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3 years ago

- 45/40 + 1.875 7th grade math class (khan academy) plz help I need to bring up my grade :)

Mathematics

1 answer:

Kruka [31]3 years ago

6 0

Answer:

0.75 in decimal form or 3/4 in fraction form.

: )

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3,619 people can fit in the auditorium for the concert. Twenty buses arrive with 68 people on each bus going into the auditorium

Sonja [21]

So 20x68 is 1360 so 3,619 -1,360 is 2,259 so 2,259 more people will be able to fit inside of the auditorium-hope this helped you

5 0

3 years ago

Helppppppp................

GarryVolchara [31]

16 hope this helps you

5 0

3 years ago

In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered

stealth61 [152]

Answer:

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

Step-by-step explanation:

Correct = +4

Incorrect = -3

1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

$4*12-3I=40\\I=\frac{8}{3}\\I=2.67$

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

$4*5-3I=-14\\I=\frac{34}{3}\\I=11.33$

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

4 0

3 years ago

Which symbol correctly compares the two angle measures? pi/4 radians_____30°

Thepotemich [5.8K]

Answer:

B. $\frac{\pi }{4} Rad>30^{0}$

Step-by-step explanation:

$\frac{\pi }{4} Rad=(180/4)^{0} =45^{0}$

Hope this helps

6 0

2 years ago

Given kite LNOM, what are the lengths of MX and XN ?

nasty-shy [4]

Answer:

Step-by-step explanation:

MX = XN

5r² + 2r + 52 = 4r² + 12r + 27

5r² - 4r² + 2r - 12r + 52 - 27 = 0

r² - 10r + 25 = 0

(r - 5)² = 0

r - 5 = 0

r = 5

4r² + 12r + 27

4•5² + 12•5 + 27

4•25 + 60 + 27

100 + 60 + 27

187

The Second one

I hope I helped you.

8 0

3 years ago