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Goshia [24]
3 years ago
7

Please help. What's the answer???

Mathematics
1 answer:
valentinak56 [21]3 years ago
6 0
I believe it is c. e. and f.
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Which is the standard form for this number?
netineya [11]

Step-by-step explanation:

To make it easy to read very large and small numbers, we write them in standard form. Any number that we can write as a decimal number, between 1.0 and 10.0, multiplied by a power of 10, is said to be in standard form. 1.98 ✕ 10¹³; 0.76 ✕ 10¹³ are examples of numbers in standard form.

3 0
3 years ago
The football coach threw a football from a platform to his
lisabon 2012 [21]

Answer:

1)27.25 feet

2)-0.2774,2.027

3)Domain = All real numbers

Range = y∈R : y \leq \frac{109}{4}

Step-by-step explanation:

The height of the football, h, at time t seconds is modeled by the equation h(t) = -16t^2 + 28t + 15

General quadratic equation : ax^2=bx+c=0

1) Maximum height will be at \frac{-b}{2a}=\frac{-28}{2(-16)}=\frac{7}{8}

To find maximum height Substitute t = \frac{7}{8} in the given equation

h(t)=-16(\frac{7}{8})^2+28(\frac{7}{8})+15\\h(t)=27.25 feet

2)

Substitute h(t)=6

So, -16t^2+28t+15=6

-16t^2+28t+9=0\\t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\t=\frac{-28\pm \sqrt{28^2-4(-16)(9)}}{2(-16)}\\t=\frac{-28+ \sqrt{28^2-4(-16)(9)}}{2(-16)},\frac{-28- \sqrt{28^2-4(-16)(9)}}{2(-16)}\\t=-0.2774,2.027

3)

Domain = All real numbers

Range = y∈R : y \leq \frac{109}{4}

7 0
3 years ago
HELPP NEEDED ASAP PLEASE.
alex41 [277]

Answer:

The maximum number of people that can be in the Trumpington marching band is 940 people

Step-by-step explanation:

The number of members = 20·n

The number per row = 26

The number left = 4

Therefore, we have;

If there are x rows of 26, we have;

26 × x = 20·n - 4

We have;

26 × x < 996

26 × x < 20·n

20·n < 996 therefore, 20·n ≤ 980

We check that 980/26 = 37  and some fractions

26 × 37 = 962 which will leave a remainder of 2

Therefore, we note that for 26 to have a remainder of 4, the last digit of the factor x must be 6 so has to get the last digit of the product 26 × x to be 6 while the digit of the product 20×n  is 0 which will live 4 members out to get to the next 10 as follows;

26 × 36 = 936 while 20 × 47 = 940

We get 940 - 936 = 4 members

Therefore, the maximum number of people that can be in the Trumpington marching band = 940.

6 0
3 years ago
What is the value of n in the equation below?
Sliva [168]

Answer:

It's 9

Step-by-step explanation:

I just took the test and got it right.

5 0
3 years ago
Read 2 more answers
Help??????????????????????
OverLord2011 [107]

Answer:

Step-by-step explanation:

Event space for getting sum 5  = {(1,4) , (2,3), (3,2), (4,1)}

There are 4 elements

8 0
3 years ago
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