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14 + 18 ÷ 2 x 18 – 7 5) 60 – 9 x 8 ÷ 8 x 6





15 x 10 + 12 ÷ 3 + 9 6) (10 ÷ 5)3 + 100 – 9 x 11





8 x 4 + 9 – 9 + 18 7) 3 x 8 x 2 – 42 + 5

Answer.

(x+4)×(x-7)

= x^2 - 7x + 4x - 28

= x^2 - 3x - 28

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Answer:

1 3/10

Step-by-step explanation:

3 7/10 - 2 2/5 =

3 7/10 - 2 4/10 =

1 3/10

Answer:

1 3/10

Step-by-step explanation:

Change the denominator of 2 2/5 to 10 to match denominators by multiplying 2 (numerator and denominator)

New equation: 3 7/10 - 2 4/10 = 1 3/10

Answer:

A reflection over the line y = 3.

Step-by-step explanation:

You will draw a straight vertical line on 3 and then count the spaces. If you have equal space on both sides then your answer is right.

Step-by-step explanation:

-x=6+2y

2y=-x-6

y= -x/2 -3

Answer: a) 25%

b) 75% Chebyshev interval around the sample mean=(6,18)

Step-by-step explanation:

Given: Sample mean: [tex]\overline{x}=12[/tex]

Sample standard deviation: s= 3

a) Coefficient of variation = [tex]\dfrac{s}{\overline{x}}\times100[/tex]

[tex]\\\\=\dfrac{3}{12}\times100\%=\dfrac{100\%}{4}\\\\=25\%[/tex]

b) According to the Chebychev's theorem,

75% of the population lies within 2 standard deviations from the sample mean.

i.e. 75% Chebyshev interval around the sample mean. = [tex](\overline{x}-2s,\ \overline{x}+2s)[/tex]

[tex]=(12-2(3),\ 12+2(3))\\\\=(6, 18)[/tex]

Hence, the 75% Chebyshev interval around the sample mean=(6,18)

Answer:

18 minutes left

Answer:

Draw it like it would be sideways, or if the image you see turned to the left, on its side.

Step-by-step explanation:

Below is an example of it turning. Your shape is already on the center point, so it won't be moving along the X-axis and the center point can stay where it is. the shortest side of it should be facing the left side of your paper.

Answer:14

Step-by-step explanation:

Answer:

Answer vary:

(a)

*Laila is not wearing tennis shoes.

*It is not the case that Laila is wearing tennis shoes.

(b)

*Jassim is in Germany

Step-by-step explanation:

honestly in my opinion that’s my answer. to be honest either could be wrong but I’m fairly confident in part a but b I’m sorta confident.

(a) what you need to do is focus on the word negations and then you’ll see easily what the answers are. and that’s how I got the answers I got.

meaning of negations : the contradiction or denial of something

(b) so on part b your looking for the conclusion of the sentence and as the sentence explains “If Jassim’s spouse is happy, then Jassim is in Germany.” and for me I came to the conclusion of that answer.

Answer:

multiply 6x10then by 20

Answer:

Step-by-step explanation:

Given

Total cost is:

Answer:

:.x=7 ans

Step-by-step explanation:

5x=x+28

5x-x=28

4x=28

x=28/4=7

Answer:

D.) 2/1

Step-by-step explanation:

QC is 8. BW is 4.

So the ratio of QC to BW is 8/4 which is equal to 2/1

Hi there!

1.Simplifly each terms:

[tex]3\frac{1}{4}= 3\frac{1}{4}[/tex]

[tex]\frac{1}{2}=\frac{2}{4}[/tex]

2.Convert the term into mixed number:

[tex]3\frac{1}{4}=4+4+4+1=\frac{13}{4}[/tex]

3.Subtract both terms:

[tex]\frac{13}{4}-\frac{2}{4}=\frac{11}{4}[/tex]

4.SimpIifly the fraction term:

[tex]\frac{11}{4}=2\frac{3}{4}[/tex]

This means W=2 3/4..

Answer:

$44.10

Step-by-step explanation:

$8.40÷2= $4.20 for 1 pound of ground beef

so:

10.5 x $4.20= $44.10

hope that helped :)

Answer:

Let me know if you'd like me to clarify something. Good luck

Answer:

C. ASA Theorem

Step-by-step explanation:

Answer:

x=2 y=1 x+y= 2+1=3 3 is the value of x+y

Step-by-step explanation:

Answer:

X=2, Y=1

X+Y=3

Step-by-step explanation:

-6x+12=0. first subtract 12 from each side

-6x=-12 now divide both sides by -6

X=2

4y+5=9. subtract 5 from each side

4y=4 divide both sides by 4

Y=1

2+1=3

Answer:

✔ y = –4x + 5

✔ y = –2x + 3

Step-by-step explanation:

We can write -

The general equation of a straight line in slope intercept form -

y = mx + c

where -

[m] → is slope of line which tells the unit rate of change of [y] with respect to [x].

[c] → is the y - intercept i.e. the point where the graph cuts the [y] axis.

Other possible equations of lines are -

We have the given system of equations as -

y - 5 = - 4x

3y - 9 = - 6x

The given system of equations is -

y - 5 = - 4x

3y - 9 = - 6x

Now -

y - 5 = - 4x

y = - 4x + 5

and

3y - 9 = - 6x

3y = - 6x + 9

y = (-6/3)x + (9/3)

y = - 2x + 3

So, we can write -

The slope-intercept form of the first equation is y = - 4x + 5.

The slope intercept form of the second equation is y = - 2x + 3.

Therefore, we can write -

To solve more questions on straight lines, visit the link below-

brainly.com/question/20400984

#SPJ2

Step-by-step explanation:

[tex] {7x}^{2} + 3 - 5x - {2x}^{2} \\ = {5x}^{2} - 5x + 3[/tex]

Answer: He rode 70 miles!!!

Answer:

70 miles

Step-by-step explanation:

Mark me as brainliest

Answer:

I think its C

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Answer:

(x-10)(x²+10x+100)

Step-by-step explanation:

Given the expression

X^3 - 100

This ca also be expressed as;

X^3 - 100 = X³ - 10³

a³-b³ = (a-b)(a²+b²+ab)

Substitute a = x and b = 10

X³ - 10³ = (x-10)(x²+10²+10x)

X³ - 10³ = (x-10)(x²+10x+100)

Hence the factored form is (x-10)(x²+10x+100)

Answer:

31.6

Step-by-step explanation:

x / 13 = 17 / 7

7x = 221

x = 221 / 7

x = ~31.6

Step-by-step explanation:

The perimeter of the rectangle is 2(x+y)

area of the rectangle is xy

Answer:

116

Step-by-step explanation:

so to find angle bcs we need to find x and to find x we need to create an equation. 160= angle scd +anglebcs so we do 180=3x+17+12x+8 and solve for x

160=3x+17+12x+8

step 1 combine like terms

160=15x+25

step 2 subtract 25 from each side

135=15x

step 3 divide each side by 15

9=x

then we plug in 9 to 12x+8 and get 116