The jones family is landscaping their yard. Their yard is 160 square feet & one side is 10 feet long. What is the length of the other side of the yard?

Answers

Answer 1
Answer: all u do is 160/10 and get 16. you do this becuase its area divided by length becuz length time width equals area plz mark me as brainlest

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PLS HELP!!A graphic designer created a logo on 8 1/2 by 11 inch paper. In order to be placed on a business card, the logo needs to be 1 7/10 by 2 1/5. What is the scale factor of the dilation?

Answers

Answer:

0.2  (compression)

Step-by-step explanation:

Given

Length of paper = 11 inches,

Width of paper = 8 1/2 = 17/2 inches

Length of logo = 2 1/5 = 11/5 inches

Width of logo = 1 7/10 = 17/10 inches

Scale factor based on Length

=Length of Logo ÷ Length of paper

= 11/5 ÷ 11

= 0.2  (since it is less than 1, this is a compression)

(Sanity Check: Check width scale factor = length scale factor)

Scale factor based on width

=Width of Logo ÷ Width of paper

= 16/10 ÷ 17/2

= 0.2  (this is the same as the length scale factor so this checks out ok!)

One angle of a right triangle measures 70 degrees. What is the other acute angle?

Answers

Answer:

20 degrees

Step-by-step explanation:

A triangle's angles should 180 degrees added together, so 90 + 70 = 160, leaving 20 for the last angle.

Can a cross-section be a sphere?

Answers

Answer:

Spheres are NOT polyhedra. The intersection of a plane with a sphere is a circle (or a point if tangent to sphere). All cross sections of a sphere are circles. (All circles are similar to one another.)

Hope this helps??

no because spheres are not polyhedra

Which of the following ordered pairs represents a solution to the linearinequality y > 2x - 3?
O A. (3,2)
O B. (9,12)
O C. (4,4)
O D. (2,5)

Answers

Answer:

O D. (2,5)

Step-by-step explanation:

y > 2x - 3

Substitute the points into the inequality and see if it is true

(3,2)

2 > 2(3) - 3

2> 6-3

2>3  False

(9,12)

12 > 2(9) - 3

12> 18-3

12>15  False

(4,4)

4 > 2(4) - 3

4> 8-3

4>5  False

(2,5)

5 > 2(2) - 3

5> 4-3

5>1  True

Answer:D

Step-by-step explanation:

You put $5,000 in a simple interest account at a bank. You will earn $1,200 in just 4 years. What is the annual interest rate for the account?

Answers

1200 = 5000*4r
1200/20000 = r = .06 0r 6%

Find the zeros of the function f(x)=2x^2-7x-30

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2x^2-7x-30=0 \n \na=2 \n b=-7 \n c=-30 \nb^2-4ac=(-7)^2-4 * 2 * (-30)=49+240=289 \n \nx=(-b \pm √(b^2-4ac))/(2a)=(-(-7) \pm √(289))/(2 * 2)=(7 \pm 17)/(4) \nx=(7-17)/(4) \ \lor \ x=(7+17)/(4) \nx=(-10)/(4) \ \lor \ x=(24)/(4) \nx=-(5)/(2) \ \lor \ x=6 \n\boxed{x=-2.5 \hbox{ or } x=6}