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4 years ago

If only of two parallel lines is perpendicular to another line the other of the two lines is ____to the third line

Mathematics

1 answer:

sergiy2304 [10]4 years ago

6 0

I think the answer is intersecting. Did you mean to type "are" instead of "is"?

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Multiplicative inverse of a neggative<br>rational number is

lions [1.4K]

$for \: a \: rational \: number \: \frac{a}{b} \: such \: that \: 0 > a \: \: \: \: \: \: 0 < b \\ its \: multiplicative \: inverse \: is \: - \frac{b}{a}$

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3 years ago

When the scale factor between two circles is “x” the scale factor between the 1_________________________is also “x” and the scal

Effectus [21]

Answer:

When the scale factor between two circles is “x” the scale factor between the radius is also “x” and the scale factor of the area is “x^2"

this is only one possible answer. For example, instead of radius, you could have put diameter or circumference.

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2 years ago

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator. 16 yr to 20 yr

Ugo [173]

4/5

just take 16/20 and divde both be 4

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3 years ago

**A rock dropped from a 100 foot tower.

mars1129 [50]

Answer:

2.83 s

Step-by-step explanation:

We are given that

$h(t)=-16t^2+10t+100$

When a rock reached the ground then h(t)=0

$-16t^2+10t+100=0$

$16t^2-10t-100=0$

Using quadratic formula

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$t=\frac{10\pm\sqrt{(-10)^2-4\times 16\times (-100)}}{2(16)}$

$t=\frac{10\pm\sqrt{100+6400}}{32}$

$t=\frac{10+\sqrt{6500}}{32}=2.83$

$t=\frac{10-\sqrt{6500}}{32}=-2.2$

Time cannot be negative .Therefore, negative value of t can not be possible.

Hence, the rock takes 2.83 sec to reach the ground.

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4 years ago

–q + 23 + 11n + 7j + 20 – 13r<br> What are the coefficient in this expression

kobusy [5.1K]

Answer:

11,7,13

Step-by-step explanation:

coefficients come before the variable. so if it’s 13r, the variable is r. which makes the coefficient 13

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4 years ago