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2 years ago

Write your answer as a while number

Mathematics

1 answer:

rusak2 [61]2 years ago

6 0

Answer:

10 is your answer

Step-by-step explanation:

2×15/3

= 10

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Find the a26 arithmetic sequence: -15,-35,-55,-75 -515 460 -490

Vlad [161]

Step-by-step explanation:

<h3>QUESTION:-</h3>

Find 26th term of the A.P --15,-35,-55,-75...

<h3>Solution:-</h3>

First term=a=-15

Common Difference=d=-20

We know that

$\boxed{\sf a_n=a+(n-1)d}$

$\\ \:\:\:\:\sf {:}\dashrightarrow a_{26}=-15+(26-1)(-20)$

$\\ \:\:\:\:\sf {:}\dashrightarrow a_{26}=-15+25(-20)$

$\\ \:\:\:\:\sf {:}\dashrightarrow a_{26}=-15+(-500)$

$\\ \:\:\:\:\sf {:}\dashrightarrow a_{26}=-15-500$

$\\ \:\:\:\:\sf {:}\dashrightarrow {\boxed{\bf a_{26}=-515}}$

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3 years ago

What are the x-intercepts of the graph of y

zysi [14]

JLSLDKSKDDODODKDKDMXMXMDMDDKD

7 0

3 years ago

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A girl is on a train that is headed East at 100 miles per hour. The girl is walking at 5 miles per hour

nata0808 [166]

Answer: The speed is 105 miles/ hr and the direction of the train would be East if the girl is the frame of reference.

Step-by-step explanation:

Since we have given that

Speed of train = 100 miles per hour

Speed of girl = 5 miles per hour

Since the girl is moving towards the back of train.

So,it means train and girl are moving in opposite direction.

So, Relative speed would be

$100+5=105\ miles/hr$

Hence, the speed is 105 miles/ hr and the direction of the train would be East if the girl is the frame of reference.

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3 years ago

A pilot of a helicopter plans to release a bucket of water on a forest fire. The height y in feet of water t seconds after its r

frosja888 [35]

You’re gonna have to use the quadratic formula here and a bit of thinking. We know y is height, and once it touches the ground, it will be 0.

(-b +- sqrt b^2 - 4ac)/2a
2 +- sqrt(4 + 48(400))/-32
(2 +- 138.58)/-32
We don’t want a negative time because it’ll make no sense. So do subtraction

(2-138.58)/-32 = 4.27 seconds aka 4.3 seconds

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3 years ago

Delia worked 45 minutes on her oil painting.She took a break at 10:35 a.m.At what time did Delia start working on her painting

rjkz [21]

Um i think it would be 9:55

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3 years ago

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