Mathematics College

f(x) = -x? – 10x
Find f(-7)

F(x) = -x? 10xFind F(-7)

Answers

Answer 1

Answer:

f(-7) = 21

Step-by-step explanation:

f(-7)= - (-7)^2 - 10 (-7) = 21

Related Questions



Martel sold 7 cups of lemonade at his lemonade stand. How many fluid ounces did he sell?

Answers

Answer: Your answer is 56 fluid ounces

Step-by-step explanation: 1 cup (in the us) is equivalent to 8 fluid ounces (in the us) and 8 times 7 is 56!

Hope this helps, if not, comment below please!!!

Answer:

56 fluid ounces

Step-by-step explanation:

One cup has 8 fluid ounces and one fluid ounce is 0.13 cups.

cup * 8 = fl-oz

5. What is the quotient if you divide 9/12 - 1/6​

Answers

would be 7/12?? i’m pretty sure

54 hope it helps 54 that what is gave it to me

Drag each description to the correct location on the table. Each description can be used more than once.
Classify each polynomial based on its degree and number of terms.
Polynomial
Name Using Degree
Name Using Number of Terms
5x - 8x
-6- X + 34²
-0.7*²
trinomial
binomial
trinomial
linear
monomial
cubic
quartic
quadratic
quartic
quintic

Answers

Answer:

Cubic-binomial

Quintic-trinomial

Quartic-monomial

Linear-binomial

Quadratic-monomial

Step-by-step explanation:they all in order

The answers are follows:

5x²-8x             Cubic                     binomial

-6-x^5 - 3x²     Quintic                  trinomial

1/3 x^4             Quartic                  monomial

-0.7x²              Quadratic              monomial

What is Polynomial?

Polynomials are sums of terms of the form k⋅ xⁿ, where k is any number and n is a positive integer.

According to the table:

5x²-8x             Cubic                     binomial

-6-x^5 - 3x²      Quintic                  trinomial

1/3 x^4              Quartic                  monomial

-0.7x²               Quadratic              monomial

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A circle’s circumference is 600 m. What is the circle’s area?
a
36,000.17 m^2
b
180,067.87 m^2
c
57,275.17 m^2
d
300,000 m^2



Need this answer asap or My Moms going to KILL me

Answers

Answer:

A-36,000.17m^2

Step-by-step explanation:

10 points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

108cm²

Step-by-step explanation:

3x+x=4x

24÷4x=6

x=6

6×3=18

18×6=108

Snow is falling steadily in Syracuse, New York. After 2 hours, 4 inches of snow has fallen.
Write an equation that gives the amount of snow that has fallen after x hours at this rate.

Answers

Answer:

y = 2x

Step-by-step explanation:

y-int = 0

slope = 2

Can someone help me ASAP

Answers

Answer:

the y intercept is -4 and the slope is 1

Step-by-step explanation:

PLEASE ANSWER

What do degrees measure?

A. the incline of an angle

B. the orientation of an angle

C. the type of angle

D. the length of an angle

Answers

Answer:

I woulda said B too...

Step-by-step explanation:

14. Solve and check the solution .2x + 1/3 =
4/3*
O X = 1/3
O X = 1/2​

Answers

[tex]2x + \frac{1}{3} = \frac{4}{3} [/tex]

[tex]2x = \frac{4}{3} - \frac{1}{3} [/tex]

[tex]2x = \frac{3}{3} [/tex]

[tex]2x = 1[/tex]

[tex]\color{hotpink}x = \frac{1}{2} [/tex]

Therefore , the correct option is :-

[tex]\color{yellow}\mapsto\color{teal}x =\color{magenta} \frac{1}{2} [/tex]

Manuel has 5/8 of a pizza to share equally with his brother. What fraction of the original pizza will each person receive?

Answers

Answer:

1¼

Step-by-step explanation:

⅝ ÷½

=⅝ײ/1

=⁵/4

=1¼

Whenever you divide two fractions you rewrite it switching the division sign for multiplication and writing the reciprocal of the second fraction.

A fraction is written in the form of a numerator and a denominator where the denominator is greater than the numerator.

5/8 of the pizza is equally shared between two people.

The fraction of the original pizza that each person receives is 5/16 of the pizza.

What is a fraction?

A fraction is written in the form of a numerator and a denominator where the denominator is greater than the numerator.

Example: 1/2, 1/3 is a fraction.

We have,

Amount of pizza = 5/8

Equally shared between two people:

= 5/8 ÷ 2

= 5/(8x2)

= 5/16

This means that the fraction of the original pizza that each person receives is  5/16 of the pizza.

Thus,

5/8 of the pizza is equally shared between two people.

The fraction of the original pizza that each person receives is  5/16 of the pizza.

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3) If CDEF ≅ MNPQ, then de ≅ _____
A. MN
B. NQ
C. NP
D. PQ

Answers

The answer to this question is C. NP

Answer:

c. NP

Step-by-step explanation:

NP is in the same position as DE (the middle)

not sure need help ​

Answers

Answer:

8.2

Step-by-step explanation:

It is actually 64. Good Luck

Kelly bought a pen for $2.50, a pencil for $0.36, a notebook for $3.75, and a highlighter for $1.99. She used a coupon for 10% off. How much did she spend in total?

Answers

Hey hope this helps I got 7.74

4276 divided by 16. I need answers

Answers

Answer:

267.25

Step-by-step explanation:

4276/16=267.25

who helps me do this

Answers

Answer:

1. True

2. false.

3. true

4. false

5. true

Based on experience, Farmer Fern knows that 15% of her eggs will be damaged in
route to the stores. In a sample of 100 eggs, what is the probability that less than
13% will be damaged?

Answers

Answer: 0.2877

Step-by-step explanation:

Given : The proportion of eggs will be damaged in route to the stores = 15% = 0.15

Sample size = 100

Let p be the probability of her eggs will be damaged.

The probability that less than 13% will be damaged is given by :-

[tex]P(p<0.13)=P(\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}<\dfrac{0.13-0.15}{\sqrt{\dfrac{0.15\times(1-0.15)}{100}}})[/tex]

[tex]=P(z<-0.56)[/tex]

[tex]=1-P(z<0.56)\\\\= 1-0.7123\\\\= 0.2877[/tex]

Hence, the required probability = 0.2877

Whats the ratio of 40 to 30 I need help

Answers

Answer:

Answer: 75%

Step-by-step explanation:

I need help please!!!!

Answers

9. Divide -6 by 2 and then square it. -3^2=9

1. It took Lucy two hours to read the first 108 pages of a book. She read the last 48 pages in 75 minutes. What was Lucy’s average reading rate for the entire book in pages per hour?

Answers

Answer:

I have the same question

Step-by-step explanation:

Express each ratio as a fraction in the simplest form. 12 pennies to 24 pennies

Answers

Answer: 1:2

Step-by-step explanation:

24 ÷ 12 = 2

12 ÷ 12 = 1

Answer to the question is 1:2

given that g(x)= -(x-1)^3 , write an expression for h(x) in terms of x​

Answers

Answer:h(x) =-(x+5)^3

Step-by-step explanation:

A submarine descends to a depth of 600 feet below the surface in 10 minutes. At this rate, what integer represents the change, in feet, of the submarine's position after one minute?
I really need help.​

Answers

A submarine descends to a depth of 600 feet below the surface in 10 minutes. At this rate, what integer represents the change, in feet, of the submarine's position after one minute?

First you need to list what you're given.

A submarine descends to a depth of 600 ft below the surface in 10 minutes. The question is asking for the change of the submarine's position after one minute. This can be represented as fractions in terms of [tex]\frac{distance}{time}[/tex].

[tex]\frac{600}{10} = \frac{x}{1}[/tex]

You're looking for the value of x. First you need to cross-multiply.

[tex]600 \times 1 = 10 \times x\\600=10x[/tex]

Since you're looking for x alone, you need to divide both sides by 10. This will eliminate the 10 since x is being multiplied by 10, and 10 divided by 10 is 1, making it 1x or x.

[tex]\frac{600}{10} = \frac{10x}{10}[/tex]

[tex]60=x[/tex]

That means the submarine is descending at a rate of 60 feet per minute, which can be represented as -60.

If you're looking for the submarine's position after one minute, all you have to do is subtract 60.

600 feet below surface is represented as -600.

[tex]-600-60=-660[/tex]

The submarine's position after one minute is 660 feet below surface(-660).

Which is not a a equivalent Ratio?
a) 6:15
b) 2 :5
c) 12 : 25
d) 40:100​

Answers

Answer:

A

Step-by-step explanation:

If the sum of three consecutive numbers is 852, what is the middle one?

Answers

Divide the total by the quantity of numbers:

852/3 = 284

Because there are an odd quantity of numbers (3) the answer is the middle number.

The answer is 284

all real numbers between −14 and 14 inclusive

Answers

Answer:

-13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

Answer:

-14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, 1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14

need help plz can someone please help​

Answers

Answer:

D

Step-by-step explanation:

Answer:

d. 40

Step-by-step explanation:

how to write five hundred eight thousand in standard and expanded form?

Answers

Answer: Standard form would be 508,000 and Expanded form would be 500,000 + 8,000

Step-by-step explanation:

The square root of 144

Answers

Answer:

12

Step-by-step explanation:

Evaluate [4+(15+3)÷9]×7

Answers

Answer:

Evaluate [4+(15+3)÷9]×7 equals 42

Step-by-step explanation:

A student uses the following steps to prove the sine sum identity. The proof is incorrect. Which steps is incorrect

Answers

Answer:

4

Step-by-step explanation:

The incorrect step is Step 4, cos (π/2 -x) cos(-y) + sin (π/2 -x)sin(-y), the correct option is C.

What is Trigonometric Identity?

Trigonometric Identities are based on the trigonometric ratios used to solve Trigonometric equations.

The steps used to solve the trigonometric identity are :

Step 1 :  sin(x+y)

Step 2: cos ((π/2) - (x+y))

Step 3 : cos ( (π/2 -x) -y)

Step 4 : cos (π/2 -x) cosy + sin (π/2 -x)siny

Step 5: sinxcosy+cosxsiny

Therefore,the correct step is cos (π/2 -x) cosy + sin (π/2 -x)siny  and not cos (π/2 -x) cos(-y) + sin (π/2 -x)sin(-y) , the incorrect step is Step 4.

The complete question is attached with the answer.

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