Mathematics College

i need help with my grade 10 math work

a) x2+ 7x − 8
Product =
Sum =
Numbers =

Answers

Answer 1

Answer:

(x-1) and (x+8).

Step-by-step explanation:

The given expression is :

[tex]x^2+7x-8[/tex]

We need to find the factors of this expression.

Product of two numbers = 8 and -1 = -8

Sum of two numbers = 8 and -1 = 7

So,

[tex]x^2+7x-8=x^2+8x-x-8\\\\=x(x+8)-1(x+8)\\\\=(x-1)(x+8)[/tex]

So, the factors of this expression are (x-1) and (x+8).

Related Questions

Oriole Rental Company provided the following information to its auditors. For the year ended March 31, 2017, the company had revenues of $876,223, general and administrative expenses of $352,479, depreciation expenses of $131,455, leasing expenses of $108,195, and interest expenses equal to $78,122. If the company's average tax rate is 34 percent, what is the cash flow from operating activity for Oriole Rental? (Round intermediate calculations and final answer to the nearest whole dollar, e.g. 5,275.) Cash flow from operation

Answers

Answer:

the cash flow from operation is $267,397

Step-by-step explanation:

Given that

Revenues be $876,223

General and admin expense $352,479

Depreciation expense $131,455

Leasing expense $108,195

Interest expense $78,122

Tax rate is 34%

We need to find out the cash flow from operation

As we know that

Cash flow from operation = (Revenue - general & admin expense - depreciation - leasing - interest) × (1 - tax rate) + depreciation

= ($876,223 - $352,479 - $131,455 - $108,195 - $78,122) × (1 - 0.34) + $131,455

= $205,972 × (1 - 0.34) + $131,455

= $267,397

Hence, the cash flow from operation is $267,397

Divide. Round your answer to the nearest whole number.

Answers

It will be 6609 if rounded to the whole number

3 An expression is shown below
3 +8+4x2 - 12
Place the parenthesis in the expression
so that it has a value of 18.

Answers

answer is (3+8+4) x 2 -12
3+8+4 = 15
15 x 2 = 30
30-12= 18

I am doing this test and I need questions questions ASAP I will give brainiest to whoever answers it correctly

Answers

Answer:

The correct answer there is the first option

Graph y=-(4)
X PLS HELP

Answers

Answer:

this is a horizontal line which crosses the y-axis at -4

Step-by-step explanation:

In the following triangle what is the length of the hypotenuse?

Answers

Answer:

Hypotenuse: 6

Step-by-step explanation:

Sin45°=(BC/AC)

Sin45°=(3√2/AC

1/√2=3√2/AC

AC=3×2=6

so hypotenuse = 6

hope it helps

have a great day!!

Answer:

6

Step-by-step explanation:

here's your solution

=> sin 45° = perpendicular/hypotenuse

=> sin 45° = 1/√2

=> perpendicular = 3√2

=> 1/√2 = 3√2/hypotenuse

=> Hypotenuse = 3*√2*√2

=> Hypotenuse = 3*2

=>. Hypotenuse = 6

hope it helps

Please help, only if you know though thank you

Answers

The answer is x=10.295 roughly. You get this by using Pythagorean theorem, a^2 + b^2 = c^2. You just plug in the numbers to get the last side, 9^2 + 5^2 = c^2 and solve. 81 + 25 = c^2, 106 = c^2, then you take the square root of 106 to get your answer, c = 10.295.

Which describes the underlined part of the statement?
7x + 4 = 18
O variable
O coefficient
O equation
O term
Brown

Answers

Answer:

variable

this corect answer for this question

Equation so -4 to 18 then divide

-4x+3x<4 what is the awenswer to this equation

Answers

Answer:

X > -4

Step-by-step explanation:

Collect the like terms which literally leaves you with -x<4

Then just changes the signs, hence the answer.

Please mark brainliest!

I need help please don’t scam or no brainlist

Answers

Answer is d if not it’s b hope this helps

What is the Place value of 3.35

Answers

Answer:

3.35 = (3 * 100) + (3 * 1/101) + (5 * 1/102)

3.35 = (3 * 1) + (3 * 1/10) + (5 * 1/100)

3.35 = 3 + 3/10 + 5/100

3.35 = 3 + 0.3 + 0.05

55 times 4 and time 3 equals what?

Answers

Answer:

55 times 4 =220

220 times 3 =660

1
Write the equation of a circle whose center is at (-11,–8) and whose radius is 4.

Answers

Answer:

Step-by-step explanation:

[tex](x_c,y_c)=(-11,-8) \quad r=4\\(x-x_c)^2+(y-y_c)^2=r^2 \quad (x+11)^2+(y+8)^2=4^2[/tex]

2(x+3) = 5x+10 - x

Explain your reasoning

Answers

Answer:

x= -2

Step-by-step explanation:

2(x+3)=5x+10-x (we need to distribute first)

2x+6=4x+10   (then add like terms)

-2x=4    (now divide)

x= -2

Please Help i need this done

Answers

Answer:

i think u add 2.5 everytime

Step-by-step explanation:

for example start with(0, 2.5) 0n the graph then add 2.5 to 2.5 then keep adding if im wrong srry

ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP ASAP NEED HELP​

Answers

Step-by-step explanation:

11.True

12.False

13.False

14.False

15.True

16.False

17.False

18.True

19.True

20.False

Answer:

here

Step-by-step explanation:

Rewrite the polynomial 2x2 + x + +-7x + 1 in standard form.​

Answers

Answer:

x-7x+5

Step-by-step explanation:

4+x-7x+1

x-7x+5

Pleaseeeeeeeeeeeeeeeeeeeeeeeee

Answers

Answer:

2 terms

Step-by-step explanation:

I hope it will help you

I git dune wif this in 3 minits
782+821=___
2x2=___​

Answers

782 + 821 = 1,603


2x2 = 4

Answer:

♡♡♡♡♡♡♡♡♡♡♡♡

Step-by-step explanation:

782 + 821 = 1,603

2 x 2 = 4

Select ALL the correct answers.
Which shapes have the same volume as the given rectangular prism?
8 cm
15cm
base area = 50 cm
Answers
A.) 15cm 5cm height base area 50 cm
B.) 8cm 5cm height base area 50 cm
C.) 24 cm height base area 50 cm
D.) 18 cm 15 cm height base area 50 cm

Answers

Answer: I think it’s A the cylinder

Step-by-step explanation:

For PLATO users, the answers are the cylinder and the cone, NOT EITHER OF THE PYRAMIDS!!! Your welcome....

Yesterday, there were 30 problems assigned for math homework. Nancy did 10% of them correctly. How many problems did Nancy get wrong?
1.) 5
2.) 10
3.) 20
4.)27​

Answers

Answer:

i dont know if this is right but im pretty sure its 5

Step-by-step explanation:

Answer:

4.) 27

Step-by-step explanation:

Just take 30 and - 10% = 27

Because you are looking for the wrong one so you always have to see how many it was before and how many it was after. Sometimes you can minus the number and then that's the answer you get from minusing

which scatterplot most likely has a line of best fit represented by y=-2x-1?
NO LINKS PLS

Answers

Answer:

The answer to your question is the letter C

Answer:

I think it is c

Step-by-step explanation:

Lucy buys a greeting card for $4.50 She then buys 5 postcards that all cost the same amount. The total cost is $7.00 How much is each postcard?

Answers

So as u can do $1.40 x 5 will = $7.00 so then the amount will be 1.40 each

........................

Answers

Answer:

.......................................................................................................................

Step-by-step explanation:

nice enjoy this picture of le doggo

Daryl had a $33 credit on his phone bill. He was then
charged $39 for this month's usage. What is his new
balance?

Answers

Answer:

6

Step-by-step explanation:

Plato

If there are 7 days in a week, how many days are there in 6 weeks? ​

Answers

Answer:

42

Step-by-step explanation:

Answer: 42

Step-by-step explanation: 7 x 6 = 42

The board of a major credit card company requires that the mean wait time for customers when they call customer service is at most 4.50 minutes. To make sure that the mean wait time is not exceeding the requirement, an assistant manager tracks the wait times of 53 randomly selected calls. The mean wait time was calculated to be 4.94 minutes. Assuming the population standard deviation is 2.10 minutes, is there sufficient evidence to say that the mean wait time for customers is longer than 4.50 minutes with a 98% level of confidence?
1. State the null and alternative hypotheses for the test.
2. Compute the value of the test statistic.
3. Draw a conclusion and interpret the decision.

Answers

Answer:

H0 : μ = 4.50

H1 : μ > 4.50

Test statistic = 1.525

we conclude that there is no sufficient evidence to conclude that the mean wait time for customers is longer than 4.50.

Step-by-step explanation:

H0 : μ = 4.50

H1 : μ > 4.50

Test statistic :

(xbar - μ) ÷ s/sqrt(n)

(4.94 - 4.50) ÷ 2.10/ sqrt(53)

0.44 / 2.10/ sqrt(53)

= 1.525

α = 1 - 98% = 0.02

Decision region :

Reject H0 ; if Pvalue < α

Pvalue = p(Z < 1.525) = 0.936

Pvalue = 0.936

Since Pvalue > α ; We fail to reject H0

Hence, we conclude that there is no sufficient evidence to conclude that the mean wait time for customers is longer than 4.50.

Without using your calculator work out 1 7/12 + 13/20. Give answer in its simplest from

Answers

Answer:

31/15

Step-by-step explanation:

First, find the common multiplier of 20 and 12 (the lowest number that both fractions can be increased to). This is 60 (12 x 5 = 60, 20 x 3 = 60) and adjust the numerators accordingly: multiply 17 by five to get 85, and multiply 13 by three to get 39. Add them up to get 124/60, and then simplify - the answer will be 31/15! Hope this helps! Sorry if this was tough to understand, typing off my phone, so feel free to ask any questions :)

Answer:

0.720833

Step-by-step explanation:

First find the LCM of the two fractions

Then add the numerators together

form a single fraction

Lastly cancel the numerator and denominator if possible

2 A line passes through the point (9,-8) and has a slope of 3 ving Write an equation in point-slope form for this line.​

Answers

Answer:

y=3x-35

Step-by-step explanation:

y=ax+c

a=slope=3; x and y are given, 9 and -8. put into the formula and solve for c.

-8=9*3+c

-35=c

y=3x-35

x = 8 – 2y

x + 3y = 12

Answers

9514 1404 393

Answer:

  (x, y) = (0, 4)

Step-by-step explanation:

Since we have an expression for x, substitution works nicely.

  (8 -2y) +3y = 12 . . . . . . use the first equation to substitute for x in the 2nd

  y = 4 . . . . . . . . . . . . subtract 8, collect terms

  x = 8 -2(4) = 0 . . . . substitute for y in the first equation

The solution is (x, y) = (0, 4).

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