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3 years ago

In which quadrant is the point (5,-2) located?

Mathematics

1 answer:

nevsk [136]3 years ago

7 0

Quadrant Four (IV) since the x coordinate is a positive and the y coordinate is a negative.

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Write the given equation in standard form. −7x−5y=3

lina2011 [118]

Answer:

7x+5y=-3

Step-by-step explanation:

3 0

3 years ago

Find a,b such that 7.2, a, b, 3 are in A.P.

leonid [27]

Answer:

The value of a = 5.8

The value of b = 4.4

Step-by-step explanation:

Given

7.2, a, b, 3 are in A.P

$2a = 7.2+b$

$b = 2a - 7.2$

a, b, 3 are also in A.P

$2b\:=\:a\:+\:3$

Putting $b = 2a - 7.2$

$2\left(2a-7.2\right)=a+3$

$4a-14.4=a+3$

$\mathrm{Add\:}14.4\mathrm{\:to\:both\:sides}$

$4a-14.4+14.4=a+3+14.4$

$4a=a+17.4$

$4a-a=a+17.4-a$

$3a=17.4$

$\mathrm{Divide\:both\:sides\:by\:}3$

$\frac{3a}{3}=\frac{17.4}{3}$

$a=5.8$

Now, plugging $a=5.8$ in $b = 2a - 7.2$

$b=2\left(5.8\right)-7.2$

$b=2\cdot \:5.8-7.2$

$b=11.6-7.2$

$b=4.4$

Therefore,

The value of a = 5.8

The value of b = 4.4

4 0

3 years ago

A flagpole is 10 feet tall. It’s shadow is 12 feet long how far is it from the top of the flagpole to the end of its shadow?

Genrish500 [490]

Answer:

The shadow is 11 Ft. away from the pole base.

Step-by-step explanation:

I just usually do this trick in situations like these where if x equals 1, and y equals 2, then z is gonna be 3. 2 goes after 1, and 3 goes after 2. This trick can work in other counting-up situations like this, as long as the number go up, and are right next to each other.

7 0

3 years ago

Read 2 more answers

X/h + 1 = -2

Semenov [28]

Answer:

x = - 3h

Step-by-step explanation:

Given

$\frac{x}{h}$ + 1 = - 2 ( subtract 1 from both sides )