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Ulleksa [173]
3 years ago
6

The height h of an object projected upward from the floor of the Golden Gate Bridge which has an initial height of 220 feet and

with an initial velocity of 30 feet per second is given by h=-16t^2+30t+220. How many seconds later will the rock hit the water? Round to the nearest tenth. Please help ASAP!!! :(
Mathematics
2 answers:
Cloud [144]3 years ago
8 0

Answer:

7.3

Step-by-step explanation:

time is distance divided by velocity/speed

t = 220/30

t = 7.33333 = 7.3

Natali [406]3 years ago
8 0
I,bbregrggkengnergtgtgtegtg gtg
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From a set of 27 ​marbles, 4 white​, 12 black​, and 11 green​, we choose one at random. What are the odds in favor of choosing a
garik1379 [7]

Answer:

4/27 chance of getting a white marble.

Step-by-step explanation:

There are 4 white marbles but there are 27 marbles in total. If you wanted a percentage, then divide 4 by 27 and place the decimal two places to the right once you founded your answer.

(sorry if it's a bad explanation)

6 0
3 years ago
What's the answer for 4d - 35= -3
Ket [755]

Answer:

The answer is <u>8</u>.

Step-by-step explanation:

Given:

4d - 35= -3.

Now, the solution:

4d-35=-3

Adding both sides by 35 we get:

4d=-3+35

4d=32

Dividing both sides by 4 we get:

d=8

Therefore, the answer is 8.

3 0
3 years ago
Please help me with this! I will rate you brainliest!!
lesya [120]

do 6x8.(theres two x's and two y's)

3 0
3 years ago
Read 2 more answers
A pair of vertical angles may also form a linear pair true or false
AVprozaik [17]
This statement is obviously FALSE because the vertical angles are congruent, whatever is the measure of one the two angle, but the linear pair is two angles that lie next to each other and their measures add up to 180 degrees. The linear pair is also a pair of adjacent angles formed by intersecting lines.
8 0
3 years ago
A line goes through the points (4,16) Ana (7,19). Write a linear function rule in terms of x and y for this line
Eva8 [605]

Linear function rule in terms of x and y for this line is y = x + 12

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

Given that a line goes through the points (4, 16) and (7, 19)

To find: linear function rule in terms of x and y for this line

A linear function is a function of the form f(x) = ax + b, where a and b are real numbers. Here, a represents the slope of the line, and b represents the y-axis intercept

<em><u>The slope intercept form is given as:</u></em>

y = mx + c

Where "m" is the slope of line and "c" is the y - intercept

Let us first find slope of line

<em><u>The slope "m" of a line is given as:</u></em>

m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

\text {Here } x_{1}=4 \text { and } x_{2}=7 \text { and } y_{1}=16 \text { and } y_{2}=19

m=\frac{19-16}{7-4}=\frac{3}{3}=1

Thus the slope of line is 1

Substitute m = 1 and (x, y) = (4, 16) in y = mx + c

16 = 1(4) + c

c = 16 - 4 = 12

Substitute c = 12 and m = 1 in slope intercept form

y = 1x + 12

y = x + 12 is the required linear function rule

6 0
3 years ago
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