Mathematics College

Find the value of the expression below for x=10

x ^2 - 2 (x + 5)

Answers

Answer 1

Answer:

Step-by-step explanation:

your welcome!!

Answer 2

Hopefully this helps

Related Questions

What is 7÷854 can you answer this question it is hard.

Answers

Answer:

0.00819672131 or 8.19x10^-3

just put it in a calculator

Answer:

Hey! so the answer is 0.00819672

Step-by-step explanation:

Just simply divide

Hoped this helped! Have a great day! Im Eve btw. Also consider marking this brainliest. Thank you in advanced if you do!✨

Find the value of x.
PLEASE HELP this test is timed <3

Answers

Answer:

Step-by-step explanation:

180 - 123 = 57

57/3 = 19

hope this helps

I need help with math anyone points and brainlest

Answers

Answer:

B. the squares

Step-by-step explanation:

2 times 2.5 is 5

Answer:

The second option with the square.

2 x 2.5 = 5

2.5 is the scale factor

PLEASE HELP ASAP, I HAVE 10 MINUTES ;
Arianna and her children went into a grocery store where they sell peaches for $1 each and mangos for $0.50 each. Arianna has $9 to spend and must buy at least 13 peaches and mangos altogether. If x represents the number of peaches purchased and y represents the number of mangos purchased, write and solve a system of inequalities graphically and determine one possible solution.

Answers

Answer:

Step-by-step explanation:

when 13 bought we find these inequalities

x + 12y < 7 no

2x + 11y < 7.5 no

3x + 10y < 8 no

4x + 9y < 8.5 no

5x + 8y > 9 yes

When 14 bought we find these inequalities

x + 13y < 7.5 no

2x + 12y < 8 no

3x + 11y < 8.5 no

4x + 10y > 9 yes

We want to find and solve a system of inequalities to determine some possible solutions to Arianna's situation.

The possible solution is:

x = 2

y = 12

And the graph can be seen at the end.

Now let's see how to solve this.

First, we need to write the system of inequalities, the information given is:

Price of each peach = $1.Price of each mango = $0.50Arianna has $9.Arianna must buy at least 13 fruits.

Now we can define the variables:

x = number of peaches that she buysy = number of mangos that she buys

Then we must have:

x + y ≥ 13 (this means that she buys at least 13 fruits)

x*$1 + y*$0.50 ≤ $9 (this means that she can't spend more than $9)

Now we just need to graph these two lines, we can rewrite them as:

y ≥ 13 - x

y ≤ $9.00/$0.50 - x*$1/$0.50 = 18 - x*2

Then we just need to graph the two lines, and shade the region above the first one, and the region below the second one, the graph can be seen below:

Any point inside the double shaded region in the first quadrant is a possible solution. (we restrict only to the first quadrant because we can not use negative values for x nor for y).

Then a possible solution that we could choose is:

x = 2

y = 12

This means that she buys 2 peaches and 12 mangos.

If you want to learn more, you can read:

https://brainly.com/question/19526736

What is the volume of the triangular prism shown below?
8 cm
3 cm
13 cm

Answers

Answer:

312

Step-by-step explanation:

8 x 3 = 24

24 x 13 = 312

HELP IMMDEIALEYELLYLEYLEYLELYELYLEYLELY MATH

Answers

Answer:

10n+10

Step-by-step explanation:

10n+10

Explanation:

When n=0 that must mean that you always add 10. From there it's pretty obvious that it's increasing by 10 each time, meaning that you multiply n by 10 as well

What percent is 40 out of 50

Answers

Answer: 40 out of 50 can be re-written into 80%.

Step-by-step explanation: 40 out of 50 is the same thing as 4/5. 1/5 is 20%. Four 20%s is 80%

Answer:

80%

Step-by-step explanation:

40/50 x 100%= 80%

hope this helped

Please Help CRieS aAaAaAaAA

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Answer:

calme please helpppppooppo

Answer:

kklj

Step-by-step explanation:

find the vertical asympotes y= 3/ x+5

Answers

Answer:

the vertical asymptotes is x= -5

how to write 8 + 9x in algebraic expression

Answers

Answer:

17x

Step-by-step explanation:

Answer:

8+9+x?

Step-by-step explanation:

Jon has $4.68 more than his brother, Amos.
If Jon has $79.32, how much money does Amos
have?

Answers

Answer:

74.8

Step-by-step explanation:

79.32-4.68= 74.8

Answer: The answer is 74.64. Amos has $74.64. Hope I helped :)

Step-by-step explanation:

Slope of (-3.6) and (-3,0)

Answers

Answer:

the slope for the points is 6

Step-by-step explanation:

2(a+b)=0

A 2a + b
B. 2+a+b
C. 2a + 2b
D. 1a + b
E 1 / + 1 26

Answers

......the answer is 2a + 2b

a factory has 8 more than 10 times as many doors as a school which has s doors. how many doors does the factory have

Answers

Answer: 80

Step-by-step explanation:

8 times more than ten is 80

The factory has 10s + 8 doors.

(5x+2)(x2-3x+6)
How do I do this and what’s the answer

Answers

you need to use pemdas i will give i the answer in a minute

Answer:

5x³-13x²+24x+12

Step-by-step explanation:

Start by distributing (5x+2) into (x²-3x+6)

It is easiest to start with 5x.

When distributing 5x, your answer should be: 5x³-15x²+30x.

Then, distribute the 2 just as you did for 5x.

Your answer for that should be: 2x²-6x+12

After that, add the like- terms from both answers together.

5x³-15x²+30x+2x²-6x+12

The final answer is then: 5x³-13x²+24x+12

1)carla tiene 628 galletitas para preparar una torta, cada piso tendra 24 galletitas¿cuantos pisos puede armar?,¿le sobran galletitas o le alcanza justo?

POR FAVOR ES PARA HOY

Answers

Answer:

puede hacer 26 pisos y le sobran 4 galletas

Y=20 when x=2 find y when x=5

Answers

Y=50 when y equals 5

I NEED HELP ON THISSSSS ITS DUE TOMMOROW

Answers

Answer:

Step-by-step explanation:

Answer:

1: yes, 2: yes, 3: can't see, 4: no, 5: yes, 6: can't see, 7: yes, 8: no, 9: can't see, 10: no, 11: yes, 12: can't see, 13: n = 4, 14: v = 15, 15: can't see.

Step-by-step explanation:

Questions 3, 6, 9, 12, and 15 aren't visible enough for me to help you with those.

Estimate the difference. 9,136 - 3,572

Answers

Answer:

5564

Step-by-step explanation:

Answer:

5560

Step-by-step explanation:

Find the value of x so that the ratios are equivalent.
1:8 and 4:x
X =

Answers

Answer:

Step-by-step explanation:

1 : 8 = 4 : 32

So, 4 : x = 4 : 32

x = 32

The value of x from the given ratios is 32.

Given that, the ratios 1:8 and 4:x are equivalent.

What is the ratio?

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

Here,

1:8 =1/8

4:x =4/x

Ratios are equivalent 1/8 = 4/x

x= 4×8

x=32

Therefore, the value of x from the given ratios is 32.

To learn more about the ratio visit:

brainly.com/question/13419413.

#SPJ2

Which point is a reflection of (-4,-3) across the y-axis?
O (3, 4)
O (4, -3)
O (-3,-4)
O (4,3)

Answers

Answer:

The point after the reflection of (-4,-3) across the y-axis is:

(4, -3)

Hence, option B is correct.

Step-by-step explanation:

When a point P(x, y) is reflected across the y-axis, we reverse the sign of the x-coordinate while the y-coordinate remains the same.

Thus,

The rule to reflect a point across the y-axis is:

P(x, y) → P'(-x, y)

In our case, we are given the point (-4, -3)

Let say the point is A(-4, -3)

Thus, using the rule to reflect a point across the y-axis is:

P(x, y) → P'(-x, y)

A(-4, -3) → A'(-(-4), -3) → A'(4, -3)

Therefore, the point after the reflection of (-4,-3) across the y-axis is:

(4, -3)

Hence, option B is correct.

Could use some help pls.

Answers

Answer:

9 cans of soup and the 4 frozen dinners were purchased

Step-by-step explanation:

Let x represent the number of cans of soup purchased.

Let y represent the number of frozen dinners purchased.

Lincoln purchased a total of 13 cans of soup and frozen dinners. This means that

x + y = 13

Each can of soup has 250 mg of sodium and each frozen dinner has 550 mg of sodium. The 13 cans of soup and frozen dinners which he purchased collectively contain 4450 mg of sodium. This means that

250x + 550y = 4450 - - - - - - - - -1

Substituting x = 13 - y into equation 1, it becomes

250(13 - y) + 550y = 4450

3250 - 250y + 550y = 4450

- 250y + 550y = 4450 - 3250

300y = 1200

y = 1200/300

y = 4

Substituting y = 4 into x = 13 - y, it becomes

x = 13 - 4 = 9

someone help whats the work for what is 107% of 150

Answers

Answer:

If it's 107% of 50 the answer would be 53.5

If it's 107% more than 50 it would be 103.5

Step-by-step explanation:

107% of 50 is 53.5

50 × 107% = 53.5

+50

--------

103.5

Answer:

160.5

Step-by-step explanation:

you but 107% 150 = what it well give you the answer

Help help help help help pls

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The answer is c maybe but I might be wrong and I might be correct but who knows unless you pick C

help please !! ASAP
---------------------------------

Use the ratio table to solve the percent problem.

What percent is 6 out of 30?

2%

6%

20%

30%

Answers

Answer:

20%

Step-by-step explanation:

6x5=30

20x5=100

Answer:

30 is the correct answer

At a fair cake-eating contest, Bobby ate three cakes in 20 minutes. At the same speed, how long did it take to win the contest by eating twenty-one cakes? Give your answer in minutes

Answers

Answer:

140 minutes

Step-by-step explanation:

First divide 21 by 3 to get 7

Then do 20*7 to get 140 :)

Gabriella took a Spanish test with 50 questions and answered 44 of them correctly. What percent of the questions did grabrielle answer correctly

Answers

Divide 44 by 50

.88

Step-by-step explanation:

88%

Answer:

88%

Step-by-step explanation:

the number of correct answers (44) divided by the total questions (50) = 88%

I need help with number 9, plz help me

Answers

i can’t see the whole question, so i tried to answer as much as i could think of

Which ordered pairs show the location of the Empire State Building? Check all that apply. (1 and one-half, 1) (1, 1 and one-half) (–1.5, –1.0) (1.5, 1.0) (1.0, 1.0) nevermind

Answers

I know you said never mind but the answer is a and d if it's wrong im sorry but i got it right on mine

Answer: a & d

Step-by-step explanation:

The whole bar weighs 40 grams. How much does 1/5
of the bar weigh?

Answers

Answer:

8 grams

Step-by-step explanation:

if 5/5 is 40 grams, you divide 40 by 5 to get 1/5

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Find the value of the expression below for x=10 x ^2 - 2 (x + 5)

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Find the value of the expression below for x=10

x ^2 - 2 (x + 5)