3 years ago

What is 100/45 in a mixed number

Mathematics

1 answer:

Vedmedyk [2.9K]3 years ago

6 0

100/45 = 2.2222222

so it is

2 10/45

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Fill in the blank space<br> z2 + 5z – 36 = (z – 4)(z +_)

labwork [276]

Answer=9

To solve this, we just have to find a number that, when added to -4, make a total of 5, and when multiplied by -4 make a total of -36.

x+-4=5

x*-4=-36

9 fits the parameters for both of these

9+-4=9
9-4=5
5=5

9*-4=36
36=36

8 0

4 years ago

Find the equation of the line that is perpendicular to y = 2x + 8

Natasha2012 [34]

Answer:

$\boxed {\boxed {\sf B. \ y= - \frac{1}{2} x-4}}$

Step-by-step explanation:

We are given the line y=2x+8. It is in slope-intercept form or y= mx+b, where m is the slope and b is the y-intercept.

The slope of the line is 2.

We want to find the equation that is perpendicular. Perpendicular lines have negative reciprocal slopes.

1. Negate

Negate the slope, or switch the sign
(+) 2 --> -2

2. Reciprocal

Flip the numerator and denominator of the slope.

-2/1 --> -1/2

The perpendicular slope is -1/2, so the correct equation must be B.

6 0

3 years ago

a tree was 62 inches tall. Three years later, it was 101 inches tall. What was the percent increase, to the nearest hundredth, o

nignag [31]

Answer:

63% increase.

Step-by-step explanation:

You don't really need to do anything because it's probably a 63% increase as 101 is close to 100 already. If you'd like:

$\frac{101-62}{62} *100=$

$\frac{39}{62} *100=$

$62.903225806451612903225806451613$ ≈

63%

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3 years ago

A telephone technician charged $40.00 per hour plus a $45.00 service charge. Your fathers firm hires him to hook up his company'

dexar [7]

40*4.5 +45= 225

If the service fee is not relavent to time based on my understanding.

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4 years ago

In Chad's reading class, all the students are reading the same book. The school bought each student a book at $7 per book. If th

Molodets [167]

It would be A. 7(30) - 7(7)

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3 years ago

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