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3 years ago

(x-8) (2x +9)

Mathematics

1 answer:

nika2105 [10]3 years ago

8 0

im not being rude i was just trying yo say sais the Anser but.it wouldnt let mr so now im sad

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Dena has 6.25 inches of blue ribbon, 0.375 foot of orange ribbon, and 0.5 yard of green ribbon. How many inches of ribbon does D

ipn [44]

Answer:

Step-by-step explanation:

We are expected to convert all units to inches in this problem

Step one:

given data

blue ribbon=6.25 inches

orange ribbon=0.375 foot

green ribbon=0.5 yard

Step one:

convert orange ribbon=0.375 foot to inches

1 ft = 12 in

0.375ft=xin

cross multiply

x=12*0.375

x=4.5in

orange ribbon= 4.5in

convert green ribbon yd to inches

1 yd = 36 in

0.5 yd=xin

cross multiply

x=36*0.5

x=18in

green ribbon= 36in

total lenght in inches =6.25+4.5+18

=28.75in

3 0

3 years ago

The length of the hypotenuse of the right triangle is 25 cm, the length of one of the legs is 10 cm. What is the length of the s

Anna007 [38]

Answer:

21 cm

Step-by-step explanation:

Call the triangle ABC, with the right angle at B, the hypotenuse AC=25, and the given leg AB=10. The altitude to the hypotenuse can be BD. Since the "other leg" is BC, we believe the question is asking for the length of DC.

The right triangles formed by the altitude are all similar to the original. That means ...

AD/AB = AB/AC . . . . . . ratio of short side to hypotenuse is a constant

Multiplying by AB and substituting the given numbers, we get ...

AD = AB²/AC = 10²/25

AD = 4

Then the segment DC is ...

DC = AC -AD = 25 -4

DC = 21 . . . . . centimeters

6 0

3 years ago

Factor x^2 + 2x + 4 i am confused

3241004551 [841]

Answer:

x^2 +2x +4

x^2 +2x +(2/2)^2-(2/2)^2+4

(x+1)^2-1+4

(x+1)^2+3=0

(x+1)^2= -3

(x+1)= ±√-3

Since a negative number cannot be square rooted,

there are no solutions to this equation.

Hope this helps:)

6 0

3 years ago

The middle school is 2.72 km from marshes House and 1.52 km from Ryan’s house how much further does Martha live from the middle

Alex_Xolod [135]

1.20kilometers farther away from Ryan’s house

6 0

4 years ago

Sarah sold her stock for $56.25 A share, which reflected a ROI of 7.7%. What was the original price of her stock?

V125BC [204]

Her's stock original price was approximately $52.23 a share.

ROI is found by dividing the gain from the investment minus the cost of the investment by the cost of the investment: ROI = $\frac{gain-cost}{cost}$
We know the ROI (7.7%, or 0.077) and the gain ($56.25).

0.077= $\frac{56.25-cost}{cost}$ ⇔ 0.077= $\frac{56.25}{cost}-\frac{cost}{cost}$ ⇔ 0.077= $\frac{56.25}{cost}-1$ ⇔ 1.077= $\frac{56.25}{cost}$ ⇔ cost= $\frac{56.25}{1.077}$ ⇔ cost≈52.23

7 0

4 years ago