2 years ago

Help!!! algebra test - exam

Mathematics

2 answers:

Flauer [41]2 years ago

7 0

Answer:

We cant see the pic

Step-by-step explanation:

aleksandr82 [10.1K]2 years ago

4 0

I can’t see the picture I’m sorry

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An acorn falls from the branch of a tree to the ground 25 feet below. The distance, S, that the acorn is from the ground as it f

Hunter-Best [27]

Answer:

$0$

Step-by-step explanation:

We are given that,

The fall of the acorn is represented by the function,

$S(t) =-16t^2+25$

Equating S(t) to 0 gives,

$0=-16t^2+25$

i.e. $16^2=25$

i.e. $t^{2}=\frac{25}{16}$

i.e. $t=\pm \frac{5}{4}$

Since, time cannot be negative.

So, $t=\frac{5}{4}$ i.e. 1.25 seconds is the time when the acorn will reach the ground.

Thus, from the figure below, we see that,

The interval in which the acorn is in the moving air is $0$ .

7 0

3 years ago

Read 2 more answers

Which of the following is an arithmetic sequence?

Anna71 [15]

Here is your answer

A. 1,3,5,7,9,11,.....

REASON :

In an AP their is a common difference between two consecutive terms.

i.e. t2-t1=t3-t2=t4-t3=....= constant

The option A satisfies above condition.

HOPE IT IS USEFUL

5 0

2 years ago

Use the table to complete the statements. The x-intercepts shown in the table are and . The y-intercept shown in the table is

sukhopar [10]

Answer:

The x- intercepts shown in the table are (-2,0) and (2,0)

The y- intercept shown in the table is (0,-4)

4 0

2 years ago

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If p is false, q is true, and r is true, why is the value of (p v ~q) v r

pychu [463]

$q=T\implies \neg q=F$

$p=F\,\land\,\neg q=F\implies p\,\lor\,\neg q=F$

$r=T\implies (p\,\lor\,\neg q)\,\lor\,r=T$

3 0

3 years ago

What is this question in simplified form

EastWind [94]

Answer: -77 $\sqrt{30}$

Step-by-step explanation:

(-7(3)^1/2)(11(10)^1/2)=

-7*11*(3)^1/2 * (10)^1/2=

-77*(3*10)^1/2=

-77(30)^1/2=-77 $\sqrt{30}$

6 0

1 year ago