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3 years ago

What is the value of x? Enter your answer in the box. X=?

Mathematics

1 answer:

Marina86 [1]3 years ago

8 0

Answer:

x = 32

Step-by-step explanation:

This is an equilateral triangle. This means the angles of the triangle are all equal. Since the sum of a triangle's angles is 180°, that means each angle will be 60°.

$2x-4=60\\2x=64\\x=32$

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Select the statement that best justifies the conclusion based on the given information.

CaHeK987 [17]

9514 1404 393

Answer:

c. If a plane contains a line, it contains the points on the line.

Step-by-step explanation:

The only statement relating a point on a line to the plane containing the line is the one shown above.

_____

<em>Additional comment</em>

Identifying true statements is a reasonable strategy for many multiple-choice questions. Another strategy that can be employed is finding the one true statement that is <em>relevant to the question being asked</em>.

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2 years ago

If vector u = <-3.5, -1.5> and vector v = <-1.25, 2.25>, which graph shows the resulting vector for 2v − u?

shusha [124]

Answer:

See the attached figure.

Given:

u = (-3.5 , -1.5) and v = (-1.25 , 2.25)

So,

2v = 2 * (-1.25 , 2.25) = (-2.5, 4.5)

∴ 2v - u = (-2.5, 4.5) - (-3.5 , -1.5) = (1 , 6)

The graph of the vectors is as shown in the attached figure.

8 0

3 years ago

An object is moving at a speed of 920 yards every 3.5 hours Express the speed in miles per week

Kaylis [27]

Answer:

25.05 miles per week

Step-by-step explanation:

We know that,

1 mile = 1760 yards

⇒ 920 yards = 0.522 mile

1 week = 168 hour

We need to find ts speed in miles per week.

Speed = distance/time

$v=\dfrac{920\ \text{yards}}\\\\v=\dfrac{0.522\ \text{miles}}{\dfrac{3.5}{168}\ \text{week}}\\\\v=25.05\ \text{miles/week}$

So, the speed of the object is 25.05 miles per week.

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3 years ago

What is nine tenths of a dollar

Semenov [28]

Nine tenths of a dollar is ninety cents

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3 years ago

I need help ASAP please and thank you !!!!!!!

Fed [463]

Answer: He would make $1,170 a week.

Step-by-step explanation:

He makes $400 a week.

$55 per appliance sold, he sold 14 appliances.

$55 x 14 = $770

$400 + $770 = $1,170

Hope this helps!:)

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3 years ago