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jek_recluse [69]
3 years ago
15

Please help , giving brainliest and a thanks!!

Mathematics
2 answers:
pashok25 [27]3 years ago
7 0

Answer:

E

Step-by-step explanation:

When the absolute value of a number is trying to be found, you take the number inside and if its a negative it turns to a positive and if its a positive inside then it stays the same.

Ghella [55]3 years ago
4 0

Answer:

BDE, absolute value is how far away it is from 0 so it is BD and E

Step-by-step explanation:

It says select all that apply aswell which is why there is more then one answer

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Maria's height while jumping on a a trampoline can be modeled by the equation h=-16t^2+18t+5. Where t=time in seconds and h=heig
Vadim26 [7]

Answer:

10.06 ft

Step-by-step explanation:

Maria's maximum height will occur when her velocity reaches zero (0). This means that she has stopped ascending and is about to begin descent.

The equation for the height reached by Maria on the trampoline is given as:

h=-16t^2+18t+5

To find her maximum height, we first have to find the time it will take her to get to that height and corresponding velocity (zero).

Her velocity can be found by differentiating her height i.e. dh/dt:

v = \frac{dh}{dt} = -32t + 18

Therefore, when v = 0:

0 = -32t+ 18\\\\=> 32t= 18\\\\t = 18 / 32 = 0.5625 secs

It takes her 0.5625 seconds to get to her maximum height.

Therefore, her height at that time (0.5625 seconds) is:

h=-16(0.5625)^2+18(0.5625)+5\\\\h = -16 * (0.3164) + 10.125+5\\\\h = -5.0624 + 15.125\\\\h = 10.06 ft

Therefore, her maximum height is 10.06 ft.

3 0
3 years ago
15 is what percent of 90?​
Alika [10]
15 is 16.66666 percent of 90.
7 0
3 years ago
Read 2 more answers
Evan has a gift card with a balance of $345.09. He used the card to buy a shirt for $17.97.
Jlenok [28]

when he bought the shirt it brought his card balance to $327.12 and then he split the remaining balance with is brother Jack so you would divide $327.12/2 which is $163.56, so they both got $163.56 after he splits

6 0
2 years ago
Help help math math math math
Kryger [21]

Answer:

C. -3/7

Step-by-step explanation:

Irrational numbers: cannot be written as a fraction

Rational numbers: can be written as a fraction

The only option that contains a fraction, is C

Hope this helps!

7 0
2 years ago
Read 2 more answers
Simplify [view attached image]
pav-90 [236]

<u>Given</u>:

The given expression is (\sqrt{5})( \sqrt[3]{5})

We need to simplify the given expression.

<u>Simplification</u>:

Let us simplify the given expression.

Rewriting the given expression, we have;

5^{\frac{1}{2}} \cdot 5^{\frac{1}{3}}

Let us apply the exponent rule \:a^b\cdot \:a^c=a^{b+c}, we get;

5^{\frac{1}{2}+\frac{1}{3}}

Taking LCM, we have;

5^{\frac{3+2}{6}}

Simplifying, we get;

5^{\frac{5}{6}}

Thus, the simplified value of the given expression is 5^{\frac{5}{6}}

Hence, Option a is the correct answer.

6 0
3 years ago
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