: \Big((left parenthesis
,,comma
\Big))right parenthesis
xxx-intercept: \Big((left parenthesis
,,comma
\Big))right parenthesis

Answers

Answer:

x-intercept is -14/9 and y-intercept is -14

Step-by-step explanation:

Given equation is:


Determine the intercepts of the line is
y = (10/33)x

Solving step :

1. Find the y-intercept/zero

• Substitute y = 0
To find the y-intercept/zero, substitute y = 0.
y = 10x – 32y
0 = 10x- 32*0

• Calculate the product.
Any expression multiplied by 0 equals 0.
0 = 10x- 32*0
0 = 10x – 0

• Remove 0.
Removing 0 doesn't change the value, so remove it from the expression.
0 = 10x – 0
0 = 10x

• Swap the sides.
Swap the sides of the equation.
0 = 10x
10x = 0

• Divide both sides.
Divide both sides of the equation by 10.
10x = 0
10x ÷ 10 = 0 ÷ 10
Any expression divided by itself equals 1.
X = 0 ÷ 10
0 divided by any nonzero expression equals 0.
X = 0

2. Find the y-intercept.

• Substitute x = 0
To find the y-intercept, substitute x = 0.
y = 10x – 32y
y = 10*0 - 32y

• Solve the equation.
Solve the equation for y.
y = 10*0 – 32y
Any expression multiplied by 0 equals 0.
y = 0 – 32y
Removing 0 doesn't change the value, so remove it from the expression.
y = -32y
Move the variable to the left-hand side and change its sign.
y + 32y = 0
Collect like terms.
33y = 0
Divide both sides of the equation by 33.
y = 0

3. Find the slope-intercept form.

• Move the variable to the left.
y = 10x – 32y
Move the variable to the left-hand side by adding its opposite to both sides.
y + 32y = 10x - 32y + 32y
Since two opposites add up to 0, remove them from the expression.
y + 32y = 10x

• Collect like terms.
y + 32y = 10x
If a term doesn't have a coefficient, it is considered that the coefficient is 1.
1 y + 32 y
Collect like terms by adding their coefficients.
(1 + 32)y
Add the numbers.
33y
We did it!
y + 32y = 10x
33y = 10x

• Divide both sides.
Divide both sides of the equation by 33.
33y = 10x
33y ÷ 33 = 10x ÷ 33
Any expression divided by itself equals 1.
y = 10x ÷ 33
Write the division as a fraction.
y = (10/33)x

Read more at; brainly.com/question/4193335

#SPJ1

20-2(x-5)=24
find the value of x

Answers

x= 3

have a great thanksgiving!! :)

Answer: [tex]x=3[/tex]

Step-by-step explanation:

STEPS FOR SOLVING LINEAR EQUATION

[tex]20-2(x=5)=24[/tex]

Use the distributive property to multiply −2 by x−5.

[tex]20-2x+10=24[/tex]

Add 20 and 10 to get 30.

[tex]30-2x=24[/tex]

Subtract 30 from both sides.

[tex]-2x=24-30[/tex]

Subtract 30 from 24 to get −6.

[tex]-2x=-6[/tex]

Divide both sides by −2.

[tex]x=\frac{-6}{-2}[/tex]

Divide −6 by −2 to get 3.

[tex]x=3[/tex]

A scientist pours 708 milliliters of a solution into a beaker. There are approximately 236 milliliters in 1 cup. How many ounces of a solution did she pour into the beaker?

Answers

Answer: The answer is 3

Step-by-step explanation:

just do 236x3 next time. Have a good day!

Answer: The answer is 3
Step-by-step explanation:
just do 236x3 next time. Have a good day!

The graph of the function is shown below.

Answers

The answer is C since the line is going down aka decreasing and the line isn’t straight meaning it’s non linear
The answer is c to this question

pls help :]
..
..
..
..

Answers

Answer:-72 1/2

Step-by-step explanation:

Answer:

-72 1/2

Step-by-step explanation:

Please help due today

Answers

Answer:

C.

Because the value is -2
C The bar starts at 0 and continues to -2

Last year, the school basketball team won 75% of their 32 games. How many games did the school basketball team win last year?show work pls

Answers

Answer:

24 games won

Step-by-step explanation:

Last year, the school basketball team won 75% of their 32 games. How many games did the school basketball team win last year?

75% = 0.75

32 * 0.75 = 24 games won

Answer:

24 games

Step-by-step explanation:

(75/100)*32

= (75*32)/100

= 2400/100

=24

hope this helps!

Solve the linear equation 17 - x = ⅓ times 15 + 6. State the property that justifies your first step and why you chose it.

Answers

Answer:17−x=13=x=50

Step-by-step explanation:15+6=21

Please Help I need to get my Math grade up!!

Answers

Answer: 0.3%

Step-by-step explanation: Honestly I need to get my grade up too bestie :)

0.3%

27/9000=3/1000
3/1000=0.3/100
0.3/100 as a percentage is 0.3%

Determine whether the given value makes a true statement: x/-2 > 5 if x = 12

Answers

Answer:

It does not make a true statement. Hence, this is false.

Step-by-step explanation:

12/-2 is -6 and -6 is not greater than 5.

Answer:

it doesnt

Step-by-step explanation:

Please help me I need help ASAP

If you wouldn't mind could you please answer both questions?

Answers

The answer is: 210
I searched it up!
I hope this helped!!
126 digits
Hope this helps

Will give brainliest!! Just help me please!11!

Answers

Answer: look up slope intercept calculator

Step-by-step explanation:

f(x)=0
I have attached a detailed solution below.

Write an equation for the trend line shown on the scatter plot.

Answers

y=5x+15

To make an equation for this line, you need to figure out the values for the slope and the y-intercept and plug them into the formula y=mx+b

The line is going up 5 over 1 which means the slope(m) is 5

The line passes through the y intercept at 15 which means that the y-intercept(b) is 15
Correct answer y=5x+15

Which product is negative?

Answers

Answer: The Answer to your question would be D-Number 4

Step-by-step explanation: A Negative Number Multiplied by a Negative number is Positive. Each negative number cancels out the other. In A., there are 2 negatives, and 2 positives, so it would be a Positive. In B., There are 3 negatives, but there is a 0, and anything times 0 is 0, And 0 is neither negative nor positive. In C., All of the numbers are negative, so they cancel each other out, and make a positive. Lastly, In D., there is one positive, and three negatives. 2 Negatives cancel eachother out, and there is one negative and one positive remaining. A positive multiplied by a negative is also negative. So then the negative multiplied by the positive is negative.

Hope this Helps!

Answer:

4(-9)×(-3)(-1) is negative

Step-by-step explanation:

1.  -2(-7)×12(4) = 14×48 = 672

2.  -6(-7)×(-8)0 = 42×0 = 0

3.  -3(-2)×(-4)(-7) = 6×28 = 168

4. 4(-9)×(-3)(-1) = -36×3 = -108

What is the link download of SoundFont SF2 "General Midi, General Midi Level 2, Roland GS and Yamaha XG (Remastered)"​

Answers

The answer is 7
Hope this helps:)

Which number line represents 5/4?

Answers

D because 5/4 is equal to 1 and 1/4. Since d has a number line split into fours then that is the answer. Hope this helps.

Answer:

D.

Step-by-step explanation:

Determine 5/4 as a mixed number. 5/4 as a mixed number is 1 1/4.Eliminate the answer choices that are less than 1 or greater than 2 because 1 1/4 is between 1 and 2. In this case, you can now eliminate C.Eliminate the answer choices that are greater than 1 1/2 because 1 1/4 is between 1 and 1 1/2. In this case, you can now eliminate A.With your remaining answer choices, determine the number that each number line represents. You can see that B is split into sixths and five spaces are shaded, making it 6/5. On the other hand, D is split in fourths and 5 spaces are shaded, making it 5/4.With this information, you now know that D represents 5/4 or 1 1/4 and is your answer.

I hope this helped. Comment if you have additional questions.

125 to the 3rd power lies between

Answers

Answer:1953125

Step-by-step explanation: 125x125=15625x125=1953125

Multiply 125*125, 3 times

125*125*125=1,953,125

Answer = 1,953,125
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