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3 years ago

Help me please, Find a, b, and c.

Mathematics

2 answers:

Maksim231197 [3]3 years ago

5 0

Answer:It’s C

Step-by-step explanation:

Mama L [17]3 years ago

3 0

Answer:

a = $6*\sqrt{3}$

b = 12

c = $6\sqrt{2}$

Step-by-step explanation:

Since the triangles are right triangles with 60 and 45 degree angles, their side lengths follow special triangles.

A 45-45-90 right triangle has side lengths $1-1-\sqrt{2}$ .

A 30-60-90 right triangle has side lengths $1 - \sqrt{3} -2$ .

Starting with the top triangle which has a 60 degree angle, its side length 6 corresponds to a side length of 1 in the special triangle. It is 6 times bigger so its remaining sides will be 6 times bigger too.

Side a corresponds to side length $\sqrt{3}$ . Therefore, $a = 6*\sqrt{3}$ .

Side b corresponds to side length 2, b = 2*6 = 12.

The bottom triangle has a 45 degree angle, its side length b= 12 corresponds to $\sqrt{2}$ . This means $\sqrt{2}$ was multiplied by $12 = \sqrt{2} * \sqrt{72}$ . This means that side c is $\sqrt{72}=6\sqrt{2}$ .

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Lisa [10]

Answer:

SA = 69.6in²

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Step-by-step explanation:

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V= 8 × 1.5 × 2.4 = 28.8in³

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3 years ago

3/2(4x – 1) – 3x = 54 – (x + 2)?

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The answer is x = 107/8

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3 years ago

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The ice cream shop sells sundaes for $2 each and banana splits for $3 each. One day, the shop sold 8 more sundaes than banana sp

alukav5142 [94]

Answer:

$s = 8+b\\2s+3b=156$

Step-by-step explanation:

To find which systems of equation represents the situation, we can break down the key information and create two variables:

Variables:

Let $s$ = number of sundaes sold.

Let $b$ = number of banana splits sold.

Given information:

Sundae: $\$2$

Banana Splits: $\$3$

8 more sundaes sold than banana splits. This can be expressed by $s=8+b$ .

Total sold was $\$156$ . This can be expressed as $2s+3b=156$ .

∴ The systems of equation that expresses this situation are $s=8+b$ and $2s+3b=156$ .

Hope this helps :)

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3 years ago

If a store owner buys a tablet for $125, and sell it for $168.75. How much did he mark it up by?

timofeeve [1]

The answer is $43.75

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3 years ago

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(WILL GIVE BRAINLIEST) plz help!!!!

laiz [17]

Equations are:
6x+4y=24 Equation 1
2x-4y=-8 Equation 2
First find the intercepts or ordered pair for each equation.

6x+4y=24
When x=0
6(0)+4y=24
4y=24
y=6 Ordered pair is (0,6)
When y=0
6x+4(0)=24
6x=24
x=4 Ordered pair is (4,0)

Now for equation 2.
2x-4y=-8
When x=0
2(0)-4y=-8
-4y=-8
y=2 Ordered pair is (0,2)
When y=0
2x-4(0)=-8
2x=-8
x=-4 Ordered pair is (-4,0)
Now graph the points on the graph, we get the attached graph.
Solution is (2,3)
From the graph, it is clear that the solution lies in the first quadrant.
The x-coordinate is 2 and y-coordinate is 3.

Answer: Option C, D and F are correct.

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3 years ago