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3 years ago

Need help with this fast I think it’s d but it might be a.

Mathematics

1 answer:

d1i1m1o1n [39]3 years ago

7 0

Answer:

Always go with your gut it is D! :)

Step-by-step explanation:

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1x10 to the fifth power over 4x10 to the negative faith power given on scientific notation

MissTica

Answer:

$2.5*10^{8}$

Step-by-step explanation:

<u><em>The correct question is</em></u>

1x10 to the fifth power over 4x10 to the negative fourth power given on scientific notation

we know that

To divide two numbers in scientific notation, divide their coefficients and subtract their exponents.

we have

$\frac{1*10^{5}}{4*10^{-4}}=(\frac{1}{4})*10^{5+4} =0.25*10^{9}= 2.5*10^{8}$

8 0

3 years ago

at a small school, one male and one female are selected to represent the student body at the PTSCA meetings. if there are 41 mal

I am Lyosha [343]

It is given that there are 41 males and 48 females in the small school.

So, the number of ways a male student can be chosen from 41 males is $^{41}C_1$

Likewise, the number of ways a female student can be chosen from 48 females is $^{48}C_1$ .

Thus, the total number of ways in which 2-person combinations are possible to represent the student body at the PTSAC meetings will be given by:

$^{41}C_1\times ^{48}C_1=1968$

7 0

3 years ago

Guys, help me out, please.

goldfiish [28.3K]

Answer:

Step-by-step explanation:

Given

$\frac{28}{3+4}$ ← evaluate the denominator

= $\frac{28}{7}$ ← perform the division

= 4

7 0

3 years ago

PLS HELP 55 POINTS PLSS NO LINKS PLS HELPP

Semenov [28]

Answer:

12. 114 Laps

13. 234 students don't ride the bus.

14. 1.5% of 26,500.60 is 397.50 so the answer is $26,500.60

15. 24% × 63.4 = 15.2 so the original weight of the bag is 63.4 pounds

Step-by-step explanation:

4 0

2 years ago

Write the equation of a line that passes the point (-6,9)and is perpendicular to a line that passes through the points (-2,1) an

stepladder [879]

Answer:

y = 4/3x + 1.

Step-by-step explanation:

The equation of the lines passing through (2,1) and (6,7) is:

y - 7 = (7-1)/(6- -2)(x - 6)

y - 7 = 6/8(x - 6)

y = 3/4(x - 6) + 7

y = 3/4x + 5/2.

So the line perpendicular to it has slope -1/3/4 = -4/3:

y - 9 = -4/3(x + 6)

y = -4/3 x - 8 + 9

y = 4/3x + 1.

6 0

3 years ago