3 years ago

Ugriuhgi5ughoiruhr PLEASE HELP 10 POINTS!

Mathematics

1 answer:

Sholpan [36]3 years ago

6 0

Answer:

A = 6

B = 6

C = 7

D = 4

Step-by-step explanation:

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Use the formula d =rt to find the distance d a long distance runner can run at a rate r of 9 1/2 miles per hour for time t of 1

shtirl [24]

D=rt
So you're going to plug in the values listed: r= 9 1/2 and t=1 3/4

This will give you:
d=(9.5)(1.75)

Then you solve:
d=16.625

You should probably convert that decimal answer into a fraction since you're question gave it to you as a fraction.

3 0

3 years ago

Z2 + (2j – 3)z + (5 – j) = 0

BARSIC [14]

Answer:

2z+(2j-3)z+(5-j)=0

2z +2jz-3z+5-j=0

2z-3z+2jz-j=-5

-z+2jz-j=-5

2jz-z-j=-5

I hope this help

4 0

3 years ago

Find the inverse of the following function. f(x) =^3squareroot x + 12<br><br> I NEED AN ANSWER NOWW

makkiz [27]

Answer:

(x - 12)²/9

Step-by-step explanation:

y = 3sqr(x) + 12

Make x the subject:

y - 12 = 3sqrt(x)

(y - 12)/3 = sqrt(x)

Square both sides

(y - 12)²/9 = x

Interswitch variables

inverse function is:

(x - 12)²/9

If f(x) = (x + 12)^⅓

Then,

y = (x + 12)⅓

y³ = x + 12

y³ - 12 = x

f inverse:

x³ - 12

3 0

3 years ago

Read 2 more answers

Lockheed Martin, the defense contractor designs and build communication satellite systems to be used by the U.S. military. Becau

Ray Of Light [21]

Answer:

p(on schedule) ≈ 0.7755

Step-by-step explanation:

A suitable probability calculator can show you this answer.

_____

The z-values corresponding to the build time limits are ...

z = (37.5 -45)/6.75 ≈ -1.1111

z = (54 -45)/6.75 ≈ 1.3333

You can look these up in a suitable CDF table and find the difference between the values you find. That will be about ...

0.90879 -0.13326 = 0.77553

The probability assembly will stay on schedule is about 78%.

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3 years ago

The age that women in Virginia decide to get married for the first time is normally distributed with an average of 26.3 years an

Nuetrik [128]

Answer:

The answer is 0.9789 approximately equal to 0.9790

Step-by-step explanation:

See the attached files for the details, hope it is clearly understood.

Download pdf

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3 years ago