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IRINA_888 [86]
3 years ago
7

Please help me!!!!!!!!

Mathematics
1 answer:
telo118 [61]3 years ago
5 0

Answer:

The driver has made it far enough to reach the office

Step-by-step explanation:

1,1

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In a triangle HIJ, i = 6.6 inches, j = 6.4 inches and Angle,H=62º. Find the length of h, to the
sweet [91]

Answer:

7.6 inches

Step-by-step explanation:

We solve the above question using the Law of Cosines.

The formula is given as:

h² = i² + j² - 2ij Cos H

h = √i² + j² - 2ij Cos H

From the above question:

i = 6.6 inches

j = 6.4 inches

Length h = ?

Angle H=62º.

Hence:

h= √6.6² + 6.4² - 2 × 6.6 × 64 × Cos 62

h = √43.56 + 40.96 - 84.48 × Cos 62

h = 7.64292 inches

Approximately to the nearest tenth, Length h = 7.6 inches

8 0
3 years ago
Which expression is equivalent to 1/8 - 3/8?
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2/16-6/16

Step-by-step explanation:

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3 years ago
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88 feet/second = 60 miles/hour. How many feet per second is 1 mile? (Hint: divide both side of the equation by the same amount.)
zalisa [80]

Answer:

1 mile/hour is equivalent to 1.47 feet/seconds

Step-by-step explanation:

Given

88 ft/s= 60 miles/hr

Required

Determine the equivalent of 1 mile/hour

88\ ft/s= 60\ miles/hr

Express 60 as 60 * 1

88\ ft/s= 60 * 1\ mile/hr

Divide both sides by 60

\frac{88\ ft/s}{60}= \frac{60 * 1\ mile/hr}{60}

\frac{88\ ft/s}{60}= 1\ mile/hr

Reorder

1\ mile/hr = \frac{88\ ft/s}{60}

Divide 88 by 60

1\ mile/hr = 1.46666666667\ ft/s

Approximate to 3 significant figures

1\ mile/hr = 1.47\ ft/s

Hence;

1 mile/hour is equivalent to 1.47 feet/seconds

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3 years ago
Sylvia earns $7 per hour at her after school job. After working one week, she received a paycheck for $91.
makvit [3.9K]

Answer:

a.) hours=13

b.) h\leq 15

c.) $$105

Step-by-step explanation:

a.) If she earns $7 'per' hour, this multiplication. After a week, we need to see how many hours she worked to earn $91, so this goes behind the equal sign. Let <em>h</em> be the unknown number of hours:

7h=91

Solve for h. Divide both sides by 7:

\frac{7h}{7}=\frac{91}{7}\\\\h=13

Sylvia worked 13 hours at a rate of $7 an hour.

b.) She can work at most 15 hours a week. At 'most' can also mean less than or equal to. Let <em>h</em> be hours:

h\leq 15

Sylvia can work less than or equal to 15 hours per week.

c.) If Sylvia can work 15 hours, plug in this value for <em>h</em> into an equation when she earns $7 per hour. Let the product of the hours and money equal <em>t</em> for total:

t=7(15)\\t=105

The most money Sylvia can earn in a week is $105.

<em>Finito.</em>

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