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3 years ago

Please helppppp no linksss

Mathematics

1 answer:

skad [1K]3 years ago

6 0

Answer:

Step-by-step explanation:

3) Find the LCM of 30 and 9

30 : 30 , 60 , 90, 120

90 : 90, 180

LCM = 90

He will have both activities after 90 days.

4) Sum of any two sides should be greater than the third side.

a) 8 ft , 11ft , 9 ft

8 + 11 = 19 > 9 and

11 + 9 = 20 > 8 and

8 + 9 = 17 > 11

So, 8 ft , 11 ft and 9 ft will form a triangle

b) 4 m, 5.1 m , 12.5 m

4 + 5.1 = 9.1 < 12.5

So, This will not form a triangle.

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Vertices A and B of triangle ABC are on one bank of a river, and vertex C is on the opposite bank. The distance between A and B

Anna71 [15]

Answer:

The length of side b is 179 ft

Step-by-step explanation:

Given triangle ABC in which

∠A = 33°, ∠B = 63°, c=200

we have to find the length of b

In ΔABC, by angle sum property of triangle

∠A+∠B+∠C=180°

33°+63°+∠C=180°

∠C=180°-33°-63°=84°

By sine law,

$\frac{\sin \angle A}{a}=\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}$

$\frac{\sin \angle B}{b}=\frac{\sin \angle C}{c}$

$\frac{\sin 63^{\circ}}{b}=\frac{\sin 84^{\circ}}{200}$

$b=200\times \frac{\sin 63^{\circ}}{\sin 84^{\circ}}=179.182887\sim 179 ft$

The length of side b is 179 ft

Option C is correct.

7 0

3 years ago

A hypothesis test was used to see if less than 5% of all Americans would still drive to work if gas prices went above $10.00 a g

Kruka [31]

Answer:

The correct option is;

False

Step-by-step explanation:

Here, we note that the proportion of the test statistic which is used in the test is 5% and the P-value for the test is 0.03

The hypothesis test is meant to check if people will still drive to work when the gas prices are above $10.00 and the suggestion was that we can conclude that when the fuel price is above $5.00 everyone would still drive to work without a P-value for the test, hence we can not come to the stated conclusion.

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3 years ago

Choose the fraction that has not been reduced to simplest form.

Thepotemich [5.8K]

first one since it’s 1/16 simplest form or 11/17 cuz it’s obv

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3 years ago

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Simplify the square root of 6 * the square root of 8

Troyanec [42]

Answer:

Step-by-step explanation: