Multiply.
(x2 - 5x)(2x2 + x-3)
O A. 2x4 - 9x2 - 8x2 +15x
B. 2x4 - 9x2 - 9x2 - 15x
O c. 4x4 + 9x2 - 8x + 15x
O D. 2x4 + 9x38x2 + 15x

Lmk

Answer:

Step-by-step explanation:

5x3= 15

8x9=72

12x11=132

14x17=138

9x17=153

15+72+132+138+153=510

510/50=10.2= mean

Answer:

1/1000 for the 1st

1/100 for the 2nd

Step-by-step explanation:

0.1% is 0.001, which is 1/1000

1% is 0.01, which is 1/100

Answer:

0.1% = 10    1%=1/100

Answer:

D

Step-by-step explanation:

Tenth vs Hundreth.... ten times larger

Answer:

D. 0.73

Step-by-step explanation:

In the number 0.975, 7 stands for 7 hundredths i.e. 0.07

=> Multiplying 0.07 by 10 will make it 0.7 ( 7 tenths)

=> The number with 7 tenths or 0.7 is 0.73

Answer:

Brainliest!

Step-by-step explanation:

100% sugar syrup = 75/30 x 100 = 250

Answer:

Complete the statements about the system of linear equations represented by the tables.

The equation representing the left table is

✔ y = 1.5x – 6

The equation representing the right table is

✔ y = –4x + 6.1

The solution to the system of equations is

✔ (2.2, –2.7)

The statements  about the system of linear equations represented by the tables should be described below:

Find out more information about the  equation here:

https://brainly.com/question/2263981?referrer=searchResults

Answer:

0.0000047

Step-by-step explanation:

Simply move the decimal place 6 places to the left while filling in the zeros.

Answer:

[tex]x + 3y + 2z = 13 \\ 2x + 2y + 4z = 18 \\ 3x + 2y - 3z = 14 \\ \\ x = - 3y - 2z + 13 \\ 2( - 3y - 2z + 13) + 2y + 4z = 18 \\ 3( - 3y - 2z + 13) + 2y - 3z = 14 \\ y = 2 \\ z = \frac{25}{9} - \frac{7}{9} y \\ z = \frac{25}{9} - \frac{7}{9} \times 2 \\ z = \frac{11}{9} \\ x = - 3 \times 2 - 2( \frac{11}{9} ) + 13 \\ x = \frac{41}{9} \\ y = 2 \\ z = \frac{11}{9} [/tex]

Answer:

[tex]f=-\frac{5}{3}[/tex]

Step-by-step explanation:

[tex]-\frac{3}{4}f=\frac{5}{4}[/tex]

[tex](4)-\frac{3}{4}f=(4)\frac{5}{4}[/tex]

[tex]-3f=5[/tex]

[tex]\frac{-3f}{-3}=\frac{5}{-3}[/tex]

[tex]f=-\frac{5}{3}[/tex]

Answer:

[tex]f = - \frac{5}{3} \\ [/tex]

Step-by-step explanation:

[tex] \frac{ - 3f}{4} = \frac{5}{4} \\ cross \: \: multipication \\ - 12f = 20 \\ \frac{ - 12f}{ - 12} = \frac{20}{ - 12} \\ f = \frac{20}{ - 12} \\ f = - \frac{5}{3} [/tex]

hope this helps

brainliest appreciated

good luck! have a nice day!

Answer:

The answer is no, because 9 + 3 isn't greater than 15. Remember, to form a triangle the sum of the 2 shortest sides must be greater than the longest side.

Answer:

No, because 9 + 3 isn't greater than 15.

Step-by-step explanation:

The Triangle Inequality Theorem states that the 2 shorter legs of a triangle's sum must add up to be greater than the hypotenuse or the longest side. So 3, 9, and 15 don't make a triangle.

Answer:

The values of Y, E, A, R are "2, 9, 1, 0".

Step-by-step explanation:

The given equation is:

⇒  [tex]YYYY-EEE+AA-R=1234[/tex]

Let the values,

[tex]Y=2[/tex]

[tex]E=9[/tex]

[tex]A=1[/tex]

[tex]R=0[/tex]

On substituting the estimated values in the L.H.S of the given equation, we get

⇒  [tex]2222-999+11-0[/tex]

⇒  [tex]1223+11[/tex]

⇒  [tex]1234 \ i.e., R.H.S[/tex]

So that the possible values of Y,E,A,R will be "2, 9, 1 and 0".

Answer:

9, or -9

Step-by-step explanation:

9t=81 or -81

t=9 or -9

Answer:

[tex]t=9\\t=-9[/tex]

Step-by-step explanation:

[tex]|9t|=81[/tex]

[tex]9t=81\\9t=-81[/tex]

[tex]t=81 \div 9\\t=-81 \div 9[/tex]

[tex]t=9\\t=-9[/tex]

Answer:

Option B is the correct answer.

Step-by-step explanation:

B= {- 5, - 4.5, - 3}

Answer:

Part A: This can be solved using cancellation of units: Energy produced (ergs) = (3.9 x 10^ 33 ergs/ sec)( 1.55 x 10^7 sec) = 6.045 x 10^40 ergs Part B: The grooves within a CD is very small, therefore it would be more reasonable to have a value of 1.6 x 10^-3 mm

Hope this helped you!

Step-by-step explanation:

Answer:

C. Various fees paid when a home is finalized. I hope I helped ;)

Step-by-step explanation:

2 should be distributed as 2y + 12; y = 6

Step-by-step explanation:

The equation is...

[tex]2(y+6)=4y[/tex]

First, we need to distribute the 2 to the numbers in the parentheses. We will multiply them both by 2.

[tex]2y+12=4y[/tex]

Now we can subtract 2y from both sides. On the left it will cancel and on the right we will be left with 2y.

[tex]12=2y[/tex]

Now we can just divide and...

y = 6

Answer:

184

Step-by-step explanation:

edmund as a 2 by 2 cube

so samuel has a cuboid twice as long

2 x 2 = 4

3 times as wide

3 x 2 = 6

and 4 times as high

2 x 4 = 8

8 x 6 x 4 = 192 small cubes

but we are trying to find how much more samuel got

so 192 - 8 = 184

Answer:

D.) 184

Step-by-step explanation:

Its kinda like solving for "X"-

Isolate "x" on one side of the algebraic equation by adding the negative number that appears on the same side of the equation as the "x." For example, in the equation "x - 5 = 12", rewrite the equation as "x = 12 + 5" and solve for "x." The solution is "x = 17." A linear algebraic equation is nice and simple, containing only constants and variables to the first degree (no exponents or fancy stuff). To solve it, simply use multiplication, division, addition, and subtraction when necessary to isolate the variable and solve for "x". Here's how you do it: 4x + 16 = 25 -3x = ____.  We have 4 ways of solving one-step equations: Adding, Substracting, multiplication and division. If we add the same number to both sides of an equation, both sides will remain equal.

*Plus i got it Right*

:D

Answer:

Comprimento: 28.9 m; Largura: 11.1 m

Step-by-step explanation:

P = 2(C + L) = 80

A = CL = 320

2(C + L) = 80

CL = 320

C + L = 40

CL = 320

C = 40 - L

CL = 320

(40 - L)L = 320

40L - L^2 = 320

L^2 - 40L + 320 = 0

aL^2 + bL + c = 0

[tex] L = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a} [/tex]

[tex] L = \dfrac{-(40) \pm \sqrt{(-40)^2 - 4(1)(320)}}{2(1)} [/tex]

[tex] L = \dfrac{40 \pm \sqrt{1600 - 1280}}{2} [/tex]

[tex] L = \dfrac{40 \pm \sqrt{320}}{2} [/tex]

[tex] L = \dfrac{40 \pm \sqrt{64 \times 5}}{2} [/tex]

[tex] L = \dfrac{40 \pm 8\sqrt{5}}{2} [/tex]

[tex] L = 20 \pm 4\sqrt{5} [/tex]

[tex] L \approx 28.9 [/tex] or [tex] L \approx 11.1 [/tex]

L = 28.9

C = 40 - L = 40 - 28.9 = 11.1

Answer: Comprimento: 28.9 m; Largura: 11.1 m

Answer:

n = 18

Step-by-step explanation:

I found the ratio between the 2 similar triangles by divide 9 by 4. After I found the ratio to be 9:4, I simply multiplied 8 by 9/4. This gave me 18 as the answer.

Answer:

-21/10

Step-by-step explanation:

-2/5 - 4/5 + (-9/10) = -6/5 -9/10 = -12/10 -9/10 = -21/10

Answer:

-21/10

Step-by-step explanation:

Plug in 4/5 for x and simplify.

-2/5 - 4/5 + (-9/10)

-6/5 + (-9/10)

-21/10 or -2 1/10

I hope this helps :))

Answer:

words per minute!

Step-by-step explanation:

Answer:

C

Step-by-step explanation:

[tex]\sqrt{3}\cdot\sqrt{21}= \\\\\sqrt{3\cdot 21}= \\\\\sqrt{63}= \\\\3\sqrt{7}[/tex]

Therefore, the correct answer is choice C. Hope this helps!

Answer:

3√7

Step-by-step explanation:

√3×√21=√63

√63=√7×√9=√7 × 3

=3√7

Answer:

1. 6, 15

2. 324,972

3. 28, 31

4. 16, 14

Step-by-step explanation:

Answer:

1. 6, 15

2. 324,972

3. 28, 31

4. 16, 14

Step-by-step explanation:

Answer:

£4 and £6

Step-by-step explanation:

Total = £10

Ratio = 2:3

Total Parts = 2+3 = 5

Divide it by the Total

=> 10/5 = £2

Multiply it by the ratios

1) 2 * 2 = £4

2) 3 *2 = £6

Answer:

4:6

Step-by-step explanation:

2+3=5

10/5=2

3x2= 6

2x2=4

4:6

Answer:

first anwer is the correct one

Step-by-step explanation:

if we power to n we got

[tex](n\sqrt{a})^n = x^n[/tex]

then [tex]a = x^n[/tex]

Answer:

c

Step-by-step explanation:

Khan academy

Answer:

-2 3/4, -2, -1 1/2, -0.8, -1/3, 0.2

Answer:

-2 3/4

-2

-1 1/2

-0.8

-1/3

0.2

Step-by-step explanation:

you change the fractions into decimals

-1 1/2 = -1.5

0.2 = 0.2

-1/3 = -0.3

-2 = -2

-2 3/4 = -2.75

-0.8 = -0.8

then you put them in order

Answer: 21pi / 5

Step-by-step explanation:

Given the following :

Theta (θ) = 3π / 5

radius (r) = 7cm

The length of an arc is calculated using the formula:

(θ / 360) × 2πr

Inputting the provided values into our formula;

θ = 3π/5 = (3 × 180)° / 5 = 540°/5 = 108°

Length = (108 / 360)° × 2π × 7

Length = (3/10) × 14π

Length = 42π / 10

Length = 21π / 5 cm

Answer:

Option B.

Step-by-step explanation:

Continuous probability distribution : A probability distribution is called a continuous probability distribution, if its random variable X is a continuous variable and it can take infinite values (Real values).

Number of boxes cannot be a decimal value. So, it is not a continuous variable. Thus, option A is incorrect.

Temperature of a day is a continuous variable. So, temperature of a day can be represented using a continuous probability distribution. So, option B is correct.

Marks in a test paper cannot  represent a continuous variable. Thus, option C is incorrect.

Number of students who uses the internet cannot be a fractional or decimal value. So, it is not a continuous variable. Thus, option D is incorrect.

Therefore, the correct option is B.

Answer:

x = 65; y = 10

Step-by-step explanation:

Theorem:

If two parallel lines are cut by a transversal, then same-side interior angles are supplementary.

The three lines are given as parallel, angles 60 deg and (2x - y) deg are supplementary, and angles (2x + y) deg and 40 deg are supplementary. The sum of the measures of supplementary angles is 180. That allows us to write two equations.

2x - y + 60 = 180

2x + y + 40 = 180

Now we simplify the 2 equations.

2x - y = 120

2x + y = 140

Since -y and y are opposites, we can add the equations to eliminate variable y.

4x = 260

x = 65

Now we substitute 65 for x in the first equation of the system of equations and solve for x.

2x - y = 120

2(65) - y = 120

130 - y = 120

-y = -10

y = 10

Answer: x = 65; y = 10

Answer:

6.9 =x

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

sin theta = opp/hyp

sin 35 = x/12

12 sin 35 = x

6.882917236 = x

To the nearest tenth

6.9 =x