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2 years ago

−3x−6+(−1) need answer pls

Mathematics

2 answers:

Nimfa-mama [501]2 years ago

7 0

Step-by-step explanation:

−3x−6+(−1)

-3x-7

<h2>Hope it helps you</h2>

melomori [17]2 years ago

4 0

Answer:

−3 −7

Step-by-step explanation:

-3x-6-1

-3x-7

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This pentagonal right pyramid has a base area of 30 m. 5 m 7 m 8 m What is the volume of the figure?

arsen [322]

Answer: 50

Step-by-step explanation: V= 1/3 x base x height

V= 1/3 (30)(5)

V=1/3(150)

V=50

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2 years ago

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2. Priscilla is drawing a map of her school that uses a scale in which 1.5 cm 1 point

lesantik [10]

Answer:

The answer is 60cm. (b)

Step-by-step explanation:

For every 1.5cm on the map, it represents 3 ft on real-size scale.

In other words, for every 1cm on the map, it represents 3/1.5 = 2ft on real size scale.

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2 years ago

Slope review

Phantasy [73]

<h2>Answer:</h2>

To find slope, we must use the <u><em>slope formula*</em></u>.

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The slope is <em>1.5/4.5</em>.

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2 years ago

What is the slope of the line in the graph? <br><br>-4/3<br>-3/4<br>3/4<br>4/3

mart [117]

Answer:

-3/4

Step-by-step explanation:

Use rise over run. Since the line is going down you know it will be negative and basically you just count squares.

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2 years ago

Determine whether the normal sampling distribution can be used. The claim is p < 0.015 and the sample size is n

Svetradugi [14.3K]

Complete Question

Determine whether the normal sampling distribution can be used. The claim is p < 0.015 and the sample size is n=150

Answer:

Normal sampling distribution can not be used

Step-by-step explanation:

From the question we are told that

The null hypothesis is $H_o : p = 0.015$

The alternative hypothesis is $H_a : p < 0.015$

The sample size is n= 150

Generally in order to use normal sampling distribution

The value $np \ge 5$

$np = 0.015 * 150$

$np = 2.25$

Given that $np < 5$ normal sampling distribution can not be used

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3 years ago