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weqwewe [10]
3 years ago
7

What is 30 times ten

Mathematics
2 answers:
Bess [88]3 years ago
8 0

Answer:

30x10=300

sorry if im wrong-

Sveta_85 [38]3 years ago
3 0

Answer:

300

Step-by-step explanation:

every time you're multiplying ten just add a zero at the end of the number your multiplying.

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If f(3) = 3(x+5+2, what is f(a+ 2)?
Mamont248 [21]

Solution:

f(3) = 3(x + 5 + 2)

f(3) = 3(3 + 5 + 2)

f(3) = 3(10)

f(3) = 30

Substitute 30 for a:

f(30 + 2)

f(32)

Best of Luck!

8 0
3 years ago
**A rock dropped from a 100 foot tower.
mars1129 [50]

Answer:

2.83 s

Step-by-step explanation:

We are given that

h(t)=-16t^2+10t+100

When a rock reached the ground then h(t)=0

-16t^2+10t+100=0

16t^2-10t-100=0

Using quadratic formula

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

t=\frac{10\pm\sqrt{(-10)^2-4\times 16\times (-100)}}{2(16)}

t=\frac{10\pm\sqrt{100+6400}}{32}

t=\frac{10+\sqrt{6500}}{32}=2.83

t=\frac{10-\sqrt{6500}}{32}=-2.2

Time cannot be negative .Therefore, negative value of t can not be possible.

Hence, the rock takes 2.83 sec to reach the ground.

8 0
3 years ago
Janice is standing 15m form the base of a building. From the point where she is standing, the angle of elevation of the top of t
Alenkasestr [34]

Answer:

the building is 28m

Step-by-step explanation:

3 0
3 years ago
What is the slope-intercept form of the line with the point (0, 3) and a slope = -2?
adelina 88 [10]

Answer:

2nd choice OC.y=-2x+3

Step-by-step explanation:

The equation for the slope-intercept form is y=mx+b, where m is the slope and b is the y-intercept. With these two numbers both given to us, we can just plug them in and get y=-2x+3.

Hope this helps you

4 0
3 years ago
How to do 30(c) ??????
adelina 88 [10]

Answer:

A kite with a 100 foot-long string is caught in a tree. When the full length of the string is stretched in a straight line to the ground, it touches the ground a distance of 30 feet from the bottom of the tree. Find the measure of the angle between the kite string and the ground.

17°

27°

63°

73°

Step-by-step explanation:

3 0
3 years ago
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