Help please! I need help with question 3. I don’t know how to start it. I’ll give brainly☺️

Mathematics

2 answers:

krok68 [10]3 years ago

8 0

Answer:

*see below for how to solve

Step-by-step explanation:

You start with rate*time*interest (rti). You can that substitute some numbers. Rate=x Time=1 year Interest= .04 (same as 4%)

Then you can do rti=interest

1*.04*x=75

Solve from there

ikadub [295]3 years ago

6 0

First you divide $75 and 0.04. And that will get you the answer.
I already did this question last year.

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Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell. Equations

Y_Kistochka [10]

Answer:

On 5th day and 13th day Attendance was equal for both plays and it was

231 for each .

Step-by-step explanation:

In order to find same attendance ,we need plug both equation equal

-x^2+26x+126 = 8x+191

-x^2+26x-8x+126-191 = 0

-x^2 +18x-65 =0

multiplying both sides by -1 ,we get

x^2 -18x+ 65 =0

(x-5) (x-13) =0

x =5 and x =13

On 5th day and 13th day attendance was same.

And attendance can be obtained by plugging x =5 in either of equation

y = 8(5)+191

= 40 +191

= 231

8 0

3 years ago

1. 4 sides equal sides and 4 right angles: 4 sides equal sides and 4 right angles

larisa86 [58]

Answer:

a square

Step-by-step explanation:

8 0

3 years ago

This should be easy for you Please help me

Alik [6]

Explanation:

a. The line joining the midpoints of the parallel bases is perpendicular to both of them. It is the line of symmetry for the trapezoid. This means the angles and sides on one side of that line of symmetry are congruent to the corresponding angles and sides on the other side of the line. The diagonals are the same length.

b. We observe that adjacent pairs of points have the same x-coordinate, so are on vertical lines, which have undefined slope. KN is a segment of the line x=1; LM is a segment of the line x=3. If the trapezoid is isosceles, the midpoints of these segments will be on a horizontal line. The midpoint of KN is at y=(3-2)/2 = 1/2. The midpoint of LM is at y=(1+0)/2 = 1/2. These points are on the same horizontal line, so the trapezoid is isosceles.

c. We observed in part (b) that the parallel sides are KN and LM. The coordinate difference between K and L is (1, 3) -(3, 1) = (-2, 2). That is, segment KL is the hypotenuse of an isosceles right triangle with side lengths 2, so the lengths of KL and MN are both 2√2.

_____

For part (c), we used the shortcut that the hypotenuse of an isosceles right triangle is √2 times the leg length.