Evaluating Expressions please help!!!

Evaluating Expressions Please Help!!!

Answers

Answer 1
-1 is the correct answer
Hope it helps

Related Questions

if the order of matrix A is mxp and the order of matrix B is pxn what is the order of matrix ?​

Answers

Answer:

mxn will b the order of matrix

Step-by-step explanation:

Express 2700 as a product of prime numbers or find the prime factorization of 2700 leaving
your answer in index form or notation

Answers

2700
27 100

9 3 10 10


3 3 2 5 2 5

answer

2^2 x 3^3 x 5^2

Karen already has $30 and earns $6.50 per hour as a lifeguard. She wants to buy a portable CD
player that costs at least $179.50. How many hours Karen must work to have enough money for the
CD player?

Answers

Answer:I think it’s 6.50x=117

After you solve, you should get 18 hours

Round your answer to THREE (3) decimal places. If you do not round correctly, your answer will be marked incorrect.

If necessary, add zeros to your decimal to have 3 decimal places.

Your answer will be counted wrong if does not have 3 decimal places.

Answers

Answer:

Step-by-step explanation:

you need to add all 5 numbers together, then divide my 5. the answer should be 89.6

A coordinate grid showing Time in hours on the x-axis and Distance from Start in miles. A line plotted passing through the 2 points at (0, 0) and (3, 180).
Abigail drives at an average speed of 60 miles per hour for 3 hours. The graph shows her distance versus time. Which statements are true? Check all that apply.

As Abigail’s time increases, her distance increases.
As Abigail’s time increases, her distance decreases.
At 2 hours, Abigail has traveled 120 miles.
At 1.5 hours, Abigail has traveled 100 miles.
At 3 hours, Abigail has traveled 180 miles.

Answers

Answer: 1,3, and 5

1.) As Abigail’s time increases, her distance increases.

3.) At 2 hours, Abigail has traveled 120 miles.

5.) At 3 hours, Abigail has traveled 180 miles.

Step-by-step explanation: i hope this helps :)

Answer:

A, C, E

As Abigail’s time increases, her distance increases.

At 2 hours, Abigail has traveled 120 miles.

At 3 hours, Abigail has traveled 180 miles.

Step-by-step explanation:

peep the attachment

To solve this question you have to use TAN COS SIN i give brainiest

Answers

Answer:

4.3

Step-by-step explanation:

Use cosine:

cos = adjacent / hypotenusecos ∠L = KL/JLcos 21° = 4/xx = 4 / cos 21°x = 4.3 (rounded)

Answer:

4.3

Step-by-step explanation:

Here we will use cosine to find the value..

[tex] \cos = \frac{adjacent}{hypotenuse} [/tex][tex] \cos∠l = \frac{kl}{jl} [/tex][tex] \cos21° = \frac{4}{x} [/tex][tex]x = \frac{4}{ \cos21° } [/tex][tex]x = 4.3[/tex] When rounded off...

Use the Pythagorean theorem to find x, in simplest radical form

Answers

Answer:

[tex]4\sqrt{21}[/tex]

Step-by-step explanation:

Pythagorean theorem is [tex]a^{2} +b^{2} =c^{2}[/tex].

Which in this case:

'c' is hypotenuse. (hypotenuse = 20)

'a' and 'b' are the other sides. (a = x, b = 8)

[tex]a^{2} +b^{2}= c^{2}[/tex] [tex]x^{2} +8^{2} =20^{2}[/tex] [tex]x^{2} + 64 = 400[/tex] [tex]x^{2} = 336[/tex]

Now we should just take square root from the both sides.

and the answer will be [tex]\sqrt{336}[/tex] or [tex]-\sqrt{336}[/tex], but a side of a triangle can not be a negative number! so the answer will be [tex]\sqrt{336}[/tex].

As you see [tex]\sqrt{336}[/tex] is not the simplest radical.

We can write [tex]\sqrt{336}[/tex] as [tex]\sqrt{16 * 21}[/tex].

And from the laws of radical we can write [tex]\sqrt{16*21}[/tex] as [tex]\sqrt{16} * \sqrt{21}[/tex].

[tex]\sqrt{16} * \sqrt{21} = \sqrt{16}\sqrt{21} = 4\sqrt{21}[/tex]

I hope it helps you. Please choose my answer as the brainliest.

Subtract 85 - 43. Simplify the answer and write as a mixed number?

Answers

Answer:

42

Step-by-step explanation:

Please help me! Me don't understand!

Answers

Answer:

the answer is A

Step-by-step explanation:

Show that the point (3, 7) lies on the line y = 2x + 1

Answers

Just plug in the point
x = 3 and y = 7
Y = 2(3) + 1
Y = 6 + 1
Y = 7
That’s how to prove it

find the output (y) of the function y = - 4/15 x + 24 if the input is 120. x = ________

Answers

Answer:

Step-by-step explanation:

i don't care

1. Please Determine the equation of the line from the tables and the graphs.

Answers

1. find equation of line with given data :

b) from the given table, we get y - intercept (c) = -4

now let's find slope (m) :

[tex] \dfrac{y_2-y_1}{ x_2 - x_1}[/tex]

[tex] \dfrac{0 - ( - 2)}{10 - 5} [/tex]

[tex] \dfrac{2}{5} [/tex]

so, the required equation will be :

[tex]y = \dfrac{2}{5} x - 4[/tex]

c) from the given graph we can see that y - intercept (c) = 3

now, let's find the slope (m) :

[tex] \dfrac{3 - 0}{0 - 7} [/tex]

[tex] - \dfrac{3}{7} [/tex]

the equation will be :

[tex]y = - \dfrac{3}{7} x + 3[/tex]

d) From this graph we get y - intercept (c) = -4

slope :

[tex] \dfrac{4 - 0}{4 - 2} [/tex]

[tex] \dfrac{4}{2} [/tex]

[tex]2[/tex]

so, required equation will be :

[tex]y = 2x - 4[/tex]

calvin works at smokin sally’s barbecue restaurant and keeps track of the numbers of customers who visit the restaurant over a four-day period..

If caliber made an average tip of $1.25 per customer, how much money did Calvin make in tips from Thursday to Sunday?

Answers

Answer:

Step-by-step explanation:

Dbbdhdbjsbsjsbsbns

Write the sum of 7divided by 7x^6+ 4 dividend by 7x^6 in simplest form, if x = 0

Answers

Answer:

0

Step-by-step explanation:

The equation if I read this correctly is:

(7 / 7x⁶+4) / 7x⁶

Using x = 0 you would have:

[7 / (7(0)⁶+4)] / 7(0)⁶

(7 / 0 +4) / 0

(7/4) / 0 which is the same as 7/4 x 0  = 0

Solve for x
1. x/5 + 4=6

A x= -1
B. x= -8
C. x= 13
D. x= 10
E. x=1/3
f. x=8​

Answers

Answer:

D. x=10

Step-by-step explanation:

6 - 4 = 2

5 x 2 = 10

10/5 + 4 = 6

:)

Solve for p.


3(p + q) = p


A. q = â€"two-thirds

B. q = â€"start fraction three over two end fraction

C. p = â€"two-thirds

D. p = â€"start fraction three over two end fraction


Solve for b, then find the value of b when a = 3.


4a = 2b â’ 7

A. â€"nine-halves

B. five-halves

C. nineteen-halves

D. 17


d = rt

A. r = dt

B. r equals t over d

C. r equals d over t

D. r equals d minus t


Find the width of a rectangle with a perimeter of 90 and a length of 15.

A. 90

B. 15

C. 45

D. 30

Answers

Answer: C

Step-by-step explanation:

thank me later

PLEASE SOMEOME HELP ME MY HW IS DUE TMR ITS 8TH GRADE ALGEBRA 1 LINEAR FUNCTIONS

PLEASE IM BEGGING ANYOME HELP ME

Answers

Get phtomath it gives you the answers and explanation on how to solve so you can pretend you did work and it’s free no adds

can u please help me

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The correct answer should be 50 feet per side. I hope this helped you.

LCD of the fractions below

1/3 And 5/8

Answers

Answer:

24

Step-by-step explanation:

LCD = 24

Equivalent Fractions with the LCD

1/3 = 8/24

5/8 = 15/24

Can you help me please?

Answers

I can’t really see the picture I’m sorry do you have another one

Two technicians are discussing scan-tool use. Technician A...

D. Technician A only IS INCORRECT!!!

Answers

Answer:C

Step-by-step explanation:

The answer should be C.

PLS ANSWER THE FOLLOWING QUESTION
AND I'LL MARK U AS BRAINLIST


STEP BY STEP EXPLANATION NEEDED

Answers

Answer:

140+x+x = 180°(co-interior angle)

140+2x=180°

2x=180°-140°

2x = 40°

x = 40°/2

x = 20°

check:

140+20+20 = 180

180=180

please help! Complete the function for this graph.

Answers

Answer:

y = - 2|x - (-2)| + 1  

Step-by-step explanation:

The general form of an absolute value function is y = a|x – h| + k, where a ≠ 0.

The value of a determines whether the graph opens up or down.  If a is negative, the graph opens down. This holds true, as the value of a = -2

The given graph for the absolute function has a vertex (h, k) of (-2, 1). This is the maximum point of the graph.  

Therefore, the missing values on the given equation is the value of the vertex.  It has to be written as  y = - 2|x - (-2)| + 1 because the equation on your given problem is formatted according to the general form of the absolute value function,  y = a|x – h| + k.  

Rhombus ABCD has vertices A(1,1), B(5,3), C(7.7), and D(3,5). After a translation, the image A'
is located at (-2,8). What are the coordinates of C'?

Answers

Answer:

C'(4, 14)

Step-by-step explanation:

HELP ASAP 23 POINTS!!!!!!!!!!!!!!!!!!!

Answers

Wheres ya question????

IF YOU DONT KNOW THE QUESTION, PLEASE DONT ANSWER IT FOR THE PONIS. I REALLY NEED IT

Answers

Answer:

-3x^2-10x+6

Step-by-step explanation:

the first mistake would be writing the 4x^2 as positive when it's supposed to be negative. the 1 is also supposed to be positive. correct difference would be:

(x^2-10x+5)-(4x^2-1)

=(x^2-4x^2)-10x+5+1

=-3x^2-10x+6

Answer:

Mistake in step 2

Step-by-step explanation:

(x^2-10x+5)-(4x^2-1)

x^2-10x+5-4x^2+1

-3x^2-10x+6

-(3 x^2 + 10 x - 6)

There is a mistake in step 2 in the picture,

-(4x^2-1)

Here, -*- =+ and -*+=-, this is done incorrectly here,

Can someone help me with this I'm confused ​

Answers

Answer:

bro sorry I can't help

Step-by-step explanation:

follow me mark as brainleast

If Chris looks at the clock 10 minutes into class and the clock reads 9:15 A.M., what time did class begin?

Answers

Answer:

9:05

Step-by-step explanation:

just took the text

hope this helps!!!!

Answer:

9:05

Step-by-step explanation:

:15- 10 =5

Three more than twice a number is less than negative fifteen.

Answers

Answer:

3+2x < -15

x<-9

I hope this helps : )

Answer:

Step-by-step explanation:

How many zeros are there for the square of 200? 2,3,4,6

Answers

Answer:

C. 4

Step-by-step explanation:

200² = (2*100)² = 4*10000, as we see there are 4 zeros

Correct choice is C

Answer:

4

Step-by-step explanation:

200²200×20040000

Hence, there are 4 zeros for the square of 200.

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