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The ordered pair given in the first row of the table can
be written using function notation as
f(3) is
f(x) = -5 when x is

Answer:

D (-4, -9)

Step-by-step explanation:

midpoint formula:

(x₁ + x₂) / 2 , (y₁ + y₂) / 2

plug in C (2,7)

(2 + x₂) / 2 , (7 + y₂ ) / 2 = (-1, -1)

(2 + x₂) / 2 = -1

multiply each side by 2

2 + x₂ = -2

subtract 2 from both sides

x₂ = -4

(7 + y₂) / 2 = -1

multiply each side by 2

7 + y₂ = -2

subtract 7 from both sides

y₂ = -9

D (-4, -9)

Answer:

0.5

Step-by-step explanation:

there are 6 sides the probability of getting 3 is 3/6=1/2=0.5

Answer as a fraction = 1/6

This is because there is one side labeled "3" out of 6 sides total.

If you need the decimal form, then that is approximately 1/6 = 0.167

Answer:

A. Yes

B. No

C. Yes

D. Yes

Answer:

B

Step-by-step explanation:

J

Answer:

B

Step-by-step explanation:

Hope it help

Answer:

Step-by-step explanation:

If point P is in the interior of ∠OZQ, then ∠OZQ = ∠OZP+∠PZQ. Given m∠OZQ = 125 and m∠OZP = 62, to get m∠PZQ, we will substitute the value of the angles given into the expression above as shown;

∠OZQ = ∠OZP+∠PZQ.

125 = 62 + ∠PZQ.

subtract 62 from both sides;

125 - 62 = 62 + ∠PZQ -62

63 = ∠PZQ

Hence the angle  m∠PZQ is 63°

Answer:

2111.07

Step-by-step explanation:

541.3 ×

3.9

Multiply each number by the number above it and the result will appear

Answer:

2111.07

Step-by-step explanation:

hope this will help you

Answer:

10.25 or 10 and 1/4

Step-by-step explanation:

Answer:

10.25

Step-by-step explanation:

Assuming that XZ = 5x + 1 (not -5x + 1)

XY = XZ + ZY

20 = 5x + 1 + 3x + 5

20 = 8x + 6

14 = 8x

8x = 14

x = 14/8 = 1.75

ZY = 3x + 5

ZY = 3 * 1.75 + 5

ZY = 5.25 + 5

ZY = 10.25

Answer:

yes; see below

Step-by-step explanation:

28mn / 7n

the n's cancel out

28m / 7

28/7 = 4

you are left with 4m

4m = 4m

Answer:

it is not c. that is what I know

Step-by-step explanation:

The length of the actual trail will be 3 and 1/2 miles. The correct option is C.

The mathematical expression is the combination of numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also be used to denote the logical syntax's operation order and other properties.

Given that a trail map has a scale of 3 inches to 2 miles. The length of the actual trail will be calculated as:-

3 inches = 2 miles

1 inch = 2 / 3 miles

5¹/₂ inches = 5¹/₂ x  ( 2 / 3 )miles

5¹/₂ inches = 5.2 x ( 2 / 3 )

5¹/₂ inches = 3.5 miles = ( 2¹/₂) miles

Therefore, the length of the actual trail will be 3 and 1/2 miles. The correct option is C.

To know more about an expression follow

https://brainly.com/question/10724285

#SPJ2

Answer:

The answer is

Step-by-step explanation:

x² + x - 5 = 0

Using the quadratic formula

That's

From the question

a = 1 , b = 1 , c = - 5

Substitute the values into the above formula and solve

We have

We have the final answer as

Hope this helps you

Given :

Height of a falling object t seconds after being dropped from a height of 262 feet is given by f(t)= 262-16t^2 feet.

To Find :

The average velocity between times t=3 and t=4 s .

Solution :

Velocity is given by :

[tex]V=\dfrac{df}{dt}=-32t[/tex]

Now , average velocity is given by :

[tex]V_{avg}=\dfrac{V_4-V_3}{4-3}\\\\V_{avg}=\dfrac{(-32)(4)-(-32)(3)}{1}\\\\V_{avg}= -32\ feet/sec[/tex]

Hence , this is the required solution .

Answer:

[tex]B. \: \frac{1}{5} \cdot 45[/tex]

[tex]E.\: 0.2 \cdot 45[/tex]

[tex]D. \: \frac{20}{100}\cdot 45[/tex]

Step-by-step explanation:

% means /100

[tex]20\% = \frac{20}{100} \\\\20/100 =0.2\\= 0.2\cdot 45\\\\\frac{20}{100}=\frac{1}{5} \\\\= \frac{1}{5} \cdot 45[/tex]

Answer:

B, D, and E.

Step-by-step explanation:

20% is 20/100, or 0.2

so, if we put 20/100 instead of 20%, we get 20/100*45

the same goes for the rest of them. (remember, 1/5 is the same as 0.2)

Answer:

Real Numbers, Rational Numbers, Integers

Step-by-step explanation:

Answer:

[tex]\huge\boxed{-5.98}[/tex]

Step-by-step explanation:

The opposite of 5.98 is the negative one.

Since 5.98 is a positive integer, it's opposite would be the negative integer having a "-" sign.

So, the opposite of 5.98 is:

=> -5.98

Hi there!

~

An opposite number of n is the exact same number as n on the other side of the number line. The opposite of n = -n.

⇒ Since 5.98 is positive, it's opposite must be negative.

⇒ We multiply 5.98 by -1 to find the opposite:

Opposite of [tex]5.98 = -(5.98) = -5.98[/tex]

         ↓

∴Good luck∴

Answer:

m = 11/36

Step-by-step explanation:

6/7 m - 1/7 = 5/ 42

Multiply each side by 42 to clear the fractions

42(6/7 m - 1/7) = 5/ 42 *42

36m - 6 = 5

Add 6 to each side

36m -6+6 = 5+6

36m = 11

Divide each side by 36

36m/36 = 11/36

m= 11/36

Answer:

40/20, 40:20, 40 to 20

Step-by-step explanation:

20min/1hr

40min/1hr

Question order asks ratio from outside time to inside time so the 40 would come first. also, all the above are correct. You can write a ratio as a fraction, with a colon, or with the word to.

Answer:  32

Step-by-step explanation:

y = 17  

and you are give the expression y + 15  

so substitute the value of y into the expression and add them

17 + 15 = 32

Answer:

11, 12, 13, 14 and 15.

Step-by-step explanation:

This is because these numbers are consecutive and add up to 65

PLEASE GIVE BRAINLIEST

Answer:

11 + 12 + 13 + 14 + 15 = 65

consecutive numbers are numbers that don't have gaps in between

Answer:

x = +- sqrt 23

Step-by-step explanation:

positive and negative square root of 23.

Answer:

x=√ 23 and x=-√ 23

Step-by-step explanation:

2(x^2-7)+8=40

2x^2-6=40

2x^2=46

x^2=23

x=√ 23

x=-√23

Answer:

x = 10

Step-by-step explanation:

-28 = 22 - 5x

5x - 28 = 22

5x = 50

x= 10

Answer:

50

Step-by-step explanation:

-28 = 22 - 5x?

22 - 50 = -28

Hope it helps :)

Answer: D  (-3,5)

Step-by-step explanation:

Using both inequalities input the values for x and y to see if it fits the inequality .

y > - 2    

x + y < 4    

The first coordinates are (1,3)  Where 3 is the y value and 1 is the x value.

3 > -2      so this works because 3 is greater than -2

4 < 4   This does not work because 4 is not greater than 4 .

So the first point is not a solution to the systems of inequalities.

Now try the second point.

(0,4)    

4 > -2    4 is greater than -2  so it works for the first inequality.

0+ 4 < 4     0 plus 4 is 4  and 4 is not greater than 4 so the second points does not also work for the inequalities so it is not a solution.

Third point

(-2,-3)

-3 > -2    -3 is not greater than -2 so this means the points will not work for the system of inequalities.

Last point

(-3,5)  

5 > -2  5 is indeed greater than -2 so it fits the first inequality now try the second one.

-3 + 5 < 4     -3 +5 is 2   and 2 is less than 4 so it does work for both inequalities so D is the answer.

Answer:

C. 7.5m

Step-by-step explanation:

[tex]8m \: up= 3m \: above \\ 12m \: up = x \: above[/tex]

Cross multiply

[tex]8x = 12 \times 3 \\ 8x = 36[/tex]

Divide both sides of the equation by 8

[tex] \frac{8x}{8} = \frac{36}{8} \\ x = 4.5 \\ 3 + 4.5 = 7.5m[/tex]

Answer:

$540

Step-by-step explanation:

Let s be Alexandria's salary before taxes.

Let t be her take-home after taxes = $378

The question says her take-home is 7/10 of her salary before taxes

So to calculate what her salary was before taxes:

s x (7/10) = $378

We divide both sides by 7/10

S = 378 ÷ 7/10

S = 378x10/7

S = 3780/7

S = 540

Therefore from the calculations above, her salary before taxes was $540

Answer:

The answer is 7x+21

Step-by-step explanation:

You just multiply 7 by both x and 3 but keep them separate

Answer:

m<ABC = 41°

m<DBC = 35°

m<NDF = 77°

Step-by-step explanation:

Problem 1:

Given, m<ABD = 76°, m<ABC = (7x - 1), m<DBC = (5x + 5)

m<ABC + DBC = m<ABD (angle addition postulate)

[tex] (7x - 1) + (5x + 5) = 76 [/tex] (substitution)

Solve for x

[tex] 7x - 1 + 5x + 5 = 76 [/tex]

Collect like terms

[tex] 7x + 5x - 1 + 5 = 76 [/tex]

[tex] 12x + 4 = 76 [/tex]

Subtract 4 from each side

[tex] 12x + 4 - 4 = 76 - 4 [/tex]

[tex] 12x = 72 [/tex]

Divide each side by 12

[tex] x = 6 [/tex]

Find m<ABC

m<ABC = (7x - 1)

Plug in the value of x

m<ABC = 7(6) - 1 = 42 - 1 = 41°

Find m<DBC

m<DBC = (5x + 5)

Plug in the value of x

m<DBC = 5(6) + 5 = 30 + 5 = 35°

Problem 2:

<JKH and <NDF are corresponding angles. Corresponding angles are congruent.

Given that m<JKH = 77°, m<NDF = 77° (corresponding angles are equal).

Answer:

Sometimes

Step-by-step explanation:

Three line sometimes intersect

Answer:

21.

Step-by-step explanation:

f(x) = 2x^2 - 3x + 7.

When x = -2,

f(-2) = 2(-2)^2 - 3(-2) + 7

= 2(4) - (-6) + 7

= 8 + 6 + 7

= 21.

Answer:

21

Step-by-step explanation:

So we have the function:

[tex]f(x)=2x^2-3x+7[/tex]

And we want to find f(-2).

To do so, substitute -2 for x. Thus:

[tex]f(-2)=2(-2)^2-3(-2)+7[/tex]

Square:

[tex]f(-2)=2(4)-3(-2)+7[/tex]

Multiply:

[tex]f(-2)=8+6+7[/tex]

Add:

[tex]f(-2)=21[/tex]

And we're done!

Answer:

36

Step-by-step explanation:

it just is just trust me its right

Answer:

36.

Step-by-step explanation:

I Took The Quiz (On Edge) and I Solved It and it happened to be 36. Hope This Helps :).