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2 years ago

5

Need help please answer this.

1 answer:

topjm [15]2 years ago

5 0

Answer:

Job A pays 4.75 more per hour than job B

Step-by-step explanation:

A= 70 per hour

B= 65.25 per hour

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10. Given that the total distance travelled is 4 km and that the initial aceleration is 4 m/s², find:a) the value of V.b) the va

andrezito [222]

The initial deceleration is 4 m/s^2, so this means that considering the first line segment, $\frac{V-100}{T}=-4 \implies V=100-4T$ .

The total distance traveled is 4 km, which is equal to 4000 meters. This is equal to the area under the graph, so $400T-\frac{1}{2}(100-V)(5T)=4000$ .

$400(100-4T)-\frac{1}{2}(4T)(5T)=4000\\\\40000-1600T-10T^2=4000\\\\10T^2 +1600T-36000=0\\\\T^2 +160T-3600=0\\\\(T+180)(T-20)=0\\\\T=20 (T > 0)\\\\\therefore V=100-4(20)=20$

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1 year ago

josh is 6 years older than kim's age. the sum of their ages is less than 31. what is the oldest kim could be?

Yuliya22 [10]

Answer:

24 Years Old

Step-by-step explanation:

Less than 31 is 30 and 30-6=24

4 0

2 years ago

Read 2 more answers

Need help on this question asap pleasee

slavikrds [6]

Answer:

4th option

Step-by-step explanation:

The chord- chord angle 67.5° is half the sum of the arcs intercepted by the angle and its vertical angle, that is

67.5 = $\frac{1}{2}$ (x + 90)

6 0

3 years ago

What is the total surface area of the square pyramid

olga nikolaevna [1]

Answer:

The surface area of the square pyramid is 280 square meters.

3 0

2 years ago

Gregory draws a scale drawing of his room. The scale that he uses is 1cm: 4ft. On this drawing, the room is 3cm long. Which equa

stepladder [879]

<em><u>The equation can be used to find the actual length of Gregory's room is:</u></em>

$\frac{1\ cm}{4\ feet } = \frac{3\ cm }{x\ feet }$

<em><u>Solution:</u></em>

Given that,

The scale that he uses is:

1 cm : 4 feet

On this drawing, the room is 3 cm long

Let "x" be the actual length of room

Therefore,

1 cm : 4 feet

3 cm : "x" feet

This forms a proportion. Therefore,

$\frac{1\ cm}{4\ feet } = \frac{3\ cm }{x\ feet }$

Therefore, Option C is correct

Given that,

Rob chose A as the correct answer. Which is,

$\frac{1}{4} = \frac{x}{3}$

But option A is wrong

So, Rob made a mistake in measuring the equivalent ratio, it should be $\frac{1\ cm}{4\ feet } = \frac{3\ cm }{x\ feet }$

3 0

2 years ago