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3 years ago

2.192 closer. To 0 ,1,2,3

Mathematics

2 answers:

slega [8]3 years ago

6 0

Closer to 2. If you round it, because the number after the 2 is less than 5 you round it down so it's closer to 2

Rashid [163]3 years ago

5 0

2.192 is closer to 2 because if you round the number to the tenths you will have 2.0.

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A test has twenty questions worth 100 points. The test consists of x true-false questions worth 4 points each and y multiple cho

kvv77 [185]

Answer:

Number of true-false questions =15

Number of multiple choice questions =5

Step-by-step explanation:

Number of true-false questions = $x$

Number of multiple choice questions = $y$

Total number of question = $x+y=20$

Points for true-false questions = 4

Total points for true-false questions = $4\times x =4x$

Points for multiple choice questions = 8

Total points for multiple choice questions = $8\times y =8y$

Total points of the test = $4x+8y=100$

We have 2 equations now:

(1) $x+y=20$

(2) $4x+8y=100$

We need to solve the 2 equations to find $x$ and $y$ .

Dividing equation 2 by 4.

$\frac{4x+8y}{4}=\frac{100}{4}$

(2a) $x+2y=25$

Multiplying equation (2a) with (-1)

$-1(x+2y)=25\times (-1)$

(2b) $-x-2y=-25$

Adding equation (2a) with equation (1).

$x+y=20$

$-x-2y=-25$

$-y=-5$

$y=5$ [ Divided both sides by -1]

Substituting value of $y$ in equation (1).

$x+5=20$

Subtracting both sides by 5.

$x+5-5=20-5$

$x=15$

∴ $x=15 \ and\ y=5$

Number of true-false questions =15

Number of multiple choice questions =5

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4 years ago

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alexandr402 [8]

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3 years ago

Geometry. Need help on how to solve G and H

andriy [413]

Answer:

G) tan 60 = opp / adj = 30 / x

which equals

1.7321 = 30 / x

x = 30 / 1.7321

x = 17.3200161653

H) secant = hyp / adj

secant 30 = 16 / x

1.1547 = 16 / x

x = 16 / 1.1547

x = 13.8564

Here's a good site for trig functions : http://www.1728.org/trigcalc.htm

Step-by-step explanation:

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Elanso [62]

Answer:

The expression of (5)(x+3)(y+3) is a binomial

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Wyatt estimates that it will cost $425,000 to send his daughter to a private college in 18

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Interest = p times R times T

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