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Ann [662]
4 years ago
6

Please help me :( thank uuuu

Mathematics
1 answer:
scoray [572]4 years ago
6 0

Answer:

A

Step-by-step explanation:

Neptune Diameter = 5x10^4 = 50,000km

Mars Diameter = 7x10^3 = 7,000km

Neptune diameter = 50/7 = more than 7 times greater

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What numbers multiply to -30 and add to -3
krek1111 [17]
Let the numbers be x and y.  Then xy = -30 and  x+y = -3.

Solve xy = -30 for y:    y = -30/x

subst. -30/x for y in   x+y= -3:     x  -  30/x = -3

Multiply all 3 terms by x:  x^2 - 30 = -3x, so   x^2 + 3x - 10 = 0

Solve this quadratic equation for x.     x: {-5, 2}

If x = -5, then   x+y = -3 becomes -5 + y = -3, and y = 2.

You should check to determine whether x=2 is also correct.  If it is, what is the corresponding y value?
3 0
4 years ago
A= 1/2 h (a+b) solve for h
Valentin [98]
"<span>A= 1/2 h (a+b) solve for h"
</span>
bh + 1/2h
7 0
3 years ago
a car manufacturing company was able to release 1860 units at the end of january based on records they were able to increase the
saw5 [17]

Answer:

11th month which is November

Step-by-step explanation:

1860 + 45(m - 1) = 2310

1860 + 45m - 45 = 2310

1815 + 45m = 2310

45m = 495

m = 11

8 0
4 years ago
The diagram shows the net of a juice box. The box is a rectangular prism.
Hoochie [10]

Answer:

269.6 square centimeters

Step-by-step explanation:

<u><em>The correct question is</em></u>

The diagram shows the net of a juice box. the box is a rectangular prism. what is the surface area of the juice box? 6.4 cm 4 cm 10.5 cm

we know that

The surface area of a rectangular prism is equal to

SA=2B+PH

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

we have

L=6.4\ cm\\W=4\ cm\\H=10.5\ cm

<em>Find the area of the base B</em>

B=LW

substitute the given values

B=(6.4)(4)=25.6\ cm^2

<em>Find the perimeter of the base P</em>

P=2(L+W)

substitute the given values

P=2(6.4+4)=20.8\ cm

<em>Find the surface area</em>

SA=2B+PH

substitute  

SA=2(25.6)+(20.8)10.5=269.6\ cm^2

6 0
3 years ago
5/8 + -3/4 i don’t know this
Deffense [45]

Answer:

-0.125

Step-by-step explanation:

6 0
4 years ago
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