Help me guys please

Mathematics

1 answer:

poizon [28]2 years ago

3 0

A. X is greater than 50 degrees

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Charra [1.4K]

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2 years ago

The boat travels x miles per hour from one island to another island in 2.5 hours. The boat travels 5 miles per hour faster on th

notka56 [123]

The speed to the island is x. The speed to return is x+5.

The distance is the same so, 2.5 multiplied by x = 2×(x+5).

It took 2.5 hrs to get there and 2 hrs to return. Now all we have to do is solve.

2.5*x = 2x + 10

.5x = 10
x=20

Therefore, the distance between islands is 2.5 × 20 = 50 miles.

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3 years ago

Solve this I'll give brainliest plz look at the picture

Diano4ka-milaya [45]

Answer:

answer is B

Step-by-step explanation:

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2 years ago

20 POINTS AND BRAINLIEST

emmainna [20.7K]

To solve this equation we must first plug in 5 for x.

$\frac{1}{3}$ <span> (5 - 4x)
</span>↓
$\frac{1}{3}$ (5 - 4 · 5)

The next step would be to multiply 4 by 5 to get rid of the parenthesis within our main parenthesis.

$\frac{1}{3}$ (5 - 4 · 5)

$\frac{1}{3}$ (5 - 20)

The next step would be to subtract both of the numbers within the parenthesis.

$\frac{1}{3}$ (-15)

Now we must multiply.

- $\frac{1}{3}$ · 15 = - $\frac{1×15}{3}$

- $\frac{15}{3}$

Now we simplify our answer to get our final answer.

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Find the lengths of the segments with variable expressions.

Luba_88 [7]

Answer:

Step-by-step explanation:

By the trapezoid midsegment theorem,

2x = (x-6) + (2x-8)

2x = x - 6 + 2x - 8

2x = 3x - 14

x = 14

So we know AD = 8, EF = 14, and BC = 20

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2 years ago