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Morgarella [4.7K]

3 years ago

10

At a bicycle shop, all the bicycles are on sale for $25 off the regular price. If p represents the regular price in dollars of a

bicycle, which expression gives the sale price in dollars?
A. 25p

B. – 25p

C. p – 25

D. p + 25

1 answer:

jeyben [28]3 years ago

4 0

Answer:

C

Step-by-step explanation:

P-25

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The printer can print 168 papers in 21 minutes. Enter the number of paper the printer can print in 10 minutes.

kolbaska11 [484]

Answer:

80 pages

Step-by-step explanation:

We can use ratios to solve

168 papers x papers

------------------ = -----------------

21 minutes 10 minutes

168*10 = x * 21

1680 = 21x

Divide each side by 21

1680/21 = 21x/21

80 = x

80 pages

4 0

3 years ago

Which two values of x are roots of the polynomial below? x^2-3x+5

Gemiola [76]

Given:

Polynomial $x^2-3x+5$

To find:

The values of x.

Solution:

$x^2-3x+5=0$

Quadratic equation formula:

$$x=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Here $a=1, b=-3, c=5$ .

Substitute the values in the formula, we get

$$x=\frac{-(-3) \pm \sqrt{(-3)^{2}-4 \cdot 1 \cdot 5}}{2 \cdot 1}$

$$x=\frac{3 \pm \sqrt{9-20}}{2}$

$$x=\frac{3 \pm \sqrt{-11}}{2}$

$$x=\frac{3 - \sqrt{-11}}{2} \ \text{and} \ x=\frac{3 + \sqrt{-11}}{2}$

Option E and option F are the roots of the polynomial.

The values of x are $x=\frac{3 - \sqrt{-11}}{2} \ \text{and} \ x=\frac{3 + \sqrt{-11}}{2}$ .

7 0

3 years ago

4a. If (11+x) is positive, but (4+x) is negative, what is one number that x could be?

sattari [20]

Answer:

Step-by-step explanation:

x has to be equal to or less than a -5 to get (4 + x) to be a negative number.

x has to be equal to or greater than -10 for (11 + x) to be a positive number.

Therefore, any number between -10 and -5 will work.

8 0

3 years ago

A roadside assistance company gets millions of requests per year, with about a quarter of the requests in

lana [24]

300 a summer plz I think

3 0

3 years ago

10.<br> JKLM is a rhombus KLN is a triangle. Find MKN.

rjkz [21]

Answer:

65°

Step-by-step explanation:

JM = JK (all sides of a rhombus are equal)

Angle JKM = 25° (isosceles triangle)

Angle JKL = 50° (consecutive angles of rhombus)

Angle MKL = 25° (angle subtraction)

Angle MLK = 130° (opposite angles of a rhombus)

Angle KLN = 50° (angles on a straight line)

Angle LKN = 40° (angle sum of triangle)

Angle MKN = 65° (angle addition)

7 0

1 year ago