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3 years ago

For the expansion of (x-y)^7 find the indicated term. sixth term

Mathematics

1 answer:

RoseWind [281]3 years ago

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15. Find the length of segment DE of the triangle ABC.

ruslelena [56]

Answer:

Option C. $26\ units$

Step-by-step explanation:

we know that

Triangles ADE and ABC are similar by AA similarity postulate

AB=2AD

Apply proportion

$\frac{AD}{AB}=\frac{8x-6}{12x+4}\\ \\\frac{AD}{2AD}=\frac{8x-6}{12x+4}\\ \\\frac{1}{2}=\frac{8x-6}{12x+4}\\ \\12x+4=16x-12\\ \\16x-12x=4+12\\ \\4x=16\\ \\x=4\ units$

Find the length of segment DE

$DE=8x-6=8(4)-6=26\ units$

4 0

3 years ago

Help with fractions of a whole number

Ymorist [56]

Answer:

22 tickets

Step-by-step explanation:

I assume you're asking about question 2

To find a fraction of a whole number you divide by the bottom number and multiply by the top number. If 2/3 are kids tickets then 1/3 are adult tickets so you divide by 3 and multiply by 1

$66 \div 3 = 22 \times 1 = 22$

8 0

2 years ago

The recipe shows the amounts of three ingredients used to make trail mix.

egoroff_w [7]

A. Because you would have to find the common denominator, which in this case is 24. You would change 2 1/3 to 2 8/24, 1 1/8 to 1 3/24 and 1 3/4 to 1 18/24. Add these all up and you get 5 5/24.

8 0

3 years ago

HELP ME !!!!!!! Which of the following best describes a single fixed point that is the same

s344n2d4d5 [400]

Answer:

C. Focus

.............

8 0

1 year ago

Shilpa can stitch a shirt in 5 hours while Alka can do it in 4 hours how much time would it take to stitch 36 shirts if they wor

scoundrel [369]

Answer:

together, they would stitch 36 shirts in 162 hours or 6 days and 18 hours

8 0

3 years ago