1) 5x - y = 12 3x + y = 4 2) 2x - y = -6 2x - 2y = -4
1) 5x - y = 12 3x + y = 4 2) 2x - y = -6 2x - 2y = -4
3 answers · Mathematics · 2 weeks ago
• ### Why does, nowadays, this week covers many months in yahoo answers?

1 answer · Homework Help · 2 months ago
• ### If a shorter building is 28.0 m high, how can we find the height of a taller building?

The angle of elevation from the top of a shorter building to the top of a nearby taller building is 46°40', while the angle of depression to the bottom is 14°10'.
The angle of elevation from the top of a shorter building to the top of a nearby taller building is 46°40', while the angle of depression to the bottom is 14°10'.
3 answers · Mathematics · 2 months ago
• ### How can the height of a building be found?

Marla needs to find the height of a building. From a given point on the ground, she finds that the angle of elevation to the top of the building is 74.2°. She then walks back 35 ft. From the second point, the angle of elevation to the top of the building is 51.8°.
Marla needs to find the height of a building. From a given point on the ground, she finds that the angle of elevation to the top of the building is 74.2°. She then walks back 35 ft. From the second point, the angle of elevation to the top of the building is 51.8°.
4 answers · Engineering · 2 months ago
• ### How are we to find the distance from B to C?

The bearing from A to C is N 64° W. The bearing from A to B is S 82° W. The bearing from B to C is N 26° E. A plane flying at 350 mph takes 1.8 h to go from A to B.
The bearing from A to C is N 64° W. The bearing from A to B is S 82° W. The bearing from B to C is N 26° E. A plane flying at 350 mph takes 1.8 h to go from A to B.
1 answer · Mathematics · 2 months ago
• ### Station A detects a plane at C, on a bearing of 53°. How can the distance from B to C be found?

Radar stations A and B are on an east-west line, 8.6 km apart. Station B simultaneously detects the same plane, on a bearing of 323° C
Radar stations A and B are on an east-west line, 8.6 km apart. Station B simultaneously detects the same plane, on a bearing of 323° C
1 answer · Engineering · 2 months ago
• ### What are double digit prime numbers, the sum of whose digits are also prime?

6 answers · Mathematics · 2 months ago
• ### 1 - 0.11111111.....?

6 answers · Mathematics · 3 months ago
• ### ABC is a non-right angled triangle with an area of 25 cm^2. How can the size of ∠ACB be computed if AB = 5 cm and BC = 8 cm?

3 answers · Mathematics · 3 months ago
• ### Do these triangles have the same area?

Two irregular triangles which have sides as follows: a) 5.4 cm, 7.3 cm and 7.84091 cm b) 5.4 cm, 7,3 cm and 10.16957 cm
Two irregular triangles which have sides as follows: a) 5.4 cm, 7.3 cm and 7.84091 cm b) 5.4 cm, 7,3 cm and 10.16957 cm
5 answers · Mathematics · 3 months ago
• ### Given: m∠KAL = 60º m∠L = 55°, OA = 12 Find: AK, AL, KL?

O is the center of a circle with radius 12 and the points K, A, and L are points on this circle.
O is the center of a circle with radius 12 and the points K, A, and L are points on this circle.
1 answer · Homework Help · 3 months ago
• ### Which sentence is correct?

A) When does the school reopen? B) When will the school reopen?
A) When does the school reopen? B) When will the school reopen?
12 answers · Words & Wordplay · 4 months ago
• ### What's the difference?

Decay vs Delay
Decay vs Delay
5 answers · Words & Wordplay · 4 months ago
• ### What's the shortest distance between Cincinnati and Cleveland by road?

5 answers · Geography · 5 months ago
• ### What do the words centuary and century mean?

1 answer · Words & Wordplay · 5 months ago
• ### What's the difference between 'tackle' and 'tattle'?

10 answers · Words & Wordplay · 5 months ago
• ### Can dignitaries born in 19xy, who died at the age of xy be traced?

2 answers · Mathematics · 5 months ago
• ### What do the words 'elite' and 'delite' mean?

3 answers · Languages · 6 months ago
• ### What's the difference between 'empathy' and 'sympathy'?

10 answers · Words & Wordplay · 6 months ago
• ### How can it be shown that Diwali falls every year between Oct 15 and Nov 15?

1 answer · Religion & Spirituality · 6 months ago