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Anit [1.1K]
3 years ago
9

What is 87.561 rounded to the tenths

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

Answer:

90

Step-by-step explanation:

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I need some help plz
scZoUnD [109]

Answer:

  one solution is (0, -2)

Step-by-step explanation:

The line y = -x is the boundary of the solution space of the first inequality. The less-than symbol (<) tells you that the line will be dashed and the shading will be below it. The line has a slope of -1 and goes through the y-intercept point (0, 0).

The line y = x - 2 is the boundary of the solution space for the second inequality. The less-than-or-equal-to symbol (≤) tells you the line will be solid (or equal to) and the shading will be below it (less than). The line has a slope of +1 and goes through the y-intercept point (0, -2).

The area of the graph where the shadings overlap is the solution space for the system of inequalities. Any point in that area will do, including points on the solid line where y < -x. (0, -2) is one such point.

3 0
3 years ago
A fruit company sells oranges for 32 cents a pound plus $7.50 per order for shipping. If an order is over 100 pounds, shipping c
Andre45 [30]

Answer:

I will tell you if you give me 5 stars and thanks.

Step-by-step explanation:

because I need it.

6 0
3 years ago
The edge of a cube is 4 inches. The area of a cross section perpendicular to one face is ___square inches, and its perimeter is_
diamong [38]
Try 8 and 12.......................................

3 0
3 years ago
Read 2 more answers
The height h in feet of a ball thrown vertically upward from the top of a 288-foot tall building is given by h=288+48t-16t^2 whe
mr Goodwill [35]

6 sec can take penny to strike the ground.

Solution:

Given data:

H_0=288 feet

V_0=48 feet

h(t)=288+48t-16t^2

Re-arrange the terms from greatest degree to smallest degree.

h(t)=-16t^2+48t+288

We can solve it by applying quadratic formula,

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

Here a = –16, b = 48, c = 288

$t=\frac{-48\pm \sqrt{48^2-4(-16)(288)}}{2(-16)}

$t=\frac{-48\pm \sqrt{2304+18432}}{-32}

$t=\frac{-48\pm \sqrt{20736}}{-32}

$t=\frac{-48\pm144}{-32}

Now, write find two t's using plus and minus operation.

$t=\frac{-48+144}{-32},\ \ t=\frac{-48-144}{-32}

$t=\frac{96}{-32},\ \ t=\frac{-192}{-32}

t = –3 (or)   t = 6

We cannot write time is negative. so neglect t = –3.

Therefore t = 6.

Hence 6 sec can take penny to strike the ground.

8 0
3 years ago
Pls solve fast ! I’m begging you ! The lesson is operations on functions
Oliga [24]

Step-by-step explanation:

1a. Just add both of them.

8x - 3 + 4x + 5 = 12x + 2

1b. We just subtract both of the functions.

(8x - 3) - (4x + 5) =

4x - 8

1c.

(8x - 3)(4x + 5)

32 {x}^{2}  + 28x - 15

1d.

\frac{8x - 3}{4x + 5}  = 2 - \frac{13}{4x + 5}

3 0
2 years ago
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