All categories

3 years ago

In ΔQRS, q = 1.3 inches, r = 1.6 inches and ∠S=157°. Find the length of s, to the nearest 10th of an inch.

Mathematics

1 answer:

hjlf3 years ago

8 0

Answer:

2.8

Step-by-step explanation:

using cosine rule

$s^{2}$ = $1.3^{2} + 1.6^{2} - 2(1.3)(1.6)cos 157$

s = $\sqrt{8.0793}$ = 2.842 = 2.8

You might be interested in

A cook has 2 3/4 pounds of ground beef. How many quarter-pound burgers can he make?

kherson [118]

9514 1404 393

Answer:

Step-by-step explanation:

2 3/4 lb = 11/4 lb = 11×(1/4 lb)

The cook can make 11 quarter-pound burgers.

3 0

3 years ago

Becky bought 11.5 meters of lace to put a border of equal length around the edge of 4 pillow covers. She was left with 2.5 meter

Charra [1.4K]

Probably it's the top sentence

4 0

3 years ago

: Mark wants to fence 4 rectangular gardens, each with a length of feet 9/1/4 and a width of feet 4/1/2 . What is the total leng

Anastaziya [24]

Answer:

Mark needs 110 ft. fencing to surround all 4 gardens.

Step-by-step explanation:

Mark wants to fence 4 rectangular gardens. So we calculate the perimeter of the each garden by this formula

P = 2(L) + 2(W)

Total Length of the garden = $9\frac{1}{4} + 9\frac{1}{4}$

= $\frac{37}{4}+ \frac{37}{4}$

Length = 18.5 feet

Total width of the garden = $4\frac{1}{2} + 4\frac{1}{2}$

= $\frac{9}{2}+ \frac{9}{2}$

Width = 9.0 feet

Perimeter of the garden = 18.5 + 9 = 27.5 feet

Mark wants to fence 4 garden

Therefore, 27.5 × 4 = 110 feet.

Mark needs 110 ft. fencing to surround all 4 gardens.

8 0

3 years ago

Read 2 more answers

What’s 40% of 60 17 of 50 as well

yan [13]

Answer: 24; 8.5

Step-by-step explanation:

40% of 60

Move the decimal twice

4*6= 24

17% of 50

Move decimal and multiply

0.17*50= 8.5

4 0

3 years ago

Read 2 more answers

How to classify numbers

fenix001 [56]

Answer:

You classify numbers by looking at which numbers are even, odd, the greatest, and the least

4 0

3 years ago