2 years ago

How many solutions does the system have? 3x + y = 8 2x + 2y = 8

Mathematics

1 answer:

Lady bird [3.3K]2 years ago

3 0

Answer:

There is one solution

Step-by-step explanation:

I did the Khan Academy lesson and I got it correct.

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Every person has blood type O, A, B, or AB. A random group of people are blood-typed, and the results are shown in the table.

Evgesh-ka [11]

Answer:

12%

Step-by-step explanation:

$P=\frac{6}{22+20+6+2} =.12$

6 0

3 years ago

Is this multiplication? Can you also help me with the answer!?

vredina [299]

Answer:

84,375 m^2

Step-by-step explanation:

We need to find the surface area of the pyramid. The pyramid can be divided into 4 triangles and one square (the bottom).

Area of a triangle is 1/2*b*h where b is the base of the triangle and h is the height.

Area of a square is length times width.

Total area = $4\times(\frac{1}{2}\times 225 \times 75)+225\times225 = 84375 m^2$

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3 years ago

A triangle has side lengths of 15, 20, and 25. What type of triangle is it?

Vinvika [58]

Acute triangle is the answer

3 0

3 years ago

Read 2 more answers

Reggie needs 24 feet of rope to make a tire swing. He has 10 yards of rope. Is this enough for him to make his swing? Explain.

Luden [163]

Answer:

8 yards < 10 yards

He has enough.

Step-by-step explanation:

1 yard = 3 feet

y yards = 24 feet

$\frac{1}{3} :\frac{y}{24}$

y · 3 = 1 · 24

3y = 24

3y ÷ 3 = 24 ÷ 3

y = 8

24 feet = 8 yards

8 yards < 10 yards

3 0

2 years ago

Find the value of x and y.<br><br>help me out ASAP!!

il63 [147K]

Step-by-step explanation:

13x + 15 = 19x - 9 ( being opposite sides of parallelogram)

19x - 13x = 15 + 9

6x = 24

x = 24 / 6

x = 4

4y + 7° + 10y - 37° = 180° {being co-interior angles }

14y = 180° - 7° + 37°

14y = 210°

y = 210°/ 14

y = 15°

Hope it will help :)

3 0

2 years ago