Which expression gives the length of QR in the triangle shown below?

Answer:

6x² - 19x + 15

Step-by-step explanation:

(2x-3) (3x-5)

6x² - 10x - 9x + 15

6x² - 19x + 15

Answer:

The value of x is incorrect he should be using 28/21 instead of 21/28

Step-by-step explanation:

tan = opp/adj

tanx = 28/21

The value of x is incorrect he should be using 28/21 instead of 21/28

Answer:

A) The value of x is incorrect. He should be using 28/21 instead of 21/28.

Step-by-step explanation:

Recall that [tex]tan\theta=\frac{opposite}{adjacent}[/tex]. This means that the correct setup would be [tex]tan\theta=\frac{28}{21}[/tex] since 28 is opposite of x° and 21 is adjacent to x°. Thus, your solution would be [tex]x^{o}=tan^{-1}(\frac{28}{21})=53.13010235^o\approx53.1^o[/tex]

Answer:

Snow accumulated faster in Harris. 0.50

Answer:

11x^3

Step-by-step explanation:

4y + 3x^3 + 2y + 8x^3 - 6y

Combine like terms

4y+2y-6y+3x^3+8x^3

6y-6y +11x^3

11x^3

Answer:

11x³

Step-by-step explanation:

4y + 3x³ + 2y + 8x³ - 6y

3x³ + 2y + 4y + 8x³ - 6y

3x³ + 8x³ + 6y - 6y

3x³ + 8x³

11x³

Answer:

Step-by-step explanation:

x^2+5x+6

=x^2+(3+2)x+6

=x^2+3x+2x+6

=x(x+3)+2(x+3)

=(x+3)(x+2)

Answer:

Step-by-step explanation:

To overestimate the area would mean that you completely enclose the circle in squares; an 8 x 8 square to b exact. The area of a square with sides measuring 8 is 64. The overestimation is 64.

To underestimate the area would mean that you only count the squares that are completely inside the circle. That would be a 6 x 6 square (even though the 6th squares are a tiny bit outside the circle). A square with sides of 6 has an area of 36. The underestimation is 36.

Answer:

14.13 units

Step-by-step explanation:

Semicirle is half the circumferene of a full circle. A full circle has a circumfence of 28.26 units.

Answer:

x = 4.29 hours

Step-by-step explanation:

Let

x = number of hours

Stock A at 9.00 AM

13.63 + 0.13x

Stock B at 12.00 pm

14.38 - 0.15(x - 3)

in how many hours will the prices of the two stocks be the​ same?

Equate the change in prices of both stock

13.63 + 0.13x = 14.38 - 0.15(x - 3)

13.63 + 0.13x = 14.38 - 0.15x + 0.45

13.63 + 0.13x = 14.83 - 0.15x

13.63 - 14.83 = -0.15x - 0.13x

-1.2 = -0.28x

x = -1.2/-0.28

x = 4.2857142857142

Approximately,

x = 4.29 hours

Answer:

Step-by-step explanation:

90+35=exterior angle(sum of two interior opposite angle is equal to the exterior angle formed)

125=exterior angle

Answer:

125

Step-by-step explanation:

all the angles inside the triangle should add to 180:

so 180 - 35 - 90 = 55

then since it asked for exterior it should be:

180 - 55 = 125

because it on a straight line and a straight line is 180 it becomes:

125

I can help with more too

Step-by-step explanation:

using the formula or so there a²+ b²= c²

so 18² + 80²= 82²

Answer:

See below

Step-by-step explanation:

y=-2x + 3

y = -2*3x​

Both equations are lines.

Two lines will intersect at one point

I will set the two equations equal and solve for the x coordinate.

-2x+3 = -6x

Add 2x from each side

3 = -4x

Divide by -4

-3/4 = x

Now find y

y = -6x

y = -6(-3/4)

y = 18/4 = 9/2

The solution is ( -3/4, 9/2)

Answer:

x=-8

Steps:

Simplify-

−3(−7−x)= x+2/2

Simplify-

−3(−7−x)= 1+ x/2

Multiply both sides by 2-

−6(−7−x)=2+x

Expand-

42+6x=2+x

Subtract 2 from both sides-

42+6x−2=x

Simplify-

6x+40=x

Subtract 6x from both sides-

40=x−6x

Simplify-

40=−5x

Divide-

-40/5=x

Simplify-

-8=x

Switch sides-

x=-8

I believe this is correct, if not let me know and I will fix it.

Answer:

He should run 28 minutes.

Step-by-step explanation:

It would be 28 due to it being a pattern! I double checked my answer by looking it up.

Answer:

21

Step-by-step explanation:

You got it right.

The letter that correctly identifies the base of the prism is "a".

To learn more about prisms, visit :

https://brainly.com/question/12649592

#SPJ1

Answer:

I think the answer is C.

Step-by-step explanation:

The law of exponents states that when you divide the same base you subtract the exponents.

Given:

The number is [tex]\dfrac{5}{9}[/tex].

To find:

The location of the given number on a number line.

Solution:

We have,

[tex]\dfrac{5}{9}[/tex]

Here [tex]0<5<9[/tex], so [tex]0<\dfrac{5}{9}<1[/tex].

Mark 8 equidistant small lines between 0 to 1 on the number line to divide the number line in 9 equal parts. Then, the 5th mark represent the value  [tex]\dfrac{5}{9}[/tex].

The location of number [tex]\dfrac{5}{9}[/tex] on a number line is shown below.

Answer:

Choice C

Step-by-step explanation:

$80 to 5 hours

Divide both numbers by 5 to find the unit rate:

$16 to 1 hour, or 16 to 1

For x hours, the pay, y, is y = 16x.

Choice A is true.

Look at choice B.

When x = 5, y = 80.

This is correct because we are given that information.

The process is to multiply the hours by 16.

For x hours, y = 16x (from choice A)

For x = 7, y = 7 * 16

Choice B works.

Look at choice C.

We need a proportion. The left side is the ratio 80/5, meaning $80 for 5 hours of work. Notice that the first number in the ratio is dollars, and the second number is hours. Now we need another ratio written in the same order to set up a proportion. x dollars is to 7 hours. This is the ratio x/7. The correct proportion is

80/5 = x/7

Choice C is 80/5 = 7/x

Choice C is incorrect.

Look at choice D.

The graph shows that for 5 hours, the pay is $80, so by looking up x = 7, you can find the correct amount of pay.

Choice D works.

Answer: Choice C

Answer:

no clue sorry. wish i could help.

Answer:

1/2

Step-by-step explanation:

it is closet to a 1/2

Answer:

The rules of dividing integers are similar to the rules of multiplication

The only difference in division is that the quotient may not necessary be an integer. Hence, when dividing two integers with like signs, we divide the numbers without sign and place a positive sign to the result.

Answer:

I do not agree

Step-by-step explanation:

because in multiply negatives, the 2 negatives turn into a positive or multiplying positive and negative (and vice versa) becomes a negative still so the rules of multiplying and dividing are not alike integers. (For dividing it is the same)

Answer:

6

Step-by-step explanation:

Answer:

The answer would be 6

Step-by-step explanation:

Answer:

step 3 I had this one my test

Answer:

D. step 4

Step-by-step explanation:

he did it all right but made it 3 units down not 4 so he made mistake in step 4.

Answer:

(-3, 4)

Step-by-step explanation:

let the point P(x, y)

x = (5/7 × (-1+8)) + (-8)

= (5/7 × 7) -8 = 5-8 = -3

y = (5/7 × (8+6)) + (-6)

= (5/7 × 14) -6 = 10-6 = 4

so, P => (-3 , 4)

[tex]\\ \rm\Rrightarrow M(x,y)[/tex]

[tex]\\ \rm\Rrightarrow\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)[/tex]

[tex]\\ \rm\Rrightarrow\left(\dfrac{-5-16}{7},\dfrac{40-12}{7}\right)[/tex]

[tex]\\ \rm\Rrightarrow\left(\dfrac{-21}{7},\dfrac{28}{7}\right)[/tex]

[tex]\\ \rm\Rrightarrow(-3,4)[/tex]

Answer:

50%. 18 is half of 36 therefore it is 50% of 36

Answer:

50%

Step-by-step explanation:

hope this helps