3 years ago

Graph the line with slope 3/5 and y-intercept -2

Mathematics

1 answer:

AnnyKZ [126]3 years ago

6 0

Answer:

Step-by-step explanation:

The equation is y=3/5x-2, attached is the graph

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An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 130lb and 1

Vlad [161]

Answer: 0.4758

Step-by-step explanation:

Given : Mean : $\mu=137\text{ lb}$

Standard deviation : $\sigma =28.9\text{ lb}$

Also, the new population of pilots has normally distributed .

The formula to calculate the z-score :-

$z=\dfrac{x-\mu}{\sigma}$

For x=130 lb .

$z=\dfrac{130-137}{28.9}=-0.2422145\approx-0.24$

For x=171lb.

$z=\dfrac{171-137}{28.9}=1.1764705\approx1.18$

The p-value = $P(-0.24$

$=0.8809999-0.4051651=0.4758348\approx0.4758348\approx0.4758$

Hence, the required probability : 0.4758

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3 years ago

Evaluate the expression when b=-7 and y=7 b-4y

Bess [88]

$b = - 7 \: y = 7$

$b - 4y$

$( - 7) - 4(7)$

$- 7 - 28$

$= - 35$

3 0

3 years ago

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4. Which property is illustrated by the statement? 8(-5/6)=(-5/6)8

SCORPION-xisa [38]

4. is B
and 5. is also B

7 0

3 years ago

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What is the value of the expression? −5/12+7/34

seraphim [82]

-43/204

Step-by-step explanation:

−5/12 × 17/17 + 7/34 × 6/6 =

= −85/204 + 42/204

= −85 + 42/204

= −43/204

4 0

2 years ago

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What is the solution to this equation? (1/4)x+1 =32 A. -7/2 B. -2 C. 3/2 D. 2

ANEK [815]

(1/4)x+1=32
(1/4)x=31
X=31*4
X=124

7 0

2 years ago